(Q51385707)
Statements
Chemical aspects of ecology in relation to agriculture (English)
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Hubert Martin
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London, Ont Canada. Dept. of Agriculture. Science Service Laboratory
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unknown value
Science Service, Canada Dept. of Agriculture
Ottawa
1957
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Chemical aspects of ecology in relation to agriculture (IA chemicalaspectso00mart).pdf
1,181 × 1,808, 104 pages; 7.63 MB
1,181 × 1,808, 104 pages; 7.63 MB
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