Soil fertility management handbook for extension staff and farmers in Kenya

S.M. Kanyanjua, J.G. Mureithi, C.K.K. Gachene, H. M. Saha, John Lynam, J. O. Mugah, John Ojiem, Felicia Ndun'gu, John Nyongesah Maina

2000 · 12 citations · 0 references

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