Purdue Extension

Crops - Crop Management

alternate text here Product Code: BP-43-W
White mold, also called Sclerotinia stem rot, is considered a minor disease in Indiana, but can significantly damage fields throughout most of the northern states. It favors cool, wet conditions during early reproductive  More...
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alternate text here Product Code: BP-217-W
This report is a summary of applied field crop pathology research trials conducted in 2021 under the direction of the Purdue Field Crop Pathology program in the Department of Botany and Plant Pathology at Purdue Universi  More...
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alternate text here Product Code: ID-433
The third edition of this guide includes new photos, expanded information, and more. This popular pocket-size, in-field reference helps readers effectively select, grow, and use cover crops in their farming systems. It w  More...

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alternate text here Product Code: ID-433-25BX
This is a box of 25 copies of our popular in-field reference. The third edition of this guide includes new photos, expanded information, and more. This popular pocket-size, in-field reference helps readers effectively se  More...

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$135.00
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alternate text here Product Code: ID-527-W
This 9-page publication summarizes advice and themes from seven Indiana farmers involved in organic grain production. It looks at their five farm operations, which were at different points in the organic transition proce  More...
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alternate text here Product Code: ID-179

The 2022 edition of this pocket-size, in-field reference provides detailed and descriptive information for corn and soybean producers. This year's guide includes extensive changes to soil fertility recommendations bas  More...

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$10.00
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alternate text here Product Code: ID-179-25BX

This is a box of 25 copies of our popular in-field reference. The 2022 edition of this pocket-size, in-field reference provides detailed and descriptive information for corn and soybean producers. This year's guide in  More...

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$225.00
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alternate text here Product Code: ABE-163-W
Drainage water recycling is a practice of capturing and storing agricultural surface and subsurface drainage water in a reservoir, and then reusing that water as supplemental irrigation. This innovative approach to drain  More...
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alternate text here Product Code: ID-516
This fully illustrated publication is a resource for identifying weeds and understanding herbicide injury to crops. It provides photos and identification tips for 50 weed species found in Midwest agronomic production sys  More...

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alternate text here Product Code: ID-516-25BX
This is a box of 25 copies of the guide. This fully illustrated publication is a resource for identifying weeds and understanding herbicide injury to crops. It provides photos and identification tips for 50 weed species  More...

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$225.00
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alternate text here Product Code: BP-160-W
This publication provides a table that includes the most widely marketed fungicide products to control common diseases in corn. It was updated in January 2021.  More...
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alternate text here Product Code: ID-56

Eight Midwestern states cooperate in the production of this annually updated guide. It includes production information such as vegetable varieties, soils and fertility as well as recommendations for weed, insect and d  More...

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alternate text here Product Code: BP-163-W
This publication provides a table that includes the most widely marketed fungicide products to control common seedling diseases in soybean. It was updated in January 2021  More...
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alternate text here Product Code: BP-161-W
This publication provides a table that includes the most widely marketed fungicide products to control common foliar diseases in soybean. It was updated in February 2021.  More...
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alternate text here Product Code: BP-204-W

Phytophthora blight is perhaps the most serious disease of cucurbits in Indiana. This updated (2020) bulletin describes the disease cycle, symptoms and management of Phytophthora blight of cucurbits, which has charac  More...

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alternate text here Product Code: HO-312-W
Crop farmers who transition to certified organic grains report higher per-acre returns and enhanced economic stability. Organic production practices also support farmers' ability to manage excess nutrients, promote biolo  More...
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alternate text here Product Code: BP-205-W
This report is a summary of applied field crop pathology research trials conducted in 2019 under the direction of the Purdue Field Crop Pathology program in the Department of Botany and Plant Pathology at Purdue Universi  More...
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alternate text here Product Code: AY-374-W

Sensory analysis is one of two methods that producers use when buying appropriate hay to meet animal requirements in a cost-effective manner. A forage test is the other. In this paper, two Purdue University experts ex  More...

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alternate text here Product Code: AY-375-W

The tag, label or placard on a bag of seed allows consumers to make informed choices. In this publication, a Purdue University expert explains seed tags and the regulations that seek to assure consumers that what they  More...

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alternate text here Product Code: WS-56

This publication discusses and describes the differences between 2,4-D and dicamba symptomology on soybeans. The objective of this publication is to help farmers and Ag professionals to accurately diagnose herbicide o  More...

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$5.50
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alternate text here Product Code: PPP-126

This publication discusses and describes the differences between 2,4-D and dicamba symptomology on soybeans. The objective of this publication is to help farmers and Ag professionals to accurately diagnose herbicide o  More...

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$5.50
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alternate text here Product Code: HO-304-W

Domestic demand for organic grains exceeds production. A lack of available information on marketing opportunities, supply and demand volumes, and pricing information might deter some farmers from making the switch. Th  More...

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alternate text here Product Code: AS-654-WV

Making excellent quality hay is a process that requires proper use of the right harvest equipment at the right stage of forage growth. Doing this will minimize yield and quality losses so nutritional needs of livesto  More...

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alternate text here Product Code: AS-655-WV

To make excellent quality hay, the forage needs to be cut at the right growth stage and packaged into a bale at the right moisture content without incidence of rain damage. Baling hay too wet can result in mold format  More...

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alternate text here Product Code: BP-141-W

Fusarium wilt is one of the most serious watermelon diseases in Indiana. This publication describes the cycle and symptoms of Fusarium wilt and offers management recommendations  More...

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alternate text here Product Code: BP-140-W

Downy mildew causes a severe foliar disease of all cucurbit crops, which include cucumber, gourd, cantaloupe, squash, watermelon, and zucchini. However, in Indiana, downy mildew does not occur consistently each year.  More...

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alternate text here Product Code: WS-55

This publication describes some of the issues associated with dicamba applications and how growers can manage them.

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Pages: 4

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alternate text here Product Code: WS-16

This publication explains the importance of weed control and gives suggestions on herbicide management strategies for corn, soybeans, small grains, and forages. It also includes special sections on marestail, Palmer a  More...
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alternate text here Product Code: AY-364-W

In recent years, high-clearance fertilizer application equipment make it feasible to apply nitrogen (N) fertilizer to corn later in the growing season. This publication explores the potential uses of late-season N app  More...

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alternate text here Product Code: ID-179C-APP

This is the perfect in-field reference that takes the popular Corn and Soybean Field Guide to the next level. Purdue University specialists created this comprehensive, science-based app to help you effectively manage  More...
$5.99 at the App Store

alternate text here Product Code: ID-179S-APP

This is the perfect in-field reference that takes the popular Corn & Soybean Field Guide to the next level. Purdue University specialists created a comprehensive, science-based app to help you effectively manage soybe  More...
$5.99 at the App Store

alternate text here Product Code: ID-179C-APP-A

This is the perfect in-field reference that takes the popular Corn & Soybean Field Guide to the next level. Purdue University specialists created this comprehensive, science-based app to help you effectively manage co  More...
$5.99 at the App Store

alternate text here Product Code: ID-179S-APP-A

This is the perfect in-field reference that takes the popular Corn & Soybean Field Guide to the next level. Purdue University specialists created a comprehensive, science-based app to help you effectively manage soybe  More...
$5.99 at the App Store

alternate text here Product Code: POL-4

Although agronomic crops do not require pollinators to produce a crop, foraging bees are extremely likely to pass over or near agronomic crop fields in Indiana and states with similar cropping practices. As a result,  More...

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alternate text here Product Code: PPP-113

While agricultural pesticide applicators may not be able to control factors like habitat loss, they can take practical steps to help protect the pollinators so many in the agricultural industry rely upon. This publica  More...

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alternate text here Product Code: CSCAP-164-2015

This four-page fact sheet provides a summary of answers to two questions posed to farmers, about the need for government and/or farmers to take actions to reduce greenhouse gas emissions. The questions were a part of  More...

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alternate text here Product Code: CSCAP-165-2015

This four-page fact sheet provides a summary of answers to five questions posed to farmers, about climate change and its causes. The questions were a part of a USDA-NIFA-supported survey, conducted in 2012, of 4,778 f  More...

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alternate text here Product Code: CSCAP-179-2012

This fact sheet describes how economic factors from climate change can influence farm management. This publication, part of the Climate and Corn-based Cropping Systems Coordinated Agricultural Project (CSCAP), is ava  More...

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alternate text here Product Code: CSCAP-180-2015

This brief summarizes key results from a 2012 survey of 4,778 farmers in 11 Corn-belt states. Here, the focus is upon farmers' concerns about how climate change and variable weather might affect soil moisture and prec  More...

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alternate text here Product Code: CSCAP-181-2015

This brief summarizes key results from a 2012 survey of 4,778 farmers in 11 Corn-belt states. Here, the focus is upon farmers' concerns about drought- and heat-related threats to their farm operations. This publicatio  More...

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alternate text here Product Code: CSCAP-182-2015

This brief summarizes key results from a 2012 survey of 4,778 farmers in 11 Corn-belt states. Here, the focus is upon farmers' concerns about how climate change and variable weather might affect pests and disease and  More...

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alternate text here Product Code: CSCAP-184-2015

This second atlas (Volume 2) provides additional results from a 2012 survey of 4,778 farmers in 11 Corn-belt states. Here, the focus is upon farmers' specific behaviors, beliefs about climate and weather, and the tool  More...

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alternate text here Product Code: CSCAP-185-2015

A resource for farmers, teachers, and extension educators and agricultural advisors for understanding the benefits of building soil organic matter and how to build soil organic matter. This publication was written by  More...

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alternate text here Product Code: CSCAP-192-2016

This report describes lessons learned from social science research and the experiences of a team of university extension and outreach educators. The research and educators were a part of two USDA-NIFA climate projects  More...

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alternate text here Product Code: CSCAP-193-2016

Understand how climate change is impacting and will continue to impact the weather in the Corn Belt. Raymond Arritt's research encompasses mesoscale meteorology, regional climate, and aerobiology in the Departments of  More...

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alternate text here Product Code: SOC-1039

To develop a plan of work that responds to Midwest specialty crop needs, twenty-five specialty crop leaders, research and extension faculty participated in a planning process using a concept mapping methodology. The r  More...

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alternate text here Product Code: CSCAP-115-2012

This fact sheet describes how climate change is impacting plant diseases, pests, and weeds in corn-soybean systems in the Midwest. It can be used with a  More...

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alternate text here Product Code: CSCAP-120-2012

This fact sheet describes how carbon dioxide affects climate and can be used with a companion  More...

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alternate text here Product Code: CSCAP-121-2012

This fact sheet describes soil organic carbon and can be used with a companion video (availabl  More...

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alternate text here Product Code: CSCAP-123-2012

This fact sheet describes field-scale water balance and can be used with a companion video (availa  More...

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alternate text here Product Code: CSCAP-124-2012

This fact sheet describes using nitrogren sensing for precision application of nitrogen. It can be used with a  More...

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alternate text here Product Code: CSCAP-153-2013

A resource for extension educators, agricultural advisors and others, for understanding regional perspectives of corn-soybean farmers about climate change. Delineated by watershed, this collection of tables and maps p  More...

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alternate text here Product Code: CSCAP-159-2014

This publication for farmers, farm advisors and agricultural teachers contains articles about some of the findings of a USDA-NIFA-funded project researching ways to make corn-soybean systems more resilient to the impa  More...

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alternate text here Product Code: CSCAP-161-2014

This four-page fact sheet provides a summary of answers to four questions posed to farmers, about the need for farm-level adaptation to increased weather variability. The questions were a part of a USDA-NIFA-supported  More...

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alternate text here Product Code: CSCAP-163-2015

This four-page fact sheet provides a summary of answers to four questions posed to farmers, about the need for institutional support for adaptation to increased weather variability. The questions were a part of a USDA  More...

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alternate text here Product Code: CSCAP-114-2012
This fact sheet describes the benefits of no-tillage in a corn-soybean system and can be used with a  More...
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alternate text here Product Code: CSCAP-116-2012

This fact sheet describes soil diversity and variability and can be used with a  More...

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alternate text here Product Code: CSCAP-109-2012
This one-page publication is a great teaching resource about the nitrogen cycle and can be used with a  More...
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alternate text here Product Code: CSCAP-110-2012
This one-page publication is a great teaching resource for cover crops and can be used with a companion video  More...
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alternate text here Product Code: CSCAP-112-2012
This fact sheet describes some research findings about how farmer beliefs and perceptions about climate change influence on-farm decisions. It can be used with a <  More...
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alternate text here Product Code: CSCAP-113-2012
This fact sheet describes greenhouse gases in agricultural systems and can be used with a  More...
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alternate text here Product Code: WS-52-W
Annual ryegrass has become a popular cover crop choice for growers in Indiana and many other states. Unfortunately, its adaptability, quick establishment, and aggressive growth are also considered to be characteristics o  More...
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alternate text here Product Code: BP-33-W
In Indiana, Fusarium head blight of wheat (FHB), periodically causes significant yield loss and reduced grain quality. The disease also produces mycotoxins, which are chemicals that are toxic to humans and livestock. Thi  More...
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alternate text here Product Code: FNR-488-W

Because agriculture dominates the Midwestern landscape, it has a huge impact on environmental quality. Agricultural producers are often advised to adopt practices that help to reduce the impact of agriculture on the e  More...

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alternate text here Product Code: ID-179-APP
This is the iPad app version of the popular pocket-size guide. This comprehensive, science-based app provides a range of information to help you effectively manage corn and soybean production. If you have ever used the p  More...
$12.99 at the App Store
alternate text here Product Code: AS-611-W
Pricing silage crops can be much more challenging than pricing grains. This publication outlines methods for determining prices for various types of silage and includes a Web link to Purdue's Corn Silage Crop Calculator  More...
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alternate text here Product Code: ID-448
This pocket-size, in-field reference provides detailed and descriptive information for wheat producers. Topics include selecting varieties, harvest practices, insects, diseases, weeds, and fertility.

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alternate text here Product Code: ID-448-25BX
This pocket-size, in-field reference provides detailed and descriptive information for wheat producers. Topics include selecting varieties, harvest practices, insects, diseases, weeds, and fertility.

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$112.50
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alternate text here Product Code: WS-50-W
Many cover crop species have characteristics that make them both desirable as cover crops and troublesome weed species. Weedy cover crop escapes not only affect the current production crop, but also can produce seeds and  More...
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alternate text here Product Code: AY-335-W
For many years, N recommendations in the Midwest were based on achieving a specific corn yield goal (if you want so many bushels per acre, apply so much N). This began to change in 2006. As growers consider adopting thes  More...
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alternate text here Product Code: ID-422-W
Management decisions in wheat production are growth-stage dependent. Applications of fertilizers, herbicides, and fungicides are most effective and profitable when applied at specific times. This publication describes pr  More...
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alternate text here Product Code: SARE-02

Building Soils for Better Crops is a one–of–a–kind, practical guide to ecological soil management, now expanded and in full color. It provides step–by–step information on soil&ndas  More...

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$20.95
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alternate text here Product Code: AY-331-W
Fertilizing alfalfa with phosphorus (P) and potassium (K) can increase yield and the stand's longevity. However, to maximize production and profitability, it is important to adjust fertilizer rates to meet the specific n  More...
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alternate text here Product Code: OSU-926
This production guide is produced for the Midwest strawberry industry. Sections include management, economics, plasticulture production, and marketing.  More...

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$15.00
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alternate text here Product Code: AY-217-W
Seeding rate, plant population, and row spacing are tied together. If the population is too high, plants compete with each other and often lodge. If the population is too low, a producer is wasting growing space and lo  More...
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alternate text here Product Code: SPS-104-W
One of the most difficult early -season management questions that soybean growers ask is  More...
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alternate text here Product Code: AY-328
Grazing systems management is a combination of art and science. You will have to master the art as it relates to your farm, but this manual will get you started on the science. It outlines the basics of grazing systems  More...

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$7.50
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alternate text here Product Code: AY-329-W
This publication presents research that shows how plant height uniformity influences yield in continuous corn using conservation tillage systems. This publication discusses some real causes of yield loss in no-till corn  More...
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alternate text here Product Code: ID-336
4-page publication explaining the consequences of and compromises involved in planting more corn after corn for ethanol production.  More...
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alternate text here Product Code: ABE-126-W
This five-page publication explains that calibrating a soybean grain drill becomes more important as the cost of soybean seed increases. It cites other advantages of calibration, explains how to perform such a calibratio  More...
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alternate text here Product Code: SPS-100-W
Soybean relies on a specific species of bacteria, Bradyrhizobium japonicum, to fix atmospheric nitrogen. This publication explores how this symbiotic relationship works and how inoculating these microbes can affect soybe  More...
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alternate text here Product Code: AY-280-W
This guide is a planning tool to help producers develop a residue management program using selected tillage machines  More...
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alternate text here Product Code: AY-269-W
This publication shows corn and soybean producers who use conservation tillage methods how they can estimate and manage crop residue cover.  More...
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alternate text here Product Code: AY-315-W
Intercropping involves planting soybeans into standing wheat before wheat is harvested. This publication discusses best management practices for wheat that is for intercropping including variety selection, timing of pla  More...
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alternate text here Product Code: AY-316-W
Intercropping involves planting soybeans into standing wheat before wheat is harvested. This publication discusses best management practices for soybeans that are intercropped, including variety selection, seed coatings,  More...
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alternate text here Product Code: AY-244-W
Lists recommended varieties and discusses management steps needed to ensure adequate fertilization, proper seedbed preparation,and optimum stand establishment of wheat in Indiana.  More...
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alternate text here Product Code: AY-251-W
Discusses steps to successfully renovate pasture land to improve both forage yields and animal performance.  More...
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alternate text here Product Code: AY-253-W
The purpose of this publication is to simplify the process of forage selection for the producer by collecting all of the relevant information and presenting it in one place and in convenient form. The relative advanta  More...
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alternate text here Product Code: SSM-4-W
Fundamentals of the construction and function of spraying systems, from simple fixed-rate units to state-of-the-art variable-rate systems.  More...
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alternate text here Product Code: SSM-5-W
Fundamentals of the modulated spraying nozzle control (MSNC) system, a technology which can significantly improve the performance of both new and existing spraying equipment.  More...
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alternate text here Product Code: SSM-2-W
This publication discusses two different site-specific management approaches for the variable rate application of crop production inputs (i.e., fertilizer, pesticides, etc.) and the benefits of each.  More...
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alternate text here Product Code: E-216-W
This publication Information includes pollination procedures, pesticide recommendations and the duration of the toxic effects on bees.  More...
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alternate text here Product Code: AY-279-W
Earthworms are an important component of many healthy, productive soils; they improve soil porosity and tilth by their feeding, casting, and burrowing activity. Earthworms may be particularly important in no-till or othe  More...
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alternate text here Product Code: AY-98-W
Discusses the characteristics of tall fescue, its establishment, fertilization, maintenance, renovation and harvesting as pasture of hay.  More...
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alternate text here Product Code: NCH-36-W
This publication discusses why corn emerges unevenly, describes research that measured how much uneven emergence reduces corn yields, provides recommendations for managing uneven emerging stands, and gives suggestions  More...
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alternate text here Product Code: AY-252-W
Readers will discover how aerial photography can improve crop management in this publication. It also discusses problems detected, equipment needed, film and interpretation of photographs.  More...
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alternate text here Product Code: AY-263-W
This publication discusses the selection and management of emergency or supplemental forage crops.  More...
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alternate text here Product Code: AY-230-W
Discusses the effects of rotating crops on crop yields, soil fertility, insects, weeds, and diseases. Provides suggestions for making the right decisions under alternative tillage systems.  More...
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alternate text here Product Code: AY-218-W
Seed requirement table intended as a general guide to assure establishment of acceptance soybean populations.  More...
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alternate text here Product Code: AY-233-W
Discusses the characteristics of biennial sweetclovers, as well as variety selection and planting and fertilizing recommendations.  More...
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alternate text here Product Code: BP-216-W
This is a report summary of our 2020 applied field crop pathology research trials conducted in Indiana.  More...
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