农业土壤

internet网上旱地农业土壤灌溉和需水管理决策支持系统

Upland Agricultural Soil Irrigation and Need Water Management Decision Making Support System on Internet

中国农业土壤N2O排放量估算

N_2 O emission from agricultural soil in China

利用GIS和SPSS技术综合评价长葛市农业土壤肥力

Comprehensive Evaluation of Agricultural Soils in Changge City by using GIS and SPSS Techniques

甘肃主要农业土壤中Cu、Zn、Mn、Fe的形态及有效性研究

Study on forms and availability of cu , zn , Mn and Fe of principal agricultural

基于GIS的农业土壤侵蚀分级和退耕还林决策&以川西干旱河谷地区为例

Grading Agriculture Soil Loss Amount Integrated GIS and USLE : A Case of the Dry Valley Region in Western Sichuan Province

运用GIS和SPSS技术，对河南省长葛市主要农业土壤肥力进行综合评价。

The main agricultural soils in Changge city were comprehensively evaluated by using the technology of GIS and SPSS .

黔中非农业土壤CH4的地-气交换及其影响因素

Fluxes of CH_4 from Non-Agricultural Soils in Central Guizhou Province and Their Affecting Factors

工业型城乡交错区农业土壤Zn的空间分异及其影响因子探讨&以无锡市为例

Spatial Variability of Zn in Agricultural Soils and Its Affecting Factors in Industrialized Peri-urban Areas ── A Case Study of Wuxi City

农业土壤中铁、钛、铝的EDTA连续滴定分析法

Analytical Method by EDTA Continuous Titration of Fe 、 Ti 、 Al in Agricultural Soil

本文以东北农业土壤为研究对象，对有限元法（FiniteElementMethod简称FEM）在耕作土壤中的应用进行了探讨。

This paper took typical loam soil in Central Northeast China as an object of study and made an approach to the mechanism of two-dimensional cutting problems with the finite element method ( FEM ) .

它所含有的重金属Cu，Cd，Ph，Zn的含量均大为超过上海市农业土壤背景值和JENSEN底泥污染评价值。

The contents of heavy metals such as Cu , Cd , Pb and Zn are more greatly than the background level of Shanghai agricultural soils , and JENSEN pollution evaluation value for sediments .

采用EC-386微型电子计算机，以AUTOCAD图形软件包，建立农业土壤污染数据信息图形化处理系统。

This paper details a method of creating data base management system with graphic programming by Auto CAD software package in agricultural soil pollution on EC-386 microcomputer .

红古区农业土壤（0～20cm）养分状况为：缺氮、少磷、钾丰富，有机质偏低。

The soil nutrient status is lack of nitrogen , less phosphorus , rich kalium and low organic matter .

黄淮海地区典型农业土壤中六六六（HCH）和滴滴涕（DDT）的残留量研究Ⅱ.空间分布及垂直分布特征

Residues of HCH and DDT in typical agricultural soils of Huang-Huai-Hai plain , china ⅱ . spatial variability and vertical distribution of HCH and DDT

调查了广州市郊区农业土壤以及该土壤上生长的蔬菜的重金属含量情况，分析测定了Cu、Pb、Zn、Cr、Ni、Cd、As和Hg这8种重金属元素的全量和有效态含量。

The heavy metal content of agriculture soil and vegetables in Guangzhou city were investigated with measurement of the total content and available content of Cu , Pb , Zn , Cr , Ni , Cd , As and Hg .

结果表明：该区农业土壤中的PAH以3环和4环为主，单个PAH以萘、菲、荧蒽和苯并[b]萤蒽为主；

PAH in soils was dominated by three-ring and four-ring PAH and the dominant individual PAH was naphthalene , phenanthrene , fluoranthene and beozo [ b ] fluornthene .

为了找出设施农业土壤磷素富集的动态变化规律以及磷素养分与土壤pH、有机质、土壤质地、氮素养分、速效钾、重金属镉和土壤酶的关系。

In order to find the dynamic change law of phosphorus enrichment in facility agricultural soil , and the relationship between phosphorus nutrients and soil pH , organic matter , soil texture , nitrogen nutrient , rapidly-available potassium , cadmium and enzymes in the soil .

本文选取与土壤肥力密切相关的7个因素，建立综合评价指标体系，运用GIS和SPSS技术，对许昌市主要农业土壤肥力进行综合评价.针对评价结果，提出土壤合理利用的建议

This paper chooses 7 factors to establish a system of comprehensive evaluation in order to evaluate the agricultural soil fertility in Xuchang based on the technique of GIS and SPSS Some proposals are put forward for the utilization of these soils

分析了珠江三角洲主要城市郊区农业土壤的8种重金属Cu、Pb、Zn、Cr、Ni、Cd、As和Hg的全量和有效态含量。

The total content and the available content of heavy metals ( Cu , Pb , Zn , Cr , Ni , Cd , As and Hg ) in soils from main cities ' suburbs of the Pearl River delta were analyzed .

李俊：农业土壤排放氧化亚氮的影响因素分析，《生态农业研究》，3（4）1995：63&66氧化亚氮（N2O）是重要的温室气体之一。

Li Jun ( Institute of Geography , CAS , Beijing 100101 ) : An analysis of the factors affecting N , O emission from arable soils , EAR , 3 ( 4 ) 1995:63-66 Nitrous oxide ( N2O ) is an important greenhouse gas .

深入研究农业土壤N2O排放与这些因素间的数量关系，客观估计区域或全球农业土壤N2O的排放总量并提出切实可行的减排措施乃是未来的研究方向。

It is recommended that further study be focussed on quantitative description between N2O emissions and these key factors , estimation of regional and / or global amount , and development of reducing N2O emission from agricultural soils in the future .

紫色土是川渝地区最重要的农业土壤类型之一，但有关其N20排放强度与规律尚不清楚。

Purple Soil is the most important agricultural soil type of Sichuan and Chongqing area , but its N2O emission intensity and rule are still not clear .

稻田CH4排放是导致大气中CH4浓度不断升高的重要原因之一，已有越来越多的学者采用生物地球化学过程模型来模拟复杂的农业土壤痕量气体的排放过程。

The CH4 emissions of paddy soils were one of the most important reasons for the increasing concentration of CH4 in the atmosphere . So the biogeochemical process model has been used by more and more scholars to simulate the complex trace gas emission of the agricultural soils .

雷州半岛农业土壤中PAEs化合物组分主要以DnBP、DEHP、DIP、BEHP和DAP为主，它们的平均含量分别为282.3、140.7、92.55、79.63和45.94μg·kg-1。

The main components of PAE compounds in soils of Leizhou peninsula were DnBP , DEHP , DIP , BEHP and DAP , and their averaged concentrations in soils was 282.3 , 140.7 , 92.55 , 79.63 and 45.94 μ g · kg-1 respectively .

通过分析测试，研究了陕西12种农业土壤全氮（Nt），矿质态氮（Nmin）和土壤有机态氮（Norg）的组成。

The composition of total soil nitrogen ( Nt ), mineral soil nitrogen ( Nmin ) andorganic soil nitrogen ( Norg ) of twelve different kinds of loessial soil in Shaanxi pro-vince were studied through soil testing technique .

通过研究得出如下结论：（1）吉林省中部农业土壤中HCHs含量范围为0.42-44.96μg/kg，平均含量为5.09μg/kg，残留水平比较低。

The results show that : ( 1 ) In the agricultural soil of central Jilin , the content range of HCH is 0.42-44.96 μ g / kg , and the average content is 5.09 μ g / kg . Its residual level is low .

土壤微生物群落水平生理图谱（CLPP）分析显示，土壤利用方式由森林土壤转变为农业土壤后，土壤微生物功能多样性发生显著的变化。

Microbial community level physiological profiling ( CLPP ) analysis showed that soil microbial function diversity changes significantly with soil use patterns shifted from the forest soils to the agricultural soils .

在我国的农业土壤中，水稻土占有重要地位。

The paddy soil is very important in our agriculture soil .

有机农业土壤氮素流失与防止措施

Nitrogen Loss in Soil of Organic Agriculture and Its Control Procedure

丹东地区农业土壤污染及防治研究

Study on farming soil erosion and its control in Dandong Area