3) water consumption
耗水规律
1.
The effects of planting patterns on rules of water consumption based on precision irrigation system were studied respectively in Yucheng ecological experiment station of the Chinese Academy of Sciences and experimental plot of Shandong Agricultural University in 2002-2004.
本试验于2002-2004 年在中国科学院禹城生态试验站和山东农业大学试验田完成,通过对冬小麦-夏玉米两熟、秸秆覆盖、沟播、垄作和“20+40”畦播五种种植方式的土壤水分状况变化特点及水分利用效率的分析,研究了精准灌溉条件下种植方式对作物耗水规律的影响,旨在寻找适合精准灌溉的种植方式,结果如下: 1 种植方式对土壤水分及作物水分利用效率的影响不同种植方式下,灌水处理间的表土层土壤水分变化幅度均较大,且随土壤层次增深,其变化幅度越来越少。
4) water consumption rule
耗水规律
1.
The varying mles of Waerchestnut s water consumption in the whole planing period under nonnal irrigaion condi-tion, the waterchestnut s water consumption rules under different moisture conditions, the relationship between Waterchest-nut s waer consumption and meteorology, the relationship bebeen waer-chestnut s water consumption and its yield, are ex-plored by experimental researches.
在4年的试验研究成果基础上，探求了马蹄的耗水规律，对正常灌溉条件下马蹄耗水量在全生育期内的变化规律、不同水分条件下马蹄的耗水规律、马蹄耗水量与气象的关系、马蹄耗水量与产量的关系等4个方面进行了实验研究，并由此提出了马蹄的合理灌溉模式，为马蹄的节水灌溉和高产优质提供了基本依据。
2.
Through the test of supplementary irrigation by using small pipe flow,soil moisture and water consumption rule for local fruit trees were analyzed.
通过对宁夏西吉县聂家河流域果树小管出流补灌试验,分析和探讨了该地区主要果树的土壤水分和耗水规律,在此基础上制订了几种果树小管出流补灌制度,为该地区果园水分合理管理提供依据,也为当地水资源合理利用提供参考。
6) water consumption law
耗水规律
1.
Experimental research of the sugar beet water consumption law in the west semi-arid area
半干旱区甜菜耗水规律试验研究
2.
Through irrigation tests,this paper reveals the water consumption law of maize in Fenhe River Irrigation Area,probes into the relationship between the water consumption and the yield,and advances the optimized water-saving irrigation system in the test year.
通过灌溉试验揭示了玉米在汾河灌区的耗水规律,探讨了耗水量与产量的关系,提出了试验年的优化节水灌溉制度。
3.
It has an important scientific value and productive meanning to studying the maize water consumption law and the distribution of water-nitrigen in farmland under film hole irrigation as the development of water-saving agriculture and the obvious problem of groundwater contamination.
随着节水农业发展的需求和由于施用氮肥而引起的地下水环境污染问题的日益突出,研究膜孔灌玉米的耗水规律和农田氮素的分布特性具有十分重要的科学价值和生产实践意义。
补充资料：田间耗水量
田间耗水量
field water consumption
t ianiian haoshuiljang田间耗水盆(field water eonsumption)在作物整个生育期中，农田消耗的总水量。以毫米或米“/亩计。在水田，田间耗水量为作物需水量(见作物需水t)与渗漏量之和:在旱地，田间耗水量通常看作作物需水量。所以，在灌溉工作中，常以作物的最大蒸散量为耗水量。 水田渗漏量包括田面垂直渗漏和田埂旁侧渗漏。在较大面积上，主要是田面垂直渗漏。这部分水不能为作物根系吸收，但保持适宜的渗漏速度，有利于土壤中空气的交换。渗漏量大小与土壤条件、农业措施、地形地势、水文地质条件以及水田分布等有关。 水田的田间耗水量测定，一般采用田测法。生产中，为防止过量渗漏和减少无效蒸散，还需对作物需水量和渗漏量分别进行测定。用坑测法(有底测坑)测出需水量(蒸散量)，再用已测田间耗水量减去需水量，即为渗漏量。(丁正熙)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条