Yazar
k k krogman
2 cilt bulundu.
Cilt sonuçları
Adapter l'irrigation aux besoins des cultures
K. K. Krogman · Services d'information, Ministère de l'agriculture
22 sayfa · 1978
Cultures et eau / Irrigation / Canada
Scheduling irrigation to meet crop demands
K. K. Krogman · Canada Department of Agriculture
18 sayfa · 1976
Field crops / Irrigation farming / Crops and water / Canada / Irrigation