What is it about?

Soil fertility is thought to be a nutrition stock. This is a stock base thinking. However, the nutrition flow is more dynamic and the power comes from carbon. This study is about nutrition flow by enhancing the carbon resource inputted field.

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Why is it important?

Large nitrogen fixation would occur but the nitrogen is sequentially lost by denitrification. Finally, there is no nitrogen accumulation and almost no nitrogen moves from soil microbial to crop. We have to abandon the thinking that providing nitrogen to crop via soil microbial by carbon resource to them. Improving conditions of crop growth are important. And that is also good for soil microbial so there appears spurious correlation between them.

Perspectives

Soil aggregation is important and that need a small amount of carbon resource for soil microbial. However, the more the yield of the crop the less additional carbon. The excess crop residue can use for the recovery of degraded land.

Masato Oda
Japan International Research Center for Agricultural Sciences

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This page is a summary of: Crop production under nitrogen starvation conditions: relationships with applied organic matter and soil microbial biomass, F1000Research, February 2020, Faculty of 1000, Ltd.,
DOI: 10.12688/f1000research.21814.1.
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