Abstract
Results are given here of the effect of adding phosphorus to an acid soil, limed or unlimed, on the pH and mineral composition of the red soil Fajardo clay. Data are also given for similar effect on the yield and mineral composition of a mixture of Pará grass Panicum purpurascens and Carib grass Eriochloa polystachya. The minerals studied were calcium, magnesium, manganese, phosphorus, and iron.Downloads
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