The physical property of soil water was measured and studied by comparative experimental method in the main forest types in Xiaoxing 'an Mountains after harvesting.
采用对比实验的方法，对小兴安岭林区主要森林类型采伐后土壤水分物理性质进行了测定和研究。
The main types of soil degradation were of poor nutrients, poor microorganism, bad structure, basification and heavy drought.
库区土壤退化类型有贫养分化、贫微生物化、结构劣化、碱化和严重干旱化。
The dynamics of chemical types and main components in vertical profile of soil and groundwater in salt affected soil area are focused in this paper.
以河北曲周县北部盐渍土区为基地，重点研究了土壤和地下水以阴离子组分为基础的化学类型的动态，以及主要化学组分的垂向变化和动态。
Chestnut soil is one of the main types of soil in Inner Mongolia.
栗钙土是内蒙古自治区最重要的一种土壤类型。
It is shown that the main types of soil erosion are water erosion, wind erosion and frozen erosion in China.
研究结果表明：我国的土壤侵蚀以水力侵蚀为主，其次为风力侵蚀和冻融侵蚀。
But till now, the environmental behavior data of cyromazine and melamine in the main types of soil in China was still in blank.
但迄今环丙氨嗪和三聚氰胺在我国主要类型耕地土壤中的环境行为数据仍为空白。
The rock soil mass types and main engineering geological characteristics in Henan Province have been introduced in this paper.
本文介绍了河南省岩土体类型及其主要工程地质特征。
The main product has followed several types: Z1 type (stone soil, take the stone as the major and stone collapsed) : Bolt, support rope, steel mesh, the grid network.
主要产品有以下几种类型：Z1型(石夹土，以石为主、石崩)：锚杆、支撑绳、钢丝网、格栅网。
The canopy interception for rainfall, the infiltration and water-holding capacity of soil of main original secondary forest types in eastern mountain areas of Liaoning province were studied.
主要研究了辽宁东部山区天然次生林林冠截留降雨、林地土壤的渗透性能和贮水能力。
A split -plot experimental design was used with differing soil types in the main plots and differing rod shapes, travel speeds, rod speeds and tillage depths in the sub -plot.
本试验采用了裂区实验设计；土壤类型为主区，除草器的形状，转速、前进速度及耕深在小区内。
There are three main types synthetic soil conditioner available, derived from petroleum chemicals, the Tertiary period minerals and organic materials.
人工合成土壤结构改良剂可分为石油化工产品、第三纪矿物产品以及无机物与有机物相结合产品共三类。
Natural factors and artificial factors result in the sandification of the land in west Jilin Province. The resources types are divided into 3 main kinds, 11 types and 9 varieties of soil.
阐述了吉林省西部土地沙漠化的成因是自然因素和人为因素，资源类型分为3大类、11种类型、9种土壤种类。
It is illustrated that the land productivity, amount of straw returning and soil hydrological condition were main factors determining the differences in the SOC contents at various land-use types.
土地生产力、秸秆还田量和土壤水文状态是导致不同利用方式下耕层土壤有机碳含量差异的主要原因。
The results show that there is a certain difference of the contents of elements among the main 7 types of soil and a comparatively large fluctuation of element contents in the same soil sample .
结果表明，七种主要类型土壤相互间元素含量有一定的差异；同一土壤中元素含量波动较大。
From north China to south China, 32 samples of various types of soil were collected and main ecological factors which might affect the distribution of protease-producing bacteria were studied.
按我国土壤地理地带分布，从北到南采土样32个，从中分得细菌491株，并对每一菌株进行了形态学观察与描述。
And the relationship between sediment yield and its main influencing factors on the slopes of three different types of soil were established in the paper independently.
并分别建立了三种土质下产沙量与其主要影响因子的关系式。
And the relationship between sediment yield and its main influencing factors on the slopes of three different types of soil were established in the paper independently.
并分别建立了三种土质下产沙量与其主要影响因子的关系式。
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