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2841
Growth of coconut seedlings as influenced by different fertility levels in three soil types [microform]
Baskı/Yayın Bilgisi 1981Visual Material -
2842
Biological constraints to high yields on some rice farms in Nueva Ecija, Philippines [microform]
Baskı/Yayın Bilgisi 1981Visual Material -
2843
Biology of trichoqramma spp. and their effectiveness as biological control for the sugarcane stem borer, tetramoera schistaceana sn. [microform]
Baskı/Yayın Bilgisi 1981Visual Material -
2844
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2845
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2846
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2847
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2848
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2849
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2850