Have root zone samples been submitted to a physical soil testing lab for analysis?
根系层土壤样本是否在实验室进行过物理性质分析？
Evapotranspiration, yield, production value, and soil moisture in root zone for 30 kinds of intercropping systems under different irrigation water application were studied in this paper.
对30余种间作套种组合种植作物的耗水量、产量、产值及其根区土壤含水量进行了分析研究。
The results showed that the allelopathic effects of extracts from Root-zone soil of Panax notoginseng on root length, seedling height, and fresh weight and NR activity of notoginseng were different.
为了探讨三七根区土壤提取物对三七幼苗的化感作用，以不同极性三七根区土壤提取物对三七幼苗进行生物测定。
The effects of wilting point, field capacity and initial amount of available soil moisture in root zone on soil moisture were positive.
凋萎湿度、田间持水量、整个根区初始土壤有效含水量对土壤水分影响为正效应；
On the basis of the experimental data in farmland, a function relationship between the potential evapotranspiration and the relative water content of the soil in the root zone was established.
以田间实验资料为基础，建立农田蒸散量和土壤相对含水量与潜在蒸散的函数关系。
In soil-plant-atmosphere continuum, plant root-zone water storage is an important water source.
在土壤-植物-大气连续统中，植物根区土壤贮水量是一个重要水源。
In the condition of spring irrigation and concentrated rainfall, the soil desalinized in root zone, and the accumulated salt due to saline water irrigation can be leached;
在春季河灌和汛期集中降雨淋洗的条件下 ，作物根层土壤不积盐 ；
For most crops, potash should be applied before or during soil preparation so it is incorporated into the root zone shortly before planting.
对于绝大多数作物，钾肥应在整地前或整地期间施用，以便使钾肥能在种植前的短时间内与根层混合。
For most crops, potash should be applied before or during soil preparation so it is incorporated into the root zone shortly before planting.
对于绝大多数作物，钾肥应在整地前或整地期间施用，以便使钾肥能在种植前的短时间内与根层混合。
应用推荐