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- Study on the Different Methods of Calibrating Shallow Soil Moisture Content Measured with Neutron Instrument 提高中子浅层测湿精度率定方法的比较研究
- shallow soil moisture content 浅层土壤水分
- The soil moisture content must be maintained at a relatively high level. 必须将土壤墒情保持在一个较高的水平上。
- Both ion diffusion and transport of ions to the root surface by mass flow appear to be dependent on soil moisture content. 离子扩散和通过质体流动把离子运送到根表面,看来似乎都取决于土壤的含水量。
- The optimum soil moisture content index about tomato seedling bed irrigation was conducted out in early spring . 对番茄早春育苗的苗床灌溉最佳土壤含水量上限数值进行了试验研究。
- It is concluded that 90% is the optimistic soil moisture content for tomato seedling bed irrigation. 因此认为番茄苗床灌溉土壤含水量最佳上限为90%25。
- 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。
- The number of chloroplast per cell and number of amyloid per chloroplast were lower when the soil moisture content was lower. 叶绿体超微结构观察表明:土壤含水量的减少明显地降低叶片细胞的叶绿体数目及每个叶绿体内的淀粉粒数。
- The adjustable packer was designed, and its pressure could be adjusted by spring according to the soil moisture content. 设计了可调镇压器,可根据土壤含水率不同,适当调节镇压强度。
- The nu mber of chloroplast per cell and number of amyloid per chloroplast were lower when the soil moisture content was lower. 叶绿体超微结构观察表明:土壤含水量的减少明显地降低叶片细胞的叶绿体数目及每个叶绿休内的淀粉粒数。
- We studied the relation between soil moisture content during the period of Reaumuria soongorica seedlings and their survival rate. 干旱荒漠环境对植物生存是极端严酷的,植物在荒漠条件下生存,有其特殊的适应机制;它们以一种或几种方式适应其生存环境]。
- After analyzing the out-put, the suitable soil moisture content was confirmed to be 80% of the field capacity after the maize jointing period. 通过产量分析,确定了夏玉米作物拔节后适宜的土壤含水率为田间持水量的80%25。
- Soil moisture content in mulched plots were higher than those in non-mulched plots, and ET rate in mulched plots is less than those in non-mulched plots. 其中有覆盖的小区土壤含水率高于裸地,覆盖的小区日均土壤水分蒸发量小于裸地。
- Compared the soil moisture content of different site types: semi-shady slope>semi-sunny slope >sunny slope, the mean different is significant among three stands. 对比不同立地刺槐林地的土壤水分状况:半阴坡>半阳坡>阳坡,三个立地之间土壤水分差异显著。
- The results indicate that there is significant difference with horizontal soil moisture content to drip line and vertical soil moisture content to sprinkler. 说明以滴头灌溉水平方向土壤含水率水平方向分布偏差小、灌溉均匀性高,而滴灌毛管则适合深层灌溉。
- For Oriental migratory locust soil moisture content has direct impact to site selection for egg lay of the locusts, and their egg development and hatching. 对于东亚飞蝗来说,土壤含水量对飞蝗产卵地选择、蝗卵的发育和孵化等有直接影响;
- Although the biomass and yield of rice had been hardly affected by soil moisture content, when it was 80% or 100% of saturated water content (SWC), but markedly by soil moisture content 60% of SWC. 土壤含水量为饱和持水量的60%25时对旱作水稻生物量和产量影响较大,而80%25和100%25时几乎没有影响。
- The planted have been bedded in shallow soil. 植物被种到薄土中。
- Palmaceae could grow normally under full exposure.The optimum soil moisture content for the growth of Araceae was higher than 80%, Agavaceae higher than 70%, and Palmaceae higher than 55%. 不同科植物之间对土壤水分的需求差异较大,天南星科植物要求最高(大于80%25),其次是龙舌兰科,为70%25,棕榈科植物要求较低,为55%25;
- Both field and pot experiments were carried out to study effects of interaction between soil moisture content and P application rates on biomass and yield of rice cultivated in aerobic soil. 通过盆栽和大田试验研究了水和磷互作对旱作水稻生物量和产量的影响。