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Budidaya padi-sawah dengan ikan. Penelitian tentang beberapa aspek agronomi.Wet rice cultivation with fish culture. Astudy on some agronomical aspects.
(IPB (Bogor Agricultural University), 1962)
Studies on the development of a chemically defined diet for the two-spotted spider mite (tetranychus telarius L.)
(IPB (Bogor Agricultural University), 1963)
An attempt to culture the plant-feeding mite, Tetranychus telarius L. on a chemically defined diet is discussed in this thesis. The development of a suitable rearing technique was one of the important problems. Several ...
The effect of competition on yield and its components in corn (Zea mays L.)
(IPB (Bogor Agricultural University), 1965)
The phenotype of an organism is the expression of its genotype relative to the environment in which it develops. The increase in plant population, a general practice to Increase total yield, tends to suppress the potential ...