• Table 2 Effect of irrigation rate on tomato growth and yield

    2不同灌水量番茄产量影响

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  • A mathematical model for irrigation rate graph adjustment is proposed in this paper.

    提出灌水图形调整数学模型

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  • The subsurface irrigation and drip irrigation decreased significantly the irrigation rate and increased significantly water use efficiency.

    采用滴灌渗灌栽培水量显著减少,极大地提高了水分生产率

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  • Under sprinkling irrigation, when the irrigation rate exceeded 150mm after the wheat returned green, its effect on leaf water potential decreased.

    喷灌条件下,返青水量超过150mm时,灌水量水势影响减小

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  • Mountain glaciers in Asia are melting at a rate that could eventually threaten water supplies, irrigation or hydropower for 20-25% of the world's population, the report said.

    报告指出,亚洲高山冰川现在的速度融化最终威胁到世界20- 25%人口供水灌溉水力发电。

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  • The irrigation prescription map is the significant precondition for variable rate irrigation.

    实现变量灌溉重要前提生成变量灌溉处方

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  • The research results show that at a premise of prior consideration for irrigation mode of higher guarantee rate of basic water usage, farmer will choose an irrigation mode of minimum irrigation fee.

    研究结果显示优先考虑基本用水保障率较高灌溉方式前提下,农户选择一种灌溉费用最小的灌溉方式;

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  • Owing to the difference of soil water in the farm, variable rate irrigation can save water as well as raising economy benefit.

    依据农田土壤含水量的差异性,有针对性地进行变量灌溉,既节约用水可提高经济效益。

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  • The different irrigation quantity has significant effect on growth rate and underground biomass of Tall Fescue.

    不同水量羊茅生长速度地下生物量增加影响显著

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  • Border irrigation current advancement process model plays an important role to determine irrigation technical index, average field infiltration rate and roughness coefficient.

    畦灌水流推进过程计算模型确定灌水技术要素田间平均入渗有十分重要作用

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  • By introducing the basic concept of precision irrigation system, This paper put forward that VRT (Variable Rate technology) is the pivotal technology of precision irrigation.

    本文通过精准灌溉系统基本概念论述,提出变量技术精准灌溉的技术关键

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  • Both average milking rate and maximum milking rate were main yield-increasing mechanism of supplementing irrigation with catchment rainfall in dryland field.

    籽粒平均灌浆速率最大灌浆速率提高旱田补作物增产主要机制

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  • Applying auxiliary irrigation with collected rainwater will improve rainwater use rate, ameliorate soil water content and effectively resist drought.

    梯田地采用集流措施提高天然降水利用率,明显改善梯田地土壤水分状况,有效抵御旱灾

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  • Within a certain range, the rate of water saving might be improved by adding number of irrigation cycles and shortening the period of irrigation cycle.

    一定范围内适当缩短周期灌水时间增加灌水周期提高涌流畦灌节水

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  • The screen model determines primary irrigation scale and, based on the primary scale, the long-run optimal operation model determines the irrigation scale that conforms to irrigation guarantee rate.

    筛选模型用以灌区的大致范围,长系列模型是在筛选基础确定符合灌溉保证率的灌区规模

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  • The low rate of sowing, wide space between rows, proper amount of nitrogen and phosphorous and a timely irrigation also had good effect on seed production of sainfoin.

    播量行距、施适量肥料、适时灌溉红豆草种子生产良好效果

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  • Changing irrigation method from continuous irrigation to surge flow irrigation can improve water salt distribution pattern under the condition of same precipitation rate.

    因此灌水方式改变在不增加水量的条件改善了土壤分布状况。

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  • The results showed that, when precipitation rate was the same, the moisture content in 0~100cm soil layer presented difference between surge flow irrigation and continuous irrigation.

    结果表明水量相同时,灌水结束后波连续0~100cm土层含水率整个畦田上存在较大差别。

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  • The results indicated that root-divided alternative irrigation could increase root activities, photosynthesis rate and water use efficiency of tobacco leaf, but decrease transpiration rate;

    结果表明,分交替灌溉增强株的根系活力,保持较高光合速率降低蒸腾速率,提高叶片瞬时水分利用效率

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  • Axial flow pump with flow rate, head low, which is widely used for agricultural irrigation and urban water supply.

    轴流泵具有流量大、扬程的特点,广泛用于农业排灌城市供水等领域。

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  • The results indicate that the average infiltration rate reduces with the increase of the irrigation quota.

    结果表明在试验条件下平均入渗速度灌水定额增加减小

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  • The diurnal change of transpiration rate of maize in different disposals was studied in potted experiment under the alternative drip irrigation for the control of root.

    以盆栽玉米为试材,研究控制性分根交替滴灌供水方式不同处理蒸腾速率变化

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  • The variation principles of the throw distance, flow rate and rotation speed of variable-rate sprinklers for precision irrigation on square area were given.

    通过理论分析,给出方形喷洒域变量施水精确灌溉喷头射程流量转速应服从的变化规律和计算公式。

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  • The water-reusing rate of industry is only 47%. And the agriculture also has a wasteful irrigation. Its utilization rate of water resources is not up to 50%.

    工业用水重复为47%,农业灌溉用水极其浪费水资源利用率不到50%。

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  • At the same time, the multiple cropping index, irrigation area, grain yield and the rate of irrigation had been improved increasingly.

    耕地灌溉率、复种指数、耕地灌溉面积粮食产量不断提高

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  • With more than 40% of prolonged cure rate, silver nitrate irrigation of renal pelvis remains as a simple but efficient method in treating filarial chyluria.

    硝酸冲洗肾盂治疗丝虫性乳糜尿一种简易有效方法

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  • The low rate of sowing, wide space between rows, proper amount of nitrogen and phosphorous and a timely irrigation also had good effect on seed pr...

    播量行距、施适量肥料、适时灌溉红豆草种子生产良好效果

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  • While for the treatments stressed in seven-leaf stage, photosynthetic rate was higher than CK after recovery of full irrigation from mild water stress but lower from severe stress.

    七叶期轻度胁迫处理叶片光合速率超过对照重度胁迫较低

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  • A new type of equipment for spray irrigation pressure and flow rate control is introduced, including its operational principle, components, characteristics and the design basis.

    介绍喷灌压力流量控制设备工作原理组成特点,以及设计依据。

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  • A new type of equipment for spray irrigation pressure and flow rate control is introduced, including its operational principle, components, characteristics and the design basis.

    介绍喷灌压力流量控制设备工作原理组成特点,以及设计依据。

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