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Weed problems in food crops in Indonesia
(IPB (Bogor Agricultural University), 1969)
Losses due to weeds in food crop production are discussed. Types of weeds differ from one crop to another; environmental conditions, crop management and other factors affect weed growth. Hand weeding is practised on small ...
Soils of Peutjang Island, Southwest Java
(IPB (Bogor Agricultural University), 1968)
Following a 600 m transect from the southeastern shore toward the hills three main soil types were encountered, i.e., the sandy regosols, the tuffaceous over sandy regosols, and the latosolized tuffaceous regosols over ...
The andosols in Indonesia
(IPB (Bogor Agricultural University), 1965)
In the last few years three have been several studies of the andosols. Since this group of balck-colored soils is widely distributed inthe volcanic areas around the gradually receiving more attention. The unusual behavior ...
Nitrogen, energy and vitamin nutrition of Rhizobium japonicum
(IPB (Bogor Agricultural University), 1968)
The energy, nitrogen and vitamin nutrition of 36 strains of Rhizobium japonicum were investigated. Most of the strains utilized gluconate, glycerol, arabinose, glucose, mannose, mannitol, sorbitol, galactose and maltose. ...
Effect of initial clod size on characteristics of splash and wash erosion
(IPB (Bogor Agricultural University), 1968)
Wash erosion increased as initial clod size increased from 0.5–2 mm to 8–30 mm on a Marshall silty clay loam except in the case of clods from continuous bromegrass (Bromus inermis). Wash losses increased as size increased ...
Pengaruh ketengikan terhadap kwalitas bahan-bahan makanan
(IPB (Bogor Agricultural University), 1968)
Pengaruh yang paling buruk yang diakibatkan oleh lemak tengik adalah pengrusakan vitamin-vitaminterutama vitamin-vitamin yang larut dalam lemak. Vitanin-vitmin yaq diberikan menjadi rusak dalam lemak tengil: ialah cazotene ...
The effect of three Strains of tobacco mosaic virus on peroxidase and polyphenol oxidase activity in nicotiana tabacum
(IPB (Bogor Agricultural University), 1965)
Polyphenol oxidase activity, peroxidase activity and virus titer were determined at 2-day intervals for 22 days in tobacco leaf tissue singly infected by three strains of tobacco mosaic virus (TMV). The aucuba and yellow ...