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Soils

Dealing with Non-Conventional Soil and Fertilizer Amendments (09/12/13)

Not that many years ago, the standard method for introducing a product was research and development. Now, most of the products introduced as soil or fertilizer amendments are development and maybe research. And if the research does not support the product use, just ignore it.

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Fall N Application (08/22/13)

Here are my recommendations for application of anhydrous ammonia and urea in North Dakota in the fall. No fall anhydrous ammonia or urea on sandy loam soils or coarser or soil that floods regularly in the spring. Do not apply any anhydrous ammonia or urea until the calendar hits October.

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Fall Soil Testing (08/22/13)

As in the past, soil testing for residual nitrate immediately following early crop harvest in August is perfectly acceptable.

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Fall Tillage (08/22/13)

The soil this August is behaving differently than during last year’s dry period. Last year, the soil on higher clay soils was very hard and worked up very cloddy.

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Soybean Soil Fertility - SF1164

New Soybean Fertility Circular Published (07/24/13)

The revision of the Soybean Fertility circular has just been published.

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Protein Enhancement for Spring Wheat (07/11/13)

The economic incentive to increase protein in spring wheat to avoid discounts or realize a greater protein premium so far this season is low.

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Soybean Iron Deficiency Chlorosis (06/27/13)

Soybean in the state always looks green as it emerges. Iron in soybean is mobile in the plant until the first trifoliate leaf emerges. At that time, for some mysterious reason iron becomes immobile in the plant and has to be taken up fresh for each increment of added tissue.

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Recent Rains and Recent Topdress/Sidedress Application (06/27/13)

As I am writing this at 3 AM making sure my sump pump doesn’t die, it is clear that scattered showers means something different than it did years ago.

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Color me Stupid (06/27/13)

Ninety-seven percent of scientists agree that man-made global warming is real, and the 3 percent of scientists that do not think global warming is influenced by human activities are far below their colleagues in their expertise. This is a paraphrase from a paper written in 2010 by Anderegg, et al. in the Proceedings of the National Academy of Sciences of the United States of America.

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Sulfur Deficient Corn Field.Dave Franzen.jpg

Old Yeller (06/20/13)

Calls this week have been heavily focused on yellow corn and some yellow wheat.

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Topdress and Sidedress Options for Solid-Seeded and Row Crops (06/06/13)

The dust/mud of planting season is just about over. Due to the astonishing amount of water (can we really call it rain?) that has fallen in many parts of the state, losses of N may have been high due to leaching in the west and denitrification in the east.

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Wet Soils and Nitrogen Loss (05/29/13)

There are areas that have received a great deal of rain during the last few weeks and areas with just enough rain. Too much of a good thing has some growers worried that significant nitrogen was lost during the wet period which appears not to be over yet. So the following are IF’s and an estimate of loss to date (May 28).

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Exit Tree Rows, Enter Soil Loss (05/23/13)

Over the last 20 years of wetness, the elimination of tree rows has progressed. There has been little wind erosion during the wet years. On May 14, however, many growers were given a little taste of what it must have been like at the beginning of the 1930’s.

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Planting Date Trumps Preplant Fertilizer Application (05/09/13)

The planting season, especially in the northern half of North Dakota, will be extremely compressed. Less than normal fall fertilizer application will mean that many fertilizer dealers will have long waiting lists for fertilizer application this spring. Since the dates are already ticking away, and planting dates optimal for highest yield potential will be reached in the next week or two depending on where the field is located, waiting several days for a fertilizer applicator to show up before planting is not a reasonable decision.

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