Soil Fertility and Fertilizers

Vegetable Crops Hotline A newsletter for commercial vegetable growers prepared by the Purdue University Cooperative Extension Service

Soil Fertility and Fertilizers
Soil nutrients, plant nutrition, soil testing and sampling, soil acidity, soil organic matter, green manures and cover crops, animal manures, fertilizer recommendations, fertilizer materials, etc.

Survey of Watermelon Nutritional Status in Southern Indiana – Sulfur

October 19, 2020 - From Issue: 683

By: Wenjing Guan

Figure 2. Example of research plot design; ½ acres of watermelons within a 15-acre corn field.

Thanks to growers’ collaboration and help from Superior Ag, we collected plant tissue samples from 12 watermelon fields at different crop growing stages in Southern Indiana in the 2020 season.[Read More…]

Article Categories:

Cucurbits
- Watermelon

Article Tags:

Survey of Watermelon Nutritional Status in Southern Indiana — Magnesium and Potassium

September 17, 2020 - From Issue: 682

By: Wenjing Guan

Figure 1. Watermelon variety trial at Southwest Purdue Agricultural Center.

Article Categories:

Cucurbits
- Watermelon

Article Tags:

Hoophouse Nutrient Management — Notes from Great Lakes Vegetable Producer’s Network Weekly Roundtable Discussion

June 17, 2020 - From Issue: 676

By: Wenjing Guan and Liz Maynard

A few weeks ago, the Great Lakes Vegetable Producer’s Network discussed hoophouse nutrient management. Judson Reid from Cornell University and David Van Eeckhout from The Good Acre, St. Paul, MN,[Read More…]

Article Categories:

Vegetable Crops – General

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Vegetable Transplant Care Translates into Early Yield Differences

March 16, 2020 - From Issue: 669

By: Liz Maynard, Wenjing Guan and Petrus Langenhoven

We know from published research that the health and quality of a vegetable transplant affects how it will establish, grow, and yield in the field. Our recent work comparing tomato [Read More…]

Article Categories:

Solanaceous Crops
- Tomato

Article Tags:

Watermelon Fertility and Irrigation Management

March 16, 2020 - From Issue: 669

By: Wenjing Guan

Dear Watermelon Growers, At our past winter technical meeting, several growers suggested fertilizer recommendations need to be reevaluated for watermelon production in our area. This suggestion is timely and critical.[Read More…]

Article Categories:

Cucurbits
- Watermelon

Article Tags:

Soil Fertility and Fertilizers

A New Soil Test for High Tunnel Growers

February 17, 2020 - From Issue: 668

By: Wenjing Guan

Figure 1. Take soil samples at 6 inches deep

This article introduces a new soil test for high tunnel growers. Why is there a need for a new soil test for high tunnel production? Soil tests are valuable tools [Read More…]

Article Categories:

Vegetable Crops – General

Article Tags:

Soil Fertility and Fertilizers

Abnormal Transplant Symptoms Might be Caused by Poor Media

May 9, 2019 - From Issue: 657

By: Wenjing Guan, Liz Maynard, Dan Egel and Petrus Langenhoven

Figure 2. Wilt of watermelon seedlings due to grown in a high EC medium.

Producing healthy transplants is a critical step for a successful growing season. Choosing the proper growing media is an important first step. Supported by a USDA Specialty Crops Block Grant [Read More…]

Article Categories:

Vegetable Crops – General

Article Tags:

Soil Fertility and Fertilizers

Basic Aspects of High Tunnel Soil Fertility Management

April 11, 2019 - From Issue: 655

By: Petrus Langenhoven

Basic Aspects of High Tunnel Soil Fertility Management – (Petrus Langenhoven, plangenh@purdue.edu, 765-496-7955) – Spring has arrived! Every high tunnel grower is now thinking of planting summer vegetable crops in [Read More…]

Article Categories:

Vegetable Crops – General

Article Tags:

High Salinity Levels May Affect Tomato Production in High Tunnels

August 30, 2018 - From Issue: 650

By: Wenjing Guan

I visited a few high tunnels around the state recently and used a hand-held soil electrical conductivity (EC) meter to test soil salinity levels inside of the structures. Although the hand-held [Read More…]

Article Categories:

Solanaceous Crops
- Tomato

Article Tags:

Lowering Soil pH in High Tunnels

March 14, 2018 - From Issue: 639

By: Wenjing Guan and Liz Maynard

This article is my response to a grower’s question about lowering soil pH in a high tunnel. The soil test indicated pH of the soil in his high tunnel was [Read More…]

Article Categories:

Vegetable Crops – General

Article Tags:

Soil Fertility and Fertilizers
Soil nutrients, plant nutrition, soil testing and sampling, soil acidity, soil organic matter, green manures and cover crops, animal manures, fertilizer recommendations, fertilizer materials, etc.

Survey of Watermelon Nutritional Status in Southern Indiana – Sulfur

Survey of Watermelon Nutritional Status in Southern Indiana — Magnesium and Potassium

Hoophouse Nutrient Management — Notes from Great Lakes Vegetable Producer’s Network Weekly Roundtable Discussion

Vegetable Transplant Care Translates into Early Yield Differences

Watermelon Fertility and Irrigation Management

A New Soil Test for High Tunnel Growers

Abnormal Transplant Symptoms Might be Caused by Poor Media

Basic Aspects of High Tunnel Soil Fertility Management

High Salinity Levels May Affect Tomato Production in High Tunnels

Lowering Soil pH in High Tunnels

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College of Ag Sites
College of Ag Sites

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Soil Fertility and Fertilizers Soil nutrients, plant nutrition, soil testing and sampling, soil acidity, soil organic matter, green manures and cover crops, animal manures, fertilizer recommendations, fertilizer materials, etc.

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Soil Fertility and Fertilizers
Soil nutrients, plant nutrition, soil testing and sampling, soil acidity, soil organic matter, green manures and cover crops, animal manures, fertilizer recommendations, fertilizer materials, etc.

PRIMARY
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College of Ag Sites
College of Ag Sites

Related Sites
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