Table 2 Effect of irrigation rate on tomato growth and yield …
表2不同灌水量对番茄产量的影响。
A mathematical model for irrigation rate graph adjustment is proposed in this paper.
提出了灌水率图形调整的数学模型。
The subsurface irrigation and drip irrigation decreased significantly the irrigation rate and increased significantly water use efficiency.
采用滴灌和渗灌栽培的灌水量显著减少,极大地提高了水分生产率。
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,当返青后灌水量超过150mm时,灌水量对叶水势的影响减小。
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,亚洲高山冰川以现在的速度融化,最终将威胁到世界20- 25%人口的供水、灌溉及水力发电。
The irrigation prescription map is the significant precondition for variable rate irrigation.
实现变量灌溉的重要前提是生成变量灌溉处方图。
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,在优先考虑基本用水保障率较高的灌溉方式的前提下,农户会选择一种灌溉费用最小的灌溉方式;
Owing to the difference of soil water in the farm, variable rate irrigation can save water as well as raising economy benefit.
依据农田内土壤含水量的差异性,有针对性地进行变量灌溉,既可节约用水又可提高经济效益。
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。
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对确定灌水技术要素、田间平均入渗率和糙率有十分重要的作用。
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.
本文通过对精准灌溉系统基本概念的论述,提出变量技术是精准灌溉的技术关键。
Both average milking rate and maximum milking rate were main yield-increasing mechanism of supplementing irrigation with catchment rainfall in dryland field.
籽粒平均灌浆速率和最大灌浆速率提高是旱田补灌作物增产的主要机制。
Applying auxiliary irrigation with collected rainwater will improve rainwater use rate, ameliorate soil water content and effectively resist drought.
梯田地采用集流补灌措施能提高天然降水的利用率,明显改善梯田地土壤水分状况,有效抵御旱灾。
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.
在一定范围内,适当缩短周期灌水时间,增加灌水周期数会提高涌流畦灌的节水率。
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.
筛选模型用以初定灌区的大致范围,长系列优调模型是在筛选的基础上确定符合灌溉保证率的灌区规模。
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.
低播量、宽行距、施适量的氮磷肥料、适时灌溉对红豆草种子生产亦有良好的效果。
Changing irrigation method from continuous irrigation to surge flow irrigation can improve water salt distribution pattern under the condition of same precipitation rate.
因此灌水方式的改变在不增加灌水量的条件下改善了土壤水盐分布状况。
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,当灌水量相同时,灌水结束后波涌灌和连续灌0~100cm土层含水率在整个畦田上存在较大差别。
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,分根交替灌溉可增强烟株的根系活力,保持较高的光合速率,降低蒸腾速率,提高叶片瞬时水分利用效率;
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、扬程低的特点,广泛地用于农业排灌、城市供水等领域。
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随灌水定额的增加而减小;
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下,不同处理蒸腾速率的日变化。
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的射程、流量和转速应服从的变化规律和计算公式。
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%.
工业用水的重复率仅为47%,农业灌溉用水也极其浪费,水资源利用率还不到50%。
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;
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.
硝酸银冲洗肾盂仍为治疗丝虫性乳糜尿的一种简易而有效的方法。
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...
低播量、宽行距、施适量的氮磷肥料、适时灌溉对红豆草种子生产亦有良好的效果。
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在复水后超过对照,而重度胁迫较低。
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.
介绍一种喷灌的压力、流量控制设备的工作原理、组成、特点,以及它的设计依据。
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.
介绍一种喷灌的压力、流量控制设备的工作原理、组成、特点,以及它的设计依据。
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