Frissel, M.J.
Cycling of mineral mutrients in agricultural ecosystems - USA, Elsevier scientific Publishing Company 1978 - 358
Agricultural economy/ mineral cycle/ agricultural fertilizers / menures/ biogeochemistry
631.8 FRI
100
Cycling of mineral mutrients in agricultural ecosystems - USA, Elsevier scientific Publishing Company 1978 - 358
Agricultural economy/ mineral cycle/ agricultural fertilizers / menures/ biogeochemistry
631.8 FRI
100