The different irrigation quantity has significant effect on growth rate and underground biomass of Tall Fescue.
不同灌水量对高羊茅生长速度、地下生物量的增加影响较显著。
The error between field test and forecast is satisfied. So this model can provide a practical and convenient way for forecasting irrigation quantity and date.
为今后膜下滴灌一膜一管模式灌水量与灌水时间提供了较为简便实用的模型。
Results showed that nitrogen quantity was the chief factor to affect spring maize yield, irrigation quantity was the second factor, phosphorus quantity was the third.
结果表明，在试验年施氮量对产量影响最大，灌溉量次之，施磷量最小。
The study in this paper has the directive significance for choosing dripper discharge and interval of water dropper, as well as, designing irrigation quantity for line source drip irrigation.
该研究对线源滴灌滴头流量、滴头间距的选择以及灌水量的设计有指导意义。
Flow measurement is an important means for using water according to plan and charging according to water quantity in irrigation district.
灌区量水是灌区实行计划用水、按方收费的重要手段。
But in practical operating, the quantity and the timing of fertilization and irrigation can not be controlled exactly and optimally.
但是在实际操作中灌溉量、施肥量与灌溉和施肥的时机都不容易实现最优化控制。
The results show that the system can irrigate at proper time and adequate quantity, and effectively fulfills water-saving irrigation.
实际运行表明，该系统能根据土壤水分适时、适量灌溉，有效地实现了节水灌溉。
It main observation reed growth dynamics, seedling rate, leaf area, dry matter quantity, the number of weeds and irrigation, and other parameters and indicators.
主要观测芦苇的生长动态、出苗率、叶面积、干物质量、杂草数量和灌水量等参数及指标。
Although sewage irrigation can provide some nutrients, it was necessary to add proper quantity of nitric fertilizer.
虽然灌溉污水能够提供一定的养分，但对冬小麦适量施用氮肥仍然很有必要。
The results indicated that: the dry material accumulation quantity and filling duration under full irrigation were higher than that of drought condition;
结果表明：灌水处理条件下，不同品种干物质积累均较自然降水条件下干物质积累重有所提高，且不同程度的延长了灌浆持续时间；
This method can decrease water quantity 33%, promote water using efficiency 40% compared with pouring irrigation, can also decrease nitrogen fertilizer quantity as well.
应用表明，采用潮汐灌溉方式的作物，其生长量明显优于人工浇灌方式，还可减少用水量33%，提高水分利用效率40%，还可减少氮肥使用量。
This method can decrease water quantity 33%, promote water using efficiency 40% compared with pouring irrigation, can also decrease nitrogen fertilizer quantity as well.
应用表明，采用潮汐灌溉方式的作物，其生长量明显优于人工浇灌方式，还可减少用水量33%，提高水分利用效率40%，还可减少氮肥使用量。
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