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Fertility and organic matter in submerged rice soils


, : Fertility and organic matter in submerged rice soils. Current Science 88(5): 735-739

This article examines the benefits of growing rice in flooded conditions on soil fertility and its maintenance. Research has shown that the wetland rice system (growing rice in submerged soils) has a great ameliorative effect on chemical fertility: largely by bringing pH in the neutral range, resulting in better availability of plant nutrients and accumulation of organic matter.

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Other references

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Istamanian, L.S., 1943: The method of the determination of acriquine in the urine. The method of Bolo-tina (Med. Parasitol. i. Parasitic Dis., 4(5): 421-422. 1935) is modified. The urine is extracted with ether and the extract examined in the colorimeter. The rest of the urine is mixed again with ether and examined colorimetrica...