Borno state (production) Millet water requirement

The CROPWAT version 8.0 of the FAO was used to determine the seasonal pearl millet crop water requirement, effective rainfall and irrigation requirements as 445mm, 248mm and 145mm, respectively. The gravitational water which was in excess of field capacity lost to deep percolation was 219mm while 246mm of irrigation depth was used to supplement rainfall at different stages of growth. The 84mm of irrigation water applied during booting and grain-filling stages gave the highest yield of 2354.17kg ha-1. Significant differences (P<0.05) were observed for panicle length, stover weight, chaff weight and grain yield. It was observed that irrigation during booting and grain-filling stages produced more yield than the other treatments. It is therefore more suited to the dry sub-humid agroecological zone and its adoption can bring substantial yield increase of pearl millet per unit water used and land area. It should therefore be adopted to mitigate dry spells in other places with similar soil and climatic characteristics to supplement rainfed millet.

Meeting Up Millet Crop Water Requirements through Supplemental Irrigation in Semi-Arid Region of Borno State of Nigeria A.B. Mustapha1,2* and Adzemi Mat Arshad1 1So

Categories: Research development

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