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CONTRIBUTIONS OF ORGANIC AMENDMENTS TO EXCHANGEABLE POTASSIUM PERCENT AND SOIL NITRATE CONCENTRATION IN AN ULTISOL AND THEIR EFFECT ON MAIZE (ZEA MAYS L) GRAIN YIELD. Article No 6 of Volume 7

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Abstract

CONTRIBUTIONS OF ORGANIC AMENDMENTS TO EXCHANGEABLE POTASSIUM PERCENT AND SOIL NITRATE CONCENTRATION IN AN ULTISOL AND THEIR EFFECT ON MAIZE (ZEA MAYS L) GRAIN YIELD. Article No 6 of Volume 7.3