soil factors

Lhodak's agriculture natural factors , heavy soil erosion, low cultivation quality and environment fragility.

耕地质量差,水土流失严重, 农业生态系统脆弱等.

Study on Year-cycle of Soil Factors from the Chlorosis of Camphor Tree

樟树黄化土壤因子年周期变化规律的研究

Taking account of the economic and safety factors of various treatment techniques, it has been recommended that the dioxin contaminated soil would be treated by the indirect thermal desorption method.

通过经济及安全等方面的比选，采用非直接热力解吸法处理二恶英污染土。

The situation and stability of soil structure also were affected by anthropogenic factors and environmental factors.

所以，土壤表层结构性状对土壤抗蚀性起着重要的影响与作用。

Analysis of the Soil Factors for Existing Nostoc flagelliforme

发菜生长地的土壤因子分析

Combining the perpendicularity list with theory of utility function and ANN, the thesis fully analyzes the sensitive ANN which influences the factors of soil pressure, and sets up ANN assessment model to achieve sensibility analysis.

把正交表试验设计理论、效用函数理论与神经网络结合起来进行土压力影响因素敏感性的人工神经网络分析，并建立了敏感性分析的神经网络评价模型。

The factors which effect on the infiltration are analysis, including parameters in VG model, soil distribution, angle of slope, rainfall duration and the predicting model for the coefficient of permeability of unsaturated soil.

对现场土坡形态进行简化，以简化后的土坡作为计算模型，分析了VG模型参数、土层分布、坡比、降雨持续时间和非饱和渗透系数推定模型的选择对数值模拟结果的影响。

Study on Limiting Factors of Soil Nutrient in Xinjiang Cotton Field

新疆棉田土壤养分限制因子的系统研究

The seepage and erosion are primary dynamic influence factors on bank failure; and the soil composition, soil distribution and slope angle of bank are primary internal influence factors on bank failure.

指出了坡内的渗流作用与坡前水流的冲刷作用是岸坡发生崩塌的主要动力因素，而岸坡土体的物质组成和分布、岸坡坡度等则是岸坡发生崩塌的主要内在因素；

Major factors of the pear iron chlorosis were determined through soil testing and leaf analysis.

通过对酥梨缺铁黄化症的土壤分析、叶片分析来确定诱发黄化的主要因素.

Weed germination is influenced by many factors, especially by soil temperature, water content, pH, texture and the depth where seeds are located.

杂草出苗除了因杂草种类不同以外，还受到多种因素的影响，特别是土壤温度、含水量、质地和所在土层深度。

Character research of plantation and soil factors in restoration process in sandlot near altiplano bashang

接坝农牧交错区沙化地生态恢复过程中土壤因子与植被特征分析

This paper mainly introduced the process of natural attenuation of zinc in soils from the effects of major factors including soil temperature, moisture, pH, organic matter, amendable and organic materials, chemical fertilizers, cultivating plants, etc.

从影响土壤锌自然消减的因素方面，阐述了锌自然消减的研究进展。土壤锌自然消减受温度、水分、pH值、有机质、改良剂、化学肥料、栽培植物等因素的影响。