Open AccessEffect of Cobalt and Different Organic Fertilizers on Cowpea (Vigna unguiculata) production
Author(s) -
Nadia Gad,
Mohamed Rakha
Publication year - 2019
Publication title -
middle east journal of applied sciences
Language(s) - English
Resource type - Journals
eISSN - 2706-7947
pISSN - 2077-4613
DOI - 10.36632/mejas/2019.9.4.17
Subject(s) - vigna , production (economics) , cobalt , agronomy , organic production , environmental science , organic farming , biology , chemistry , economics , agriculture , ecology , inorganic chemistry , macroeconomics