机译:Fertilizer-manure substitution among arable crop farmers in Akwa Ibom State: empirical evidence.
agricultural production; application rates; arable farming; equations; fertilizers; growth; growth rate; maize; manures; pumpkins; Cucurbita; Zea mays; Cucurbitaceae; Violales; dicotyledons; angiosperms; Spermatophyta; plants; eukaryotes; ACP Countries; Anglophone Africa; Africa; Commonwealth of Nations; Developing Countries; West Africa; Africa South of Sahara; Zea; Poaceae; Cyperales; monocotyledons.;