Open AccessStudy of Reducing Chemical Fertilizers and Enhancing by Organic and Biological Fertilizers for Cowpea Crop
Author(s) -
Mundher Kh. Jabbar,
Al Murtada Ali Sbti
Publication year - 2022
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/1060/1/012087
Subject(s) - fertilizer , agronomy , randomized block design , organic fertilizer , crop , cultivar , agriculture , mathematics , environmental science , biology , ecology