摘要
根据１９９２～１９９４年在北方旱区农业综合发展研究的寿阳试验区的农田水分平衡定位试验资料，研究分析了旱地春玉米田微集水保墒技术的蓄水保墒效果。结果表明：微集水处理的降水入渗深度比对照增加；微集水处理的０～２００ｃｍ土层的蓄水量，在玉米苗期、需水关键期和成熟收获期均比对照增加；农田微集水保墒技术有调控农田蒸散量的作用；农田微集水保墒技术有明显的增产作用，且在旱年更为显著；
This paper analyses the effect of water storage and soil moisture conservation by means of micro water collecting technology in the dryland field of spring maize. The results indicate that the rainfall infiltration depth is deeper by means of micro water collecting treatment than that of control. In micro water collecting treatment, the amount of soil water storage within 0～200 cm soil layer increases by 50.5 mm, 13.5～58.6 mm, and 24.5 mm during seedling stage, the critical stage of water requirement and harvesting stage respectively compared with the control. The micro water collecting technology has the function of regulating and adjusting the amount of field evapotranspiration, which results in an obvious effect of increasing crops yield, especially in the dry year. Micro water collecting technology can raise the water use efficiency.
出处
《农业工程学报》
EI
CAS
CSCD
北大核心
1996年第2期28-33,共6页
Transactions of the Chinese Society of Agricultural Engineering
关键词
旱地保墒
玉米
微集水技术
水分利用效率
Soil moisture conservation in dryland Spring maize yield Micro water collecting technology Water use efficiency
