Madras Agricultural Journal
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Influence of Moisture and Added N on P Availability

Abstract

The influence of soil moisture regimes, doses of added N and their interaction on the quantum of available P was investigated under pot and field conditions in red and black soils of Tamil Nadu with Co. 10 ragi as test crop at Tamil Nadu Agricultural University, Coimbatore. The available P content of soils in general was affected by the moisture regimes. Higher doses of N reduced the available P content. Response to the variables introduced were more pronounced in red soil than in black scil and the available P decreased with crop growth.

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