WSU Tree Fruit Research & Extension Center

Organic & Integrated Tree Fruit Production

Monday, July 23, 2018

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Search results on 07/23/18

1266. Chandra, P., W.B. Bollen, and L.T. Kadry. 1962. Microbial studies of two Iraqi soils representative of an ancient site.. Soil Sci. 94:251-257.
Alluvial soils cultivated for 4-5000 years. No fertilizer, crop residues removed. Low OM, N, and total bacteria and fungi. After 5 days incubation, micorbial levels increased to values similar to more humid, fertile soils. Azotobacter was present. Decomposition of native and added organic matter was relatively slow. Measured soil properties, microbial levels, ammonification, nitrification, denitrification, S oxidation, P mineralization, decomposition of various added organic materials.

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