Abstract
Maize is an important food crop in Ethiopia and it is one of the main smallholder food crops in the rift valley of Oromia, although shortage of rainfall and erratic occurrence was caused soil moisture content stressed yields reduced. Suitable soil and water conservation measures that can be easily integrated into the existing farming operations while enhancing in-situ moisture conservation. The study was conducted on land surface management to increase soil moisture content, amend soil nutrients and enhance yield and yield components of maize. The experiment was conducted during the 2021 and 2022 main cropping seasons at Adami Tulu Agricultural Research Center on-station using RCBD that had five tested treatments. Maize variety Melkasa-II was used as a testing crop for its familiar to local communities. The results indicated that soil moisture content was enhanced by 5.8% to 26.4% in maturity and vegetative stages up to 60 cm depths. Soil physico-chemical properties were improved and the highest grain yield was obtained from 5 tha<sup>-1</sup> (SM+FYM) plus NPS fertilizer and 5 tha<sup>-1</sup> of straw mulch plus inorganic fertilizers treatments that increased by three to four fold of the organic fertilizer applied and control treatments orderly. This result implies that retaining crop straw mulch and application of farmyard manure in the field within profitable cost can be used as soil moisture conservation tool for sustainable improvement of maize production in the study area.
Published Version
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More From: International Journal of Natural Resource Ecology and Management
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