01080nam a2200205Ia 4500 CTU_17982 210402s9999 xx 000 0 und d 333.913 C592 Clark, Colin The economics of irrigation Colin Clark Oxford Pergamon Press 1970 This book contains the critically important facts concerning the application of water by human agency to assist the growth of crop and grass. Much scattered material has been collated into a coherent structure and a great deal of information is presented in tabular form. The many important topics carefully discussed: the water requirements of crops in various climates and soils, in particular in Africa, the Middle East, australia and America; the cost of irrigation water from streams, canals. wells, pumps and dams; water resources; charges for water; desalination Irrigation farming Economic aspects Minh Trung tâm Học liệu Trường Đại học Cần Thơ