Managing Plant Nutrients

Fertilizers are responsible for over half of global food production, but there are areas in world with nutrient deficiency and other areas of nutrient excess. Managing mineral plant nutrients requires careful application of science and skill to meet production, environmental, and social goals.

Tuesday, March 17, 2015

International Year of Soils: Modifying soil to improve crop productivity

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The essential link between productive soil and humans has been clear since the beginning of agriculture. However, our food crops c...
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Thursday, March 12, 2015

Nitrophosphate - making phosphate fertilizer using nitric acid

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The production and application of nitrophosphate fertilizers is largely reg...
4 comments:
Saturday, February 7, 2015

Another look at liming acid soils

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It is estimated that soil in over 30% of the world’s cropland is acidic and would benefit from liming and soil improvement. Most soils ha...
Thursday, January 8, 2015

Step Up as a Source of Information!

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We live in an age of information overload, with an avalanche of information arriving each day. It can become a struggle to decide what inf...
Thursday, September 4, 2014

Fertilizer Is Not a Dirty Word

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High crop yields often come under scrutiny because of the need for fertilizers and the perception of their potential environ...
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Saturday, August 23, 2014

A Closer Look at Phosphorus Uptake by Plants

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ALMOST ALL PLANT PROCESSES require phosphorus (P) to operate. Phosphorus is essential for life sustaining reactions including energy tr...
Tuesday, July 1, 2014

Kieserite... naturally occurring magnesium sulfate

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Kieserite is a naturally occurring mineral that is chemically known as magnesium sulfate monohydrate (MgSO4·H2O). It is mined from geolog...
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About Me

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Rob Mikkelsen
I am a soil scientist with interest in managing plant nutrients in the best way possible. I am fortunate to be able to work in research and education to be able to accomplish this goal. After receiving a PhD in Soil Science at the University of California (Riverside), I worked as a Research Scientist for the U.S. government, as a Professor of Soil Science, for the not-for-profit IPNI, and now the African Plant Nutrition Institute. It's been a wonderful experience!
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