【摘要】 采用同等产量节水和同等水量增产的计算方法,主要对山西省4种农田覆盖(地膜覆盖、秸秆覆盖、垄膜沟灌和膜上灌)技术的节水增产效果和投入产出做了详细的分析。并对各种覆盖技术的特点及节水增产机理进行了探讨。更多还原

【Abstract】 By calculating of water saving under the same output and the output increasing under the same irrigating condition, the output increasing effects, the water saving effects,and input/output for the 4 kinds of field mulching technology in Shanxi Province have been analyzed systematically.The features of these mulching technologies and the mechanism of water saving and the output increasing also have been studied.更多还原