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Articles Tagged with ''potassium''

Fine-Tuning Fertility In A Quest For Top Yields

Pennsylvania no-tiller Dean James is focusing on secondary macronutrients, micronutrients and precision fertilizer applications to bring yields to the next level.

By Martha Mintz posted on June 1, 2012 | Posted in Nutrient Management, Precision Agriculture

Plugging the lowest leak in the fertility barrel to boost yields and cut waste is the goal Dean James set for the 1,250-acre farm he manages. But achieving that goal requires creating a detailed fertility picture.

Change In Phosphorus And Potassium Contents Of Corn Stalks Over Time

December 17, 2011 | Posted in Nutrient Management

Source: By Antonio P. Mallarino and Ryan R. Oltmans, Department of Agronomy, Iowa State University

Increasing corn yield and harvest of cornstalks for feed, bedding or bioenergy production are generating numerous questions about phosphorus and potassium concentrations in cornstalks and removal.

A Winning Formula To Break Down Tough Residue

Agronomist says a mixture of 28%, Thio-Sul, humates, sugar and water can help digest today’s tough corn stalks for better corn yields the following year.

By Darrell Bruggink posted on December 1, 2011 | Posted in Residue Management, Nutrient Management

Corn residue has its good and bad points. It’s not so good if it interferes with no-till seed placement or crop emergence, but it’s a great source of food for soil biological activity and contains valuable nutrients for the next year’s crop.

Nutrient Removal Rates In Grain Crops

October 25, 2011 | Posted in Nutrient Management

Source: By George Silva, Michigan State University

As crops are being harvested and grain is taken to the storage or elevator, it is time to estimate the amount of nutrients that are removed by this grain, particularly the three major nutrients: nitrogen, phosphorus and potassium.

Be Cautious When Interpreting Early Fall Soil-Test Results

October 13, 2011 | Posted in Residue Management, Nutrient Management, Soil Health

Source: By Antonio P. Mallarino, Department of Agronomy,

Sampling under very dry conditions may increase soil sampling error because it is more difficult to control sampling depth and proper soil core collection.

Hit Spots With Strip-Till Fertility

October 6, 2011 | Posted in Nutrient Management

Fabian Fernandez, University of Illinois Extension specialist in plant nutrition and soil fertility, offers a few thoughts on applying nitrogen, phosphorus and potassium with strip-till this season.

No-Till Notes

Tackling Drainage And Compaction In No-Till

Strong soil structure, proper nutrient levels and adequate tiling hold the answer to improving drainage challenges in no-till fields.

By Jim Leverich posted on September 1, 2011 | Posted in Water Management

When it comes to no-till, getting your crops planted and off to a good start is paramount. But wet conditions in a field, or a portion of a field, may limit your ability to plant. That can lead to reduced stands and possibly lower yield potential.

A Biological Boost For Breaking Down Residue

Here’s a look at some of the products that could boost soil microbial activity and speed up decomposition of the toughest no-till residue.

By Martha Mintz posted on August 1, 2011 | Posted in Residue Management, Nutrient Management

Enzymes, microbes and humic acids may be the next evolution in residue management, as no-tillers continue searching for ways to increase biological activity in their soils and break down tough cornstalks.

No-Till, Residue Opens New Doors

In the heart of wheat country, continuous no-till delivers crop flexibility and productivity for Kansas grower Tom Pauly.

By Mark Parker posted on August 1, 2011 | Posted in Residue Management, Nutrient Management

Tom Pauly pulls a pair of pliers from the holster on his hip, kneels down and scratches through a thick thatch of crop residue. And he smiles.

Not All Fertilizer Bands Play The Same Song

May 5, 2011 | Posted in Nutrient Management

Source: International Plant Nutrition Institute

So often, phosphorus (P) and potassium (K) are used in the same sentence when people talk about banded fertilizer applications, as if both were different verses of the same song

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Last-Minute Planter Prep for No-Tillers & Strip-Tillers

On this episode of Conservation Ag Update, brought to you by Martin-Till, precision specialist Chad Baker, co-owner of Baker Precision Planter Works in Orangeville, Ill., helps a first-generation no-tiller with planter setup, and later encounters a couple problems with a strip-tiller’s new 24-row planter. Plus, veteran agronomist Brad Forkner checks in with a couple tips for farmers to keep in mind before they take the field.

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