Browsing Department of Crop Science by Author "Kamiri, Hellen W."
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Do Mixed-Species Legume Fallows Provide Long-Term Maize Yield Benefit Compared with Monoculture Legume Fallows?
Ndufa, James K.; Gathumbi, Stanley M.; Kamiri, Hellen W.; Giller, Ken E.; Cadisch, Georg (Wiley, 2009-11-01)The deliberate planting of fast-growing N2–fixing legume monoculture species in rotation with cereal crops can be an important source of N for soil fertility replenishment. We hypothesized that mixed-species fallows have ... -
Effects of blended fertilizers on soil chemical properties of mature tea fields in Kenya
Sitienei, Kibet; Kamiri, Hellen W.; Nduru, Gilbert M.; Kamau, David M. (2018-06)Kenya’s tea industry depends predominantly on imported NPK fertilizers to replenish nutrients removed through plucking. In this respect, two blended fertilizers containing NPKS 25:5:5:4+9Ca+2.6Mg and NPKS 23:5:5:4+10Ca+3Mg ... -
Nutrient Budget and Economic Assessment of Blended Fertilizer Use in Kenya Tea Industry
Sitienei, Kibet; Kamiri, Hellen W.; Nduru, Gilbert M.; Kamau, David M. (Hidawi, 2018-11-18)Kenya’s tea industry depends predominantly on imported compound NPK fertilizers to replenish nutrients removed through plucking. These fertilizers cannot be easily manipulated for specific soils and tea clones. They also ...