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- There is a serious loss of soil moisture. 土地失墒严重。
- percentage of soil moisture 土壤含水率
- The study of soil moisture bearing capacity of stand on slope of west of Shanxi province. 晋西黄土区坡面林地土壤水分承载力研究。
- On the basis of deep turning of soil, fertilizing with suitable percentage of N, P, K nutrition also can prevent plants from the disease. 在深翻的基础上施适当比例的N、P、K肥,以增强毛竹的抗性,防治病害效果明显。
- BSM is modified to calculate the scattering coefficient and emissivity of soil moisture profile. 其结果和KM模型一致,表明了BSM模型的正确性。
- With the increases of soil moisture, the time of maximum leaf-air tempe-rature difference extended. 结果表明:光照强度对小麦叶气温差的控制强度随着土壤湿度的增大而逐渐减弱。
- What percentage of the earth is covered by oceans? 地球上百分之多少被海水覆盖着?
- The laws of soil moisture variations on the state of evapotranspiration in Heihe areas has studied. 研究了甘肃黑河地区麦田土壤水分的变化动态。
- We have only a small percentage of foreign books. 我们只有一少部分外文书。
- By using this system the soil moisture content in Beijing can be monitored and the distribution map and the isoline chart of soil moisture content can be plotted in time. 同时,系统还可利用增退墒模型、人工神经网络模型和时间序列模型进行土壤墒情预测和预报。
- Effect of Soil Moisture Status on Some Eco-Physiological Indexes of Dominant Tree Species in the Pine Broadleaf Forest of Changbai Mountain. 土壤水分状况对长白山阔叶红松林主要树种叶片生理生态特性的影响
- What percentage of children were absent? 缺席的学童占百分之几?
- Each of them got a percentage of the profits. 他们每个人都得到一部分利润。
- Q. Zhang, A. Werner, F. Aviyanto, J. Hutson. Influence of soil moisture hysteresis on the functioning of capillary barriers. Hydrological Processes. 左海军,张奇,徐力刚,李丽娇,叶许春.;农田土壤氮素径流损失的影响因素及其防治措施研究
- Whisky contains a large percentage of alcohol. 威士忌所含酒精的百分比很高。
- Spatial variability of soil moisture in the irrigation district is analyzed by integrating Geostatistics and general theory of statistics. 将提出的墒情监测方法及区域土壤水分预报方法,应用于构建整个灌区的实时灌溉预报模型之中,并在灌溉预报过程中进行实时修正。
- They are researched a little on part of soil conservation action, soil moisture, soil nutrient, and the underground portion of intercrop. 提出间套作在栽培措施方面应注意的关键问题:合理安排间套作作物的播种期和移栽期;
- We simulated the everyday change of soil moisture, inputing irrigation, meterological data and prophase soil moisture in 2003. 利用田间试验区2003年的灌溉水量、常规气象资料和前期土壤含水量,以日为时段对土壤水分变化过程进行模拟研究。
- What percentage of his income is taxable? 他的收入有多少需纳所得税?
- Cultivation by covering with plastic film can effectively restrain the invalid evaporation of soil moisture, especially before the period of jointing. 覆膜栽培可有效抑制农田水分的无效蒸发,具有明显的抗旱增产作用。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries