确定了向日葵最佳灌水次数和灌水时段。
The optimal irrigation time and period for sunflower were designed.
采用本文推荐的灌溉制度，可以显著节约灌水量、减少灌水次数。
It is pointed out that times of irrigation would be deducted and water use could be saved in accordance with the irrigation procedure suggested in this paper.
但随着灌水次数的增加，田间耗水量增加，水分利用效率明显下降。
But as the number of irrigation increased, the field waters consumption increased and the water use efficiency remarkably declined.
通过播墒、灌水次数、播期对棉花的生长发育和产量的影响进行研究。
The study of influence of sowing humidity, irrigation and sowing time on the growth and yield of cotton was carried out in this paper.
随灌水次数增加，所有处理的土壤脲酶活性都有明显减少，与淋溶液氮素淋出量趋势相同。
The activities of urease of all the samples are lower with the time, and the trend is the same as the Leaching Less of urea.
随灌水次数增加，各品质性状变劣，其中灌2水或灌4水使部分品质性状显著或极显著下降。
Grain quality significantly decreased with the increase of irrigation times from 2 to 4. Cultivars differed in quality response to irrigation.
为保证饲草料地土壤水分的适时供给并获得稳产高产所确定的灌溉定额，灌水次数和灌水时间。
The irrigating water quota , number of irrigation and frequency of irrigation , which is sure to provide the water in time to the forage grass field and get highly stable yield .
在不同覆膜方式及灌水次数下，春玉米的耗水规律表现为生育前期少、中期多、后期略少的变化趋势。
Maize's water consumption rule performance for the birth earlier period few, the intermediate stage are spring many, the later period slightly few changes tendency.
产量则随灌水次数的增加而增大，2水和3水处理与4水处理相比较，产量差异并不明显，但耗水量却明显减少，实现了节水与高产的统一。
That yield difference is not evidence 2 waters and 3 water's treatment with 4 water, but water consumption reduced, it would achieve the source-sink of saving-water with high yield.
为了确定影响膜上灌玉米生长发育的主要因素，采用正交试验研究单种玉米小畦膜上灌条件下，不同灌水定额、灌水次数和氮磷配比对玉米生长发育和产量的影响。
Take orthogonal experiment to study the yields and growth of corn under the condition of different irrigation frequency, different irrigation water quota, different N/P and irrigation on film.
且适当减少小麦灌溉次数和灌水量对产量影响并不大，并能提高水分利用效率。
And appropriate to reduce the irrigation frequency and amount has little affects on yield, and can increase water use efficiency.
且适当减少小麦灌溉次数和灌水量对产量影响并不大，并能提高水分利用效率。
And appropriate to reduce the irrigation frequency and amount has little affects on yield, and can increase water use efficiency.
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