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Fertility of humic Andosols of the high Bracken zone in Kenya
(1983)
Preliminary work on availability of and
response to phosphorus in a range of Kenya soils
showed that availability is least in one particular
soil group, the strongly acid humic Andosols of the
high bracken zone in ...
Insect pests of cowpeas vigna unguiculata(l.) walp. and studies on cowpea yieldassessment under different chemical sprayregimes and minimum use of insecticidesagainst the dominant insect pest speciesat Katumani dryland rese4rch station, Kenya
(1983)
Studies to identify major insect pests
attacking cowpea, Vigna unguiculata (L.) Walp.,
in the field and to assess cowpea yields under
different chemical control regimes were conducted at
Katumani, Kenya during th'e ...