Estimates of sub-national nutrient balances as sustainability indicators for agro-ecosystems in Ecuador
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Cómo citar
G.H.J. de Koning, & P.J. van de Kop, & L.O. Fresco (1997). Estimates of sub-national nutrient balances as sustainability indicators for agro-ecosystems in Ecuador. https://doi.org/10.1016/s0167-8809(97)00059-5