2) fertigation frequency
滴灌施肥频率
1.
Effects of nitrogen rate and fertigation frequency on nitrogen uptake and yield of hybrid cotton were investigated through field experiment under drip irrigation conditions.
在滴灌条件下进行了不同氮肥用量和滴灌施肥频率对杂交棉氮素吸收和产量影响的大田试验研究,试验中设置3个施氮(N)(270、360和450 kg。
3) high-frequency drip irrigation
高频滴灌
1.
Experimental research on water consumption of the cotton under high-frequency drip irrigation mulched with plastic films;
膜下高频滴灌棉花田间耗水规律的试验研究
4) recirculation frequency
回灌频率
1.
The result indicates that the hydraulic loading has significant effect on the nitrogen removal of the simulated landfill,followed by the recirculation frequency,and the semi-aerobic landfill can significantly accelerate the stabilization of the solid wastes,indicating full recharge is an effective the ultimate disposal of solid wastes.
依据准好氧填埋原理,设计了准好氧垃圾填埋模拟柱,按照L4(23)正交实验表安排了正交实验,实验结果表明,水力负荷对准好氧填埋模拟柱氨氮的去除有显著的影响,回灌频率次之;准好氧填埋可显著缩短垃圾体稳定的时间,是一种值得推广的垃圾最终处理方式。
2.
An orthogonal test is arranged as per L4(23)orthogonal test table,with hydraulic load and recirculation frequency as two factors.
依据准好氧填埋原理,设计了准好氧垃圾填埋模拟柱,以水力负荷,回灌频率为因素,按照L4(23)正交实验表安排正交实验。
5) irrigation frequency
灌水频率
1.
Effect of surface irrigation frequency on soil water and temperature as well as growth of spring maize;
地面灌灌水频率对土壤水与温度及春玉米生长的影响
2.
Study on effects of irrigation frequency on soil water-transport of line source permeation under subsurface drip irrigation;
灌水频率对地下滴灌线源入渗土壤水分运动规律影响的试验研究
3.
Effects of drip irrigation frequency on the farmland soil water-heat distribution and spring maize growth in North China;
华北地区滴灌灌水频率对春玉米生长和农田土壤水热分布的影响
6) Irrigation frequency
灌溉频率
1.
Effects of irrigation water quality and irrigation frequency was investigated on growth parameters of cotton seedling in an unheated rain preventing greenhouse.
研究了滴灌水质与灌溉频率对棉花苗期生长的影响。
补充资料：频率计量(见时间频率计量)
频率计量(见时间频率计量)
frequency metrology: see time and frequency metrology
口n IQ liliang顷率频率计皿(f比quency metrolo盯) 计t。见时闰
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条