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Karl Eduard Werner Penzhorn
5 cilt bulundu.
Cilt sonuçları
'n Studie van die Fisies-biologiese fase van Boederybeplanning in die Hoeveldstreek van Suid-Afrika
Karl Eduard Werner Penzhorn, South Africa. Department of Agricultural Technical Services · Yayınevi bilinmiyor
179 sayfa · 1960
Kategori yok
Kooperatiewe Demonstrasies Uitgevoer Deur Uitbreidingsbeamptes
Karl Eduard Werner Penzhorn, South Africa. Department of Agriculture and Forestry (1934-1945). Division of Animal and Crop Production. Extension Section · Yayınevi bilinmiyor
47 sayfa · 1941
Agricultural education
'n Studie van die fisies-biologiese fase van boerderybeplanning in die Hoeýýveldstreek van Suid-Afrika
Karl Eduard Werner Penzhorn, University of Pretoria · Yayınevi bilinmiyor
179 sayfa · 1959
Farm management