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底墒利用
相关语句
  soil moisture use
     Study on Effect Limited Water Supply on Growth of Roots and Soil Moisture Use of Summer Corn
     有限供水对夏玉米根系生长及底墒利用影响的研究
短句来源
     The experiments on the effect that five types of water supply treatment on the growth of roots and soil moisture use of summer corn are designed.
     设计5种不同供水处理进行对夏玉米根系生长和底墒利用的影响试验。
短句来源
  “底墒利用”译为未确定词的双语例句
     Field water consumption increased with the increase of irrigation, but the ability of water supply from SMBS decreased, which showed in the reduction of water supply amount, ascent of soil water supply layers and shortening of water supply duration. At last, the efficiency of SMBS utilization descended.
     随灌溉量的增加,农田耗水量也明显增加,但底墒供水能力下降,使底墒供水量减少、供水土壤层变浅和供水时期缩短,底墒利用效率降低。
短句来源
     Field water consumption increased with the increase of irrigation, but the utilization of soil moisture below 70cm was decreased.
     灌溉增加了作物耗水量,但减少了作物对土壤70cm以下水分的利用,降低了底墒利用效率。 试验表明,膜垄在保水保墒和土壤水分垂直分布方面表现出与秸秆覆盖完全不同的特点。
短句来源
     The soil moisture before sowing in the upper 0-50 cm layer was fully used by winter wheat, but insufficiently in layers below 50cm.
     冬小麦对上层 ( 0~ 50cm)底墒利用较充分 ,而对 50 cm以下土层的底墒利用率相对较低 . 提出了提高底墒供水率的技术和途径 .
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  相似匹配句对
     chinensis was successfully expressed in E.
     利用E.
短句来源
     By using of Z.
     利用Z .
短句来源
     Consumption Characterisitics and Effective Use of Available Soil Water Stored at Planting by Winter Wheat
     冬小麦底墒耗失特征及高效利用研究
短句来源
     Effect of available soil water at planting on growth of root, canopy and soil water use of winter wheat in field
     底墒对小麦根冠生长及土壤水分利用的影响
短句来源
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  soil moisture use
Comparisons of water loss from black Bellani plate atmometers with soil moisture use by crop plants in the field showed that the instrument gave but a very approximate measure of evapotranspiration.
      
Observed soil moisture and rainfall and simulated soil moisture use during the period.
      


In 1997-1999, two winter wheat experiments were carried out in the Gucheng Agrometeorological Experimental Base of China Meteorological Administration: (1) supplied water only by soil moisture before sowing; (2) supplied water by rainfall and soil moisture before sowing. Results show that when the effective water supply amount in the 0-200 cm soil layer was 270-320 mm, the maximum water supply rate of effective soil moisture before sowing in the 0-200 cm soil layer was 72%, while in the 0-50 cm layer, 90%...

In 1997-1999, two winter wheat experiments were carried out in the Gucheng Agrometeorological Experimental Base of China Meteorological Administration: (1) supplied water only by soil moisture before sowing; (2) supplied water by rainfall and soil moisture before sowing. Results show that when the effective water supply amount in the 0-200 cm soil layer was 270-320 mm, the maximum water supply rate of effective soil moisture before sowing in the 0-200 cm soil layer was 72%, while in the 0-50 cm layer, 90% and in the layers below 50 cm, 66%~70%. During sowing -jointing period, the water supply rates in all layers were higher than those during jointing-maturing period. The time limit of supplying soil moisture before sowing was the late grouting stage. In the dry farming wheat fields, the water supply rates of effective soil moisture before sowing in the 0-50 cm of the two experiments were similar. But in the other layers, the rate of experiment (2) is lower. The water supply depth of the winter wheat field in Gucheng was 3 cm. The soil moisture before sowing in the upper 0-50 cm layer was fully used by winter wheat, but insufficiently in layers below 50cm.

1997~ 1 999年在中国气象局固城农业气象试验基地进行了仅靠底墒供水和靠底墒、降水供水的小麦试验 ,结果表明在 0~ 2 0 0 cm土层有效底墒介于 2 70~ 32 0 mm时 ,0~ 2 0 0 cm有效底墒最大供水率为 72 % ,0~ 50 cm为 90 % ,50 cm以下为 66%~ 70 % .播种—拔节期各层供水率均大于拔节—成熟期 .底墒供水最长时限为灌浆后期 .靠底墒和降水供水 ( 70 .6mm)的旱作麦田有效底墒供水率除 0~ 50 cm层与仅靠底墒供水的相同外 ,其余各层的有效底墒供水率均低于仅靠底墒供水的处理 .河北省固城冬小麦水分供给层深度可达 3m.冬小麦对上层 ( 0~ 50cm)底墒利用较充分 ,而对 50 cm以下土层的底墒利用率相对较低 .提出了提高底墒供水率的技术和途径 .

The experiments on the effect that five types of water supply treatment on the growth of roots and soil moisture use of summer corn are designed. The results indicate: the effect limited water supply on the roots length is remarkable than that on the biomass of root, and limited water supply can urge the summer corn to use soil moisture more, the water supply is little and the use of soil moisture is higher which reflects the physiological adaptation mechanism and drought-resistant ecological response of summer...

The experiments on the effect that five types of water supply treatment on the growth of roots and soil moisture use of summer corn are designed. The results indicate: the effect limited water supply on the roots length is remarkable than that on the biomass of root, and limited water supply can urge the summer corn to use soil moisture more, the water supply is little and the use of soil moisture is higher which reflects the physiological adaptation mechanism and drought-resistant ecological response of summer corn to drought caused by soil water deficiency. Among the five types of water treatment, when the water supply quantity is 151.3 mm and consumed water quantity is 190.1 mm, the harvest index and water use efficiency of summer corn are the highest. Changing the traditional cultivation concept of high harvest with high water supply, pushing limited water supply, properly arranging the irrigation during growing period, increasing water use efficiency and exerting the adjustment function of soil reservoir, then the ecological agriculture purpose of having steady yield with less water will be obtained.

设计5种不同供水处理进行对夏玉米根系生长和底墒利用的影响试验。结果表明,有限供水对夏玉米根长的影响效应比根生物量显著,有限供水能促使夏玉米更多地利用土壤底墒,供水少,底墒利用率高,凸现出夏玉米对土壤缺水干旱的生理性适应机制和抗旱生态反应。5种供水处理以供水151.3mm,耗水190.1mm的夏玉米产量收获指数和水分利用效率最高。改变高水高产的传统耕作观念,推行有限供水,生育期内合理调配灌水量,提高水分利用效率,发挥土壤水库的调节作用,达到稳产又节水的生态农业目的。

Based on multi-year precipitation and soil moisture state,Fuxin decision-making meteorological service methods were developed in this paper,including "Predicting available soil water at planting in the key period of spring seeding based on autumn precipitation","Predicting soil water increment in the key period of spring seeding by precipitation from March to April","Predicting osmotic depth based on precipitation",and "Predicting drought trend based on the descending ratio of soil water".These methods were...

Based on multi-year precipitation and soil moisture state,Fuxin decision-making meteorological service methods were developed in this paper,including "Predicting available soil water at planting in the key period of spring seeding based on autumn precipitation","Predicting soil water increment in the key period of spring seeding by precipitation from March to April","Predicting osmotic depth based on precipitation",and "Predicting drought trend based on the descending ratio of soil water".These methods were applied to agricultural meteorological service.

应用阜新地区多年降水和土壤墒情气象资料,研究并建立了针对阜新地区的“利用秋季降水预测春播关键期土壤底墒”、“利用3~4月降水预测春播关键期土壤增墒量”、“利用降水量预测降水渗透深度”和“利用墒情递减率预测旱情趋势”等决策气象服务技术方法,并投入业务使用。

 
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