Effect of organic manure on crop yield in long-term field experiments
W.P. Wadman
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In: J.H. Cooley (ed), Soil organic matter dynamic and soil productivity: proc intend workshop, ekenaes, Sweden, 4-6 June 1986 Intern. Assoc. for ecology Athens... Intecol Bulletin 1987: 15 pp.83-89.
ORGANIC FERTILIZERS
YIELDS
EXPERIMENTS