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The Effect of Organic Matter (Pueraria javanica) and Rock Phosphate on the Growth and P-uptake of Corn Plant (Zea mays) in Andisol Pasir Saronggae
(IPB (Bogor Agricultural University), 2003)
Phosphor (P) is the second esensial element after nitrogen which is needed by plants, however, its ava/i!ahi/ity is a problem in vulcanic ash soils such as Andisol. The objective of the research was to study the effect of ...
The Effect of Organic Matter (Centrosema pubescens) and Rock Phosphate Application on the Activity of Phosphatase and P Fraction of Latosol Soil in Darmaga, Bogor
(IPB (Bogor Agricultural University), 2007)
One of the problems of acid soils such as Latosol is very low in P-availabi/ity due to high P-j'vcation in those soils. Since soils is deficiency of P, adaptation of plants and microorganisms to overcome deficiency of P ...
Increasing P Retention in the Peat Column Amended with Mineral Soil and Some Rock Phosphates
(IPB (Bogor Agricultural University), 2004)
Peat soils have a very low capacity in retaining P. Mineral soils rich in Fe could be used as ameliorant in increasing this capacity.The aim of this experiment was to study the use of three rock phosphates and SP-36 on ...