1.
Research on Models of Farmland Nutrient Balances and Decision Support System;
农田养分平衡分析与决策支持系统研究
2.
Nutrient Balance and Economic Benefit of Winter-wheat and Rice Rotation System with Waste Water of Paper-making Irrigation
制浆废水灌溉养分平衡研究及其经济效益分析
3.
Analysis shows that the soil P is rich and K is lack in most area of China.
表现出的农田养分平衡状况是磷有余而钾不足。
4.
Study on Nutrient Balance of Five Agro-Ecosystems in Jurong;
句容市五种农田生态系统的养分平衡研究
5.
The Nutrient Balance and Cycling of Farming Systems: A Case Study of Quzhou County;
农作系统养分平衡的研究——以河北省曲周县为例
6.
Effect of Optimized Application of Potassium Fertilizer on Summer Corn Yield and Nutrient Balance
优化施用钾肥对夏玉米产量及养分平衡的影响
7.
Study on the Status of Vegetable Fertilization in Greenhouse and Their Nutrient Balances of Langfang
廊坊市大棚蔬菜施肥现状及养分平衡研究
8.
Study on Nutrient Balance of Different Rotation Models in Field of Yunnan
云南大田不同轮作模式养分平衡现状研究
9.
Analysis on the financial balance of the pension under the system of the nominal account;
名义账户制下养老金的财务平衡分析
10.
Analyses on the Revenue and Expenditure Balance of the Endowment Insurance and Influential Factors;
养老保险收支平衡及其影响因素分析
11.
Effect of Balanced Fertilization on Yield of Soybean and Nutrients Balance of Soil-crop System
平衡施肥对大豆产量及土壤-作物系统养分收支平衡的影响
12.
Nutrient Dynamic and Balance of Different Farming Patterns in Red Soil Upland
红壤旱地不同种植模式下NPK养分动态平衡分析
13.
NUTRIENT CYCLING, BALANCE AND REGULATION IN RED SOIL AGROECOSYSTEM
红壤农业生态系统养分循环、平衡和调控研究
14.
Study on abundance or deficiency of nutrients and balance parameters?of applying fertilizers of peanut in brown soil
棕壤土花生养分丰缺及平衡施肥参数研究
15.
Research on Nutrients Absorption Character of Two Kinds of Fish Grasses and Balanced Fertilization;
两种鱼用饲草的养分吸收规律及平衡施肥研究
16.
Actuarial Research on the Balance of Pension Insurance Fund in China;
我国基本养老保险基金的平衡精算分析
17.
Analysis of Factors Affecting the Retirement Pension Balance under the New Policies;
新政策下养老保险基金收支平衡影响因素分析
18.
The Analysis of Chinese Financing Balance of Social Security Pressed By Below-replacement Fertility and Population Aging;
少子老龄化下的中国养老保险财务平衡分析