Yazar
lucas a van sleen
7 cilt bulundu.
Lucas A. Van Sleen · Republic of Zambia, Ministry of Rural Development, Dept. of Agriculture, Soil Survey Unit, Land Use Branch
25 sayfa · 1976
Land capability for agriculture / Northern Province / Soil surveys / Soils / Zambia
Lucas A. Van Sleen · Soil Survey Unit, Land Use Branch, Dept. of Agriculture
18 sayfa · 1976
Land capability for agriculture / Soil surveys / Soils
Lucas A. Van Sleen · Soil Survey Unit, Land Use Branch, Dept. of Agriculture
36 sayfa · 1978
Land capability for agriculture / Seed potatoes / Soil surveys / Soils
Lucas A. Van Sleen · Soil Survey Unit, Land Use Branch
32 sayfa · 1978
Land capability for agriculture / Soil surveys / Soils
Lucas A. Van Sleen · Soil Survey Unit, Land Use Branch, Dept. of Agriculture
14 sayfa · 1978
Chinsali Farmer Training Centre / Land capability for agriculture / Soil surveys / Soils