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Relationship between K/Ca Ratios in the Soil Solution with the Dynamic of K in Ultisol and Vertisol of Upland Area
(IPB (Bogor Agricultural University), 2004)
The objectives of this experiment were: (I) to study the effect of K and Ca fertilization on the dynamic of K, (2) to study the relationship between the dynamic of K in the soils with corn growth, and (3) to determine the ...
The Rate of S-Element Transformation to Sulfate on Three Kinds of Soils with and Without Addition of Organic Matter
(IPB (Bogor Agricultural University), 2005)
Defiency of sulfur were found at many areas of farming in Indonesia. The aim of this experiment was to Icnow the rate of S-element tranformation to sulfate on three kinds of soil without and added of organic matter. The ...
Changes in Phosphorus Fractions on an Acidic Soil Induced by Phosphorus Fertilizer, Organic Matter and Lime
(IPB (Bogor Agricultural University), 2000)
One month of incubation experiment was implemented to evaluate the changes of phosphorus fraction in inorganic P (Pi) and organic P (Po) induced by phosphorus fertilizer (KH2P04), cow manure ( manure) and CaC03 (lime). A ...