Conference Paper
Wangechi, HK
Wangechi, H.K.; Pypers, Pieter; Vanlauwe, Bernard. 2007. Residual effects of applied phosphorus fertilizer on maize grain yield and phosphorus recovery from a long-term trial in Western Kenya [abstract] [online]. In: Bationo, André; Okeyo, Jeremiah M.; Waswa, Boaz S.; Mapfumo, Paul; Maina, Fredah; Kihara, Job (eds.). Innovations as key to the green revolution in Africa: Exploring the scientific facts: Abstracts: Symposium [online]. Centro Internacional de Agricultura Tropical (CIAT), Tropical Soil Biology and Fertility (TSBF), Nairobi, KE. p. 47.