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Cilt sonuçları
Introduction to Tropical Soil Science (Macmillan Intermediate Agriculture Series)
Samson O. Olaitan, G. Lombin · Macmillan Education Ltd
136 sayfa · 1984
Agriculture & related industries / Farming & agricultural technology
Assessment of the direct and residual values of various phosphatic fertiliserrs using a groundnut-sorghum rotation on a savanna soil.
L. G. Lombin · Institute for Agricultural Research, Ahmadu Bello University.
Sayfa sayısı yok · 1979
Kategori yok
Crop Science and Production (Macmillan Intermediate Agriculture Series)
J. Yayock, G. Lombin, J. J. Owonubi · Macmillan Education Ltd
320 sayfa · 1988
Farming & agricultural technology