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Ecological regulation in agricultural production
1978
Takahashi, N. (Tokyo Univ. (Japan). Faculty of Agriculture)
Energy usage in agricultural production
1978
Walker, John N. | Turner, Larry W.
"Agriculture, even in its most primitive state, includes activities related to the collection and storage of solar energy in a form that can be used to sustain life. Energy must be expended in terms of human labor, animal labor, and fossil energy used for products and machinery utilized by agriculture"-- Page 3.
Afficher plus [+] Moins [-]Agricultural production development trends in Poland
1978
Rojewski, M. (Szkola Glowna Gospodarstwa Wiejskiego, Warszawa (Poland). Instytut Ekonomiki Rolnictwa i Polityki Agrarjej)
[Significance of bees in agricultural production]
1978
Wawrzyk, J.C.
[Agricultural production systems in tropical America]
1978
Soria V, J.
Agricultural research and extension investment needs and growth in agricultural production
1978
White, Fred C. | Havlicek, Joseph | Otto, Daniel
[Climatic factors in the agricultural production process]
1978
Arze, J.
[Energy problems in world agricultural production]. [Japanese]
1978
Udagawa T.
Agricultural engineering in food production and energy utilization.
1978
Downing C.G.
[Climate utilization in agricultural production [IV region, Chile]]
1978
Acevedo H, E.
