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1251
Chemical retardation of the reduction of flooded soils and its effects on the growth of rice plant [microform]
Published 1977Visual Material -
1252
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1253
Distribution of the forms of nitrogen in some Philippine soils [microform]
Published 1977Visual Material -
1254
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1255
Some characteristics of eight major soil series from the Visayan islands, Philippines and their potassium status [microform]
Published 1977Visual Material -
1256
Effect of PH on the growth of rhizobia and nitrogen fixation in some rhizobium-legume associations [microform]
Published 1977Visual Material -
1257
Rice hull-soil mixtures as growing media for tomato transplants [microform]
Published 1977Visual Material -
1258
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1259
Nitrogen transformation in flooded maahas clay with and without rice [microform]
Published 1977Visual Material -
1260