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| foreword some topics on developing water-saving irrigation the future of irrigation:climate trends and uncertainties rainwater harvesting project in gansu province safe and sus tainable use of sewage effluents for irrigation water use efficiency of grain crops on irrigated fieled from theories through models and laboratories to field implementation promoting the sustainable use of water resources by readjusting agricultural production structure in the yellow river basin drip irrigation technology and state western area development strategy fertigation in china RDI-the new technique of water saving irrigation management in china strategic considerations of efficient irrigation and salinity control on hetao plain of inner mongolia estimation of agricultural water consumption in north area suggestion for developing water-saving irrigation in shandong province 21st century's water saving in agriculture of beijing city nitrogen movement in 2-dimensional saturated-unsaturated soil an analytical solution of effective jnsaturated hydraulic condu ctivity …… |
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