English translation for "net irrigation requirement"
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- 净灌溉需水量
Related Translations:
- Example Sentences:
| 1. | The first part is about the computing of crop water requirements ( or crop evapotranspiration ) and net irrigation requirements ( nir ) of ten crops in bojili irrigated district . then the traditional irrigation schedules of winter wheat and summer maize , which are the main crops in bojili , were evaluated with simulating model isareg . third , the field application efficiency in the experimental areas was evaluated from three methods 本文即是由灌区实测资料计算各种作物需水量,推求其净灌溉需水量;然后通过模型检验现行作物灌溉制度是否具有合理性,并对田间灌溉系统进行评价,求其实际田间灌溉效率;最后由两种不同灌溉制度方案的对比,确定试区合理的作物灌溉制度,在此基础上求出各代表年的田间灌溉需水量和用水过程线。 | | 2. | 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:
- "net investment required" English translation, "net invisible surplus" English translation, "net invoice price" English translation, "net ionic equation" English translation, "net irradiance" English translation, "net isotope fractionation" English translation, "net issues" English translation, "net jacket" English translation, "net jacquard" English translation, "net knot" English translation
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