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1

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Fertilizer use - Nutrition and manuring of tropical crops /

by Jacob, A.
Published 1958

Kitap

2

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Theory and practice in the use of fertilizers /

by Bear, Firman E.
Published 1938

Kitap

3

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Gübrelerin etkili bir şekilde kullanılmaları /

Published 1970

Tam Metin Erişim

Kitap