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41
Influence of the duration of submergence of the soil prior to transplanting on the growth and yield of rice [microform].
Gepubliceerd in 1977Visual Material -
42
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43
Chemical and physico-chemical changes in a flooded acid sulfate soil and the growth and yield of rice [microform]
Gepubliceerd in 1977Visual Material -
44
Soil chemical status and foliar nutrient composition of coconut trees in some Philippine coconut plantations [microform]
Gepubliceerd in 1977Visual Material -
45
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46
Nitrogen transformation in flooded maahas clay with and without rice [microform]
Gepubliceerd in 1977Visual Material -
47
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48
Chemical and morphological characteristics of some paddy soils in the Philippines [microform]
Gepubliceerd in 1977Visual Material -
49
Some factors affecting ammonification in flooded soils [microform].
Gepubliceerd in 1977Visual Material -
50
Influence of internal drainage on the chemical and electrochemical changes of four flooded soils and on the growth of rice [microform].
Gepubliceerd in 1977Visual Material