Based on the results of experiments,the process of biomass accumulation and soil water consumption of alfalfa has been simulated with mathematical statistical method,so as to find the character of its accumulated biomass and the law of soil water utilization.
通过种植试验分析,用数理统计方法模拟了紫花苜蓿生物量累积过程及土壤水分消耗过程,揭示了紫花苜蓿的生物量累积特点及其土壤水分利用规律。
The effect of classification is good,and can be applied on soil classification.
利用自组织特征映射网络(SOM网络)的聚类功能,对三江平原地区的21个土壤采样进行了分类,指出SOM网络可以很好的反映、提取土壤样本间复杂的信息,分类效果较好,可以在土壤分类中应用。
The area of Black soils was varied in documents in China,that was caused by different system of soil classification.
黑土的分布面积在文献中有不同的记载,这主要是由于不同的分类体系产生的,论述了在国内有影响的五个土壤分类体系对黑土的界定,并说明不同分类体系黑土的面积。
The research of soil classification and soil grade evaluation is often based on fuzzy theory.
以往的土壤分类与等级综合评价多是建立在模糊数学 (Fuzzy)基础上的模糊聚类分析与模糊综合评判 ,因此不可避免的涉及权重矩阵人为干扰 ,导致分类与评价结果的人为倾向。
Then, progresses in classifying the soils in the maritime Antarctic respectively within the frames of the Soil Taxonomy and the World Reference Base for Soil Resources are outlined.
本文简要论述了早期南极土壤分类研究工作。
Effects of Land Use on Soil Quality in North-west of Shanxi Province;
晋西北不同土壤利用方式下土壤质量变化研究
Current Situation of Farmland Soil Utilization and Countermeasures of Soil Protection in Fuzhou City;
福州市耕地土壤利用现状与保护对策
The Utilization of Microorganism to Improve the Soil Fertility;
利用土壤微生物改善土壤质量的研究
The Effects of Land Use Change on the Soil Organic Carbon and the Soil Respiration;
土地利用变化对土壤有机碳和土壤呼吸的影响
Advances in The Study of Soil Carbon Effect of Land-use Change;
土地利用变化的土壤碳效应研究进展
Spatial and temporal relationships between land use and soil mois ture in hilly area of the Loess Plateau;
黄土丘陵区土地利用与土壤水分的时空关系
The Application of Meta-analysis on the Land Use Effects on Soil in the Purple Soil Area
紫色土区土地利用对土壤影响的整合分析
Effects of Land Use Regimes on Soil Carbon in the Loess Plateau, Gansu, China
土地利用方式对陇中黄土高原土壤碳素的影响
Zinc in Brown Red Soil and Its Bio-utilization
棕红壤区土壤中的锌及其生物利用途径
Spatial-Temporal Variability of Soil Moisture in Relation to Land Use in Hilly-sloppy Lands of Red Soil Region;
红壤丘岗区不同利用土壤水分时空变异性
The different land use patterns affect soil physical property and soil fertility quality.
不同的土地利用方式影响着土壤的理化性质及土壤质量。
The Effect of Land Use Change on the Soil Organic Carbon and the Soil Aggregate Light Fraction Carbon;
土地利用变化对土壤有机碳和土壤团聚体轻组碳的影响
RESPONSES OF REGIONAL SOIL QUALITY TO LAND USE CHANGES--A CASE OF N ELEMENT;
区域土壤质量对土地利用变化响应研究——以土壤氮元素为例
Study on Land-use Changes and Its Effects on Soil Properties--A Case of Potassium;
区域土地利用方式变化对土壤性质影响研究——以土壤钾为例
Soil Nitrogen Content and Enzyme Activity in Different Utilization Types of Land in the Upper Reaches of Lancang River
澜沧江上游不同土地利用类型土壤氮含量与土壤酶活性研究
Retrieval of Bare Soil Moisture Using AMSR-E Data;
利用AMSR-E数据反演裸露地表土壤水分
Retrieving Soil Moisture Based on MODIS Data;
利用MODIS数据反演土壤含水量
Study on Impact Factors and Simulation for Polluted Soil Reuse;
污染土壤再利用影响因子及模拟研究