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Articles by Eliakira Kisetu
Total Records ( 2 ) for Eliakira Kisetu
  Eliakira Kisetu and Christina Honde
  This study investigated effects of incubation period on Phosphorus (P) release from selected P-sources. The latter are reported to improve levels of P in highly weathered Chromic Acrisol, which has been under continuous cultivation. The study was based on screen-house which utilized Minjingu Mazao (MM) fertilizer, Cattle (CM) and Poultry (PM) manures. The MM fertilizer was applied at 0.258 g per 4 kg soil, equivalent to 40 kg P ha-1. Cattle manure and PM were incorporated in soils with and without MM at 10 g per 4 kg soil. The incubation went through 14, 28 and 42 days and P was analyzed after every incubation period. Results showed that incubating the soil with deionized water for 14 days adjusted P from 7.9 to 8.4 mg kg-1 soil. The MM, PM and CM increased P to 12.2, 15.9 and 17.9 mg kg-1, respectively. In addition, MM+CM, MM+PM increased P to 16.1 and 14.2 mg kg-1, respectively. Initially, P increased significantly (p <0.001) but later decreased substantially beyond 14 days. However, PM and CM gave relatively promising P values between 14 and 28 days as opposed to 42 days of incubation. It was concluded that incubating cattle manure and incorporating it with Minjingu Mazao fertilizer provides promising P quantities indicating high rates of P depletion in soils. Incubating soil with poultry manure and incorporating Minjingu Mazao fertilizer had slow release of P hence, might benefit a slow growing crop.
  Eliakira Kisetu and Christina Ngomzee Medutieki Teveli
  A screen-house pot experiment was conducted to assess the response of green gram (Vigna radiata L.) to the application of Minjingu Mazao fertilizer (31% P2O5) on Olasiti soil, Manyara Region-Tanzania. This study was prompted by very low or limited use of Minjingu Mazao fertilizer by smallholder farmers in the country while yields turnout of most crops, green gram inclusive, is not promising. The soil was clay with medium pH (pH 5.5-7.0) and neutral reaction (pH 6.6-7.3). The results showed that the number of pods and seeds increased from 3-6 and 7-9, respectively, at 40 to 160 mg per 4 kg soil of fertilizer applied. Similarly, the tissue N and P increased with treatment levels. The number of pods per plant and seeds per pod showed similar increase, signifying the role of these nutrients in protein synthesis in leguminous plants like green gram. Soil properties could be the spearhead to low responses obtained at low (<80 mg per 4 kg soil) and high (>320 mg per 4 kg soil) rates of Minjingu Mazao fertilizer applied. It was concluded that to optimize green gram production in Olasiti soil, Minjingu Mazao fertilizer containing 31% P2O5 should be applied at a rate of 160-320 kg ha-1 while considering other necessary agronomic practices. However, field studies to confirm the findings of this study and verify the usefulness of this fertilizer brand to green gram in Olasiti soil under field conditions could practically be the viable option before its recommendation to the smallholder farmers.
 
 
 
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