The evaporation rate and the daily evaporation were increased with the increase of storage irrigation norm.
日均蒸发量和蒸发率随着储水定额的增大而增大。
For increasing the utilization percent of water, it should be adjusted irrigation norm when the rainfall got more.
当生育期降雨量增多时，可适当调整灌溉量，以提高水分利用率。
The result indicates that there are obvious differences between irrigation with spate and clear water in large irrigation norm.
研究结果表明，在大灌水定额下，清、洪水灌溉差异明显。
Through experimental researches on the relations between changes of soil moisture, soil salinity, groundwater table and autumn irrigation norm, practical and feasible autumn irrigation norm...
通过土壤含水率、土壤盐分、地下水位的变化与秋浇定额关系的试验研究，确定出切实可行的秋浇定额，实施科学、合理的秋浇制度。
Under these principles, state-reserved water right, irrigation water right, water right allocation and gross control, water norm management, and water permission system have been considered.
在这些原则下，考虑国家预留水权、农业水权，以及水权分配与总量控制、定额管理、取水许可等。
Under these principles, state-reserved water right, irrigation water right, water right allocation and gross control, water norm management, and water permission system have been considered.
在这些原则下，考虑国家预留水权、农业水权，以及水权分配与总量控制、定额管理、取水许可等。
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