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1241
Potassium supplying capacity of some coconut soils in the Philippines [microform]
Published 1977Visual Material -
1242
Sources and rates od fertilizer phosphorus for flooded rice in Buenavista clay [microform]
Published 1977Visual Material -
1243
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1244
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1245
Release of nutrient bases in some acidified Philippine soils [microform]
Published 1977Visual Material -
1246
The influence of soil temperature regimes on the chemical kinetics of flooded soils and the growth of rice [microform]
Published 1977Visual Material -
1247
Microbiological transformations of nitrogen in flooded maahas clay [microform]
Published 1977Visual Material -
1248
Some factors affecting the availability of zinc in rice soils [microform]
Published 1977Visual Material -
1249
Chemical and physico-chemical changes in a flooded acid sulfate soil and the growth and yield of rice [microform]
Published 1977Visual Material -
1250
Soil chemical status and foliar nutrient composition of coconut trees in some Philippine coconut plantations [microform]
Published 1977Visual Material