soil nutrients

A Study on Dynamic Changes of Soil Nutrients Under Phyllostachys Pubescens Forest

毛竹林地土壤养分动态研究

Conception of Investigative Method of Spatial Heterogeneity of Soil Nutrients in Wetlands

湿地土壤养分的空间异质性研究方法构想

The Influence of Different Cutting Method to the Soil Nutrients

不同采伐方式对林地土壤养分的影响

Change and difference of soil nutrients for various regions in China

我国不同地区土壤养分的差异及变化趋势

Application of Soil Nutrients Information System in Recommended Fertilization Application

土壤养分信息系统在推荐施肥中的应用

A Prediction Model of Soil Nutrients Loss Based on Artificial Neural Network

神经网络在土壤养分流失预测中的应用

Soil nutrients had some complicated changes in different soil layers .

土壤营养元素在不同土层中变化各不相同，在不同的土层会有波动，变化相当复杂。

Development and Application of Web-based Soil Nutrients Management and Balance Fertilizing System

基于Web的土壤养分管理与施肥信息系统研制与应用

Effect of Different Technological Measures on Utilization of Precipitation and Soil Nutrients

不同技术措施对降水利用和土壤养分的影响

The reason of soil nutrients change was analyzed .

文章还对土壤养分的变化的原因进行了分析。

Change of Soil Nutrients from 1979 to 1999 in Liaoning Province

辽宁省耕地土壤1979～1999年土壤养分肥力的变化

The result showed fertilization could improve soil nutrients and soil enzyme activities .

试验结果表明：施肥能提高土壤养分和酶活性。

Water stress can decrease the availability of soil nutrients .

水分亏缺可使土壤养分的有效性降低。

Soil nutrients characteristics and its spatial variability for agricultural field of village

村级农田土壤养分特征及其空间变异性

Development on rapid determination of soil nutrients

土壤养分速测技术的发展

Research on changing soil nutrients in intercropping system , its ecological and economic benefits

间作制度的土壤养分变化及生态、经济效益

Study on Correlativity Change of Surface Soil Nutrients in Intensified Agricultural Regions

集约农区耕层土壤养分相关性变化研究

Characteristics of soil nutrients of different vegetation types in the Three Gorges reservoir area

滇南地区植被景观时空异质性及其成因三峡库区不同植被类型土壤养分特征

Meanwhile , the available soil nutrients increased much more than the soil elements .

不同类型植被，土壤速效养分的差异比土壤全量元素间的差异明显。

Effects of Soil Nutrients on the Cotton Fibre Quality

影响棉花纤维品质的土壤养分

Study on the adsorption dynamics of soil nutrients by ion exchange resin membrane

离子交换树脂膜吸附土壤养分的动力学研究

Impact of Different Artificial Ecological Forests on Soil Nutrients in Loess Plateau

黄土高原不同人工生态林对土壤主要营养元素的影响

Soil nutrients increase as clay content increase .

土壤养分贮量随粘粒的增加而提高。

Effects of Sand Biological Crust on the Soil Nutrients Characters under Different Vegetation

不同植被下沙地生物结皮对土壤养分的影响

Effects of Continuous Cropping on Status of Soil Nutrients

保护地连作对土壤养分状况的影响

Soil nutrients , microorganisms and enzyme activities of different stands

不同林分土壤养分、微生物与酶活性的研究

Research on Main Characteristics of Tobacco Soil Nutrients and Countermeasures in Fujian Pucheng

福建浦城植烟土壤主要养分特征与施肥对策研究

Preliminary Study on Variability of Soil Nutrients and the Recommendation of Fertilization

土壤养分变异与推荐施肥初探

On the Soil Nutrients of Cutting Forest Land

采伐林地土壤养分研究

The soil nutrients content in solar greenhouse increased with the number of cultivation years .

随着种植年限的增加，日光温室土壤养分表现出增加的趋势。