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Bello M. Shehu, Roel Merckx, Jibrin M. Jibrin, Alpha Y. Kamara and Jairos Rurinda
Diagnostic on-farm nutrient omission trials were conducted over two cropping seasons (2015 and 2016) to assess soil nutrients related constraints to maize yield in the northern Nigerian savanna agro-ecological zone and to quantify their variability. Two ...
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