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Phosphate sorption and its relation to soil properties
(Agricultural University of Norway, 1986-12-11)
In order to study the phosphorus sorption characteristics of six soils from Botswana, 2g of soil were equilibrated at 20°C in 0.01M CaCl2 containing various amounts of dissolved phosphate (0-900 pg P/g soil for two days). ...
Plants Poisonous to Livestock in Botswana
(South Dakota State University, 1982)
Livestock plant poisoning is very common in Botswana. Two plants, Dichapetalum cymosum and Pavetta harborii, are especially notorious for causing large-scale mortality in some areas of the country. In 1975, for instance, ...
Vegetation and soil moisture responses following three big sagebrush control methods
(University of Wyoming, 1986-05)