Purdue Extension

Crops - Greenhouse and Indoor Production

alternate text here Product Code: HO-330-W
This publication provides abundant, detailed guidance on scheduling vegetable crops for winter high tunnel production. It includes a fillable scheduling form, a planting date scheduling guide, two scenarios with revenue  More...
Free Download
alternate text here Product Code: HO-203-W
Cold weather can injure fruit and vegetable crops, and ornamental plants, in fall, winter, and spring. This updated publication identifies types of injury, factors that influence the degree of injury, and steps that can  More...
Free Download
alternate text here Product Code: HO-327-W
Most greenhouses in the Midwest require temperature control. In this publication, a Purdue University researcher discusses several ways to cool and heat greenhouses. For additional information, see HO-308-W, Heating Requ  More...
Free Download
alternate text here Product Code: HO-322-W
Can fertilizer electrical conductivity (EC) measurements substitute for substrate EC measurements? To find out, two Purdue University researchers experimented with four petunia varieties for a publication that is part of  More...
Free Download
alternate text here Product Code: HO-318-W
This publication introduces smart sensing techniques for protected horticulture systems using a smartphone to help monitor several plant traits. After growers capture plant images with the smartphone camera and send imag  More...
Free Download
alternate text here Product Code: HO-313-W
Early-flowering varieties of petunia may have different fertilizer needs than late-flowering varieties. However, fertilizer recommendations are usually not variety-specific. This fact sheet provides information on the op  More...
Free Download
alternate text here Product Code: HO-310-W
Consumer demand for locally grown and fresh, leafy greens is rising. Not much is known about how individual varieties perform in hydroponic culture. 24 varieties from Romaine, Leaf, Oakleaf, and Head types were grown in  More...
Free Download
alternate text here Product Code: HO-309-W
Growth rates differ for lettuce varieties grown in the Midwest. By comparing several varieties and types under different fertilizer concentrations using NFT and CFT production systems, we provide growers with fertilizer  More...
Free Download
alternate text here Product Code: HO-311-W
Greenhouse hydroponics allow for year-round production of lettuce and other leafy greens, but heating can be expensive. Cold tolerance was tested for 24 varieties and found that air temperatures of 60 degrees Fahrenheit  More...
Free Download
alternate text here Product Code: HO-314-W
In this publication, a Purdue University researcher discusses ways to slow plant growth - a major concern for greenhouse owners during the COVID-19 pandemic. Sales are down but ornamental plants continue to grow. It's im  More...
Free Download
alternate text here Product Code: HO-308-W

To produce hydroponically grow crops, such as lettuce, in greenhouses during Indiana winters, heating is required. However, the cost can be high. This publication helps greenhouse growers calculate whether the cost of  More...

Free Download
alternate text here Product Code: HO-283-W

This publication aims to provide information to growers about estimating the costs and benefits when they use supplemental lighting.

Format: PDF

Pages: 4

 More...

Free Download
alternate text here Product Code: HO-284-W

This publication summarizes how much additional fertilizer a crop needs under sub-irrigation when the growing medium contains  More...

Free Download
alternate text here Product Code: HO-285-W

This publication will help you accurately perform the pour-through technique for measuring substrate electrical conductivity (EC).

Format: PDF

Pages: 3

La  More...

Free Download
alternate text here Product Code: HO-286-W

This publication explains the details of substrate electrical conductivity (EC) for greenhouse growers.

Fo  More...

Free Download
alternate text here Product Code: HO-287-W

This publication details substrate characteristic s and provides research-based information about them as a reference to guide growers.

Format:  More...

Free Download
alternate text here Product Code: HO-282-W

This publication describes the importance of measuring plant light use, and then describes a study that offers some promise of  More...

Free Download

Other products

Agriculture

Community

Environment

Family, Food & Garden

Youth