Theresearchresultsshowedthatinthesemiaridmountainareaofthe Southpart of Ningxia ,the maximum supplementary irrigation water to meet withthe highest grain yields of spring wheat was 200 mm;and the supplementary irrigation wa- ter to satisfy the highest crop water use efficiency was 100 mm;and the supplementary irrigation water required to satisfy the highest irrigation efficiency was 60 mm. In the case of 60 mm supplementary irrigation water,the water consumption of spring wheat increased from 240 mm to 320 ...
修改评论