01089nam a2200205Ia 4500 CTU_15473 210402s9999 xx 000 0 und d 243.60df 681.763 T396/Vol.2 E S Boi Theory, construction and calculations of agricultural machines E S Boi, E G Sultan-Shakh, I I Smirnov, O V Verniaev Rotterdam A. A. Balkema 1991 The book presents technological and agronomic requirements of operations performed by machines and units. The technical data for these machines are also given. The theory, construction and calculations of machines and implements are discussed in relation to: 1 - soil working; 2 - harvesting cereal crops, root crops and grasses, and 3 - port-harvest treatment of grains. Great attention is paid to the theory of tillage tools and soil cutting with blades suited to different soil-climatic zones agricultural machinery Minh, 970408 Trung tâm Học liệu Trường Đại học Cần Thơ