Liming in relation to crop production in Ultisols and Oxisols of northern Zambia

H.C. Goma and B.R. Singh
Bok · Engelsk · 1993

Utgitt	Ås : Ecology and Development Programme, Agricultural University of Norway , 1993
Omfang	43 s. : diagr.
Emner	kalking jordbruksprodukter jordbunn avlingsstørrelse avkastning