English translation for "作物系数"
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- crop factor
Related Translations:
灌溉作物: irrigated cropirrigation crop 间作作物: catch cropcompanion cropintercrop 二年生作物: biennial cropbiennialcrop
- Example Sentences:
| 1. | The relationship established between kc and meteorological data indicated that crop coefficient ( kc ) increases as wind speed increases , or net radiation or relative humidity declines
作物系数和气象资料的线性拟合关系表明，作物系数随风速和冠层净辐射的增大而减小，随相对湿度的增大而增大。 | | 2. | Including irrigation time , frequency , and quantity of water , of which based on the evapotranspiration rate and crop coefficients in different months and the rank of visual appearance of different date
根据草坪质量与土壤含水量、土壤水势的相关性及作物系数、蒸发量等参数，准确计量其灌水时间、灌水量和灌水频率。 | | 3. | Drip irrigation under mul : h is a new irrigation method , as utiliz e the advance of drip irrigation and plastic film cultivation technique . the conditions influenced crop water requirement are changed in drip irrigation under mulch , thus crop water requirement pattern is different from conventional irrigation forms . it is very useful to research field mulched crops water requirement pattern watering with drip irrigation
膜下滴灌是地膜栽培与普通地表滴灌相结合的产物，在地膜覆盖和滴灌的综合效应下，作物的生长与在常规条件下不同，因此影响作物需水量的一些基本条件都发生了变化，对于膜下滴灌作物需水量和作物系数还需要做进一步研究。 | | 4. | ( 5 ) the synthetic draft curve was conducted by crop coefficient and relative soil moisture . the correlation in crop coefficient and relative water content takes on uniform trend comparing to the soil water deficient degree . in the whole growth season of cotton , the high correlation coefficient occurred in the period of seeding , which was declined in the period of blooming and flowering , whereas it was raised in the late period of cotton
( 5 )综合作物系数与相对含水率拟合关系表明，作物系数与含水率的相关性与土壤受旱的情况呈现相同的趋势，苗期的相关系数高，而到了蕾期偏低，花铃期更低，到了吐絮期有所升高，整体上表现为水分状况良好，相关性就越高。 | | 5. | ( 4 ) in 2001 , the average daily et of cotton in the whole growth season is 1 . 75mm / d , the total et is 307 . 48mm , and the average crop coefficient ( kc ) is 0 . 39 under deficient irrigation . in 2002 , the average daily et of cotton in whole growth season is 1 . 94mm , the total et is 337 . 04mm , and the average crop coefficient ( kc ) is 0 . 43 under sufficient irrigation
( 4 ) 2001年胁迫供水情况下，在整个生育期棉花的蒸发蒸腾量为307 . 48mm ，平均日耗水强度为1 . 75mm ，作物系数平均值为0 . 39 ； 2002年充分供水情况下，在整个生育期内棉花的蒸发蒸腾量为337 . 04mm ，平均日耗水强度为1 . 94mm ，作物系数平均值为0 . 43 。 | | 6. | In the fourth part , the field irrigated water requirement were gotten based on the recommended irrigation schedules and irrigated areas often crops . in this paper , the reference evapotranspition et0 in three counties in bid was computed by penman - monteith method and the crop coefficients , kc of ten crops by kcisa model and the crop water requirements , etc , were computed simply by kc et0 . meanwhile , four representative years by frequency analysis are gotten according to net irrigation requirements and planted areas of different crops in bojili irrigation district
本文首先采用fao最新推荐的penman - monteith方法计算灌区的参照腾发量et _ 0 ，用kcisa按照fao的计算方法推求十种作物的作物系数k _ c ；由此基础上计算出作物需水量et _ c ，根据结果分析了不同作物的需水规律；同时用作物缺水量nir (净灌溉需水量)进行频率计算，求出了灌区的四个代表年，并分析了代表年年内自然水分状况和作物缺水规律。 |
- Similar Words：
- "作物水分情况" English translation, "作物损失" English translation, "作物探测器" English translation, "作物外观" English translation, "作物微气候" English translation, "作物系统和全球变化实验室" English translation, "作物细菌性果实腐斑病" English translation, "作物纤维" English translation, "作物限制" English translation, "作物形态" English translation
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