Energy use and efficiency in two Canadian organic and conventional crop production systems.
Autor: | J.W. Hoeppner, M.H. Entz, B.G. McConkey, R.P. Zentner, C.N. Nagy |
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Zdroj: | Renewable Agriculture & Food Systems; Mar2006, Vol. 21 Issue 1, p60-67, 8p |
Databáze: | Complementary Index |
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