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.


​Pinney Purdue Vegetable Field Day and Sweet Corn Sampler. Thursday, August 13, 2015. 4:00 p.m. – 8:00 p.m. CDT. Pinney Purdue Ag Center, 11402 S. County Line Rd., Wanatah, IN. Plot tours include soil health management and disease suppressive soils, tomatoes and peppers in high tunnels, and sweet corn varieties. Private Applicator Recertification (PARP) Credit…Read more about Upcoming Events[Read More]


​Pinney Purdue Vegetable Field Day and Sweet Corn Sampler. Thursday, August 13, 2015. 4:00 p.m. – 8:00 p.m. CDT. Pinney Purdue Ag Center, 11402 S. County Line Rd., Wanatah, IN. Plot tours include soil health management and disease suppressive soils, tomatoes and peppers in high tunnels, and sweet corn varieties. To register, contact Lori Jolly-Brown,…Read more about Upcoming Events – Pinney Purdue Vegetable Field Day and Sweet Corn Sampler[Read More]


​High rainfall amounts lead to loss of nitrogen from the soil. Sometimes the loss is great enough that a crop will benefit from additional nitrogen application. This article will describe how nitrogen is lost and factors to consider in deciding whether to apply extra nitrogen. There are two main ways nitrogen is lost from wet…Read more about Nitrogen Loss from Wet Soils[Read More]


​Purdue University’s Boiler Hop Yard has started its second growing season with the hopes of providing Indiana growers with science-based recommendations for hop production in the Midwest. With summer rapidly approaching, hop bines are now climbing over 10 feet high in portions of Indiana, and the Boiler Hop Yard is no exception. Downy Mildew. One…Read more about Boiler Hop Yard Update[Read More]


​Cover crops should be killed at least a couple of weeks before planting vegetables. That will give the cover time to partially decompose, and time for any cutworm larvae that may be in the crop to die or pupate. If wet weather delays killing or incorporation of cover crops, the time between incorporation and planting…Read more about Managing Cover Crops in Spring[Read More]


​Sometimes newly transplanted crops don’t take off like we’d expect. Consider the newly transplanted tomato seedlings in these images. In Figure 1, lower leaves are chlorotic (yellow) and leaflet edges and leaves curl downward. In Figure 2, lower leaves are chlorotic or bleached and some had necrotic (dead) spots. In Figure 3, some leaves have…Read more about Too Much Fertilizer for Transplants?[Read More]


Page last modified: May 10, 2016

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