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Effects of CaCO3, CaSiO3and organic manure on the growth and yield of rice on a flooded acid latosolic soil

Wang, T.S.L.

Journal of Taiwan Agricultural Research 20(2): 47-55

1971


Accession: 014450431

In greenhouse experiments on latosolic soil of pH 4.8, containing 2.23% organic matter 3.5% active Fe and low in base saturation, CaCO2application markedly increased soil pH, decreased water-soluble Fe and Mn after 6 weeks' submergence, and increased grain and straw yields by 27 and 23%, respectively, at the 5 ton/ha rate. CaSiO5 had no effect on yields or soil chemistry.

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