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Organic & Integrated Tree Fruit Production

Thursday, July 19, 2018

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6638. Steel, S.. 1990. Your tiniest livestock.. Farm Journal (mid-January).
Discusses the importance of the microbial population for a number of factors. Available P levels have increased in low input systems years after the last commercial P was added, probably due to microbial action. The microbial biomass from a LISA system had a higher proportion of N than that from a conventional system. Microbes improve soil structure. A marked increase in infiltration was observed after only one application of manure. John Doran found 10-26% more microbes on manured plots than unmanured. Also, there were more microbes in the top few inches of land planted to oats and clover than to corn or soybeans. This is mostly due to carbon levels and C:N ratios.

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