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.
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。
3.
The effects of long-term fertilization on crop yields and farmland nutrient equilibrium
长期施肥对华北平原潮土作物产量及农田养分平衡的影响
4.
Design and Development of the WebGIS-based Information System for the Nutrient Balances and Environmental Risk Evaluation in Chinese Crop Production System;
基于WebGIS中国农田养分平衡与环境风险评价系统的研制与开发
5.
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
6.
Nitrogen Budgets in Agro-ecosystem of Hebei Province
河北省农田生态系统氮养分平衡状况研究
7.
Balance of Farmland Potassium Nutrient Input/Output in China Based on GIS
基于GIS技术的中国农田钾素养分收支平衡研究
8.
Nitrogen Cycling and Balance in "Agriculture-Livestock-Nutrition-Environment" System of China;
我国“农田—畜牧—营养—环境”体系氮素养分循环与平衡
9.
Phosphorus Budget of Farmland in Crop-Animal Mixed Farming Area:A Case Study of Yucheng County in Shandong Province
种养结合生产区农田磷素平衡分析——以山东禹城为例
10.
Phosphorus Cycling and Balance in "Agriculture-Animal husbandry-Nutrition-Environment" System of China;
中国“农田—畜牧—营养—环境”体系磷素循环与平衡
11.
Spatio-temporal Variability of Soil Water and Water Balance Analysis in Field;
农田土壤水分时空变异特征及水量平衡分析
12.
Nitrogen Nutrient Balance and Load in Agro-ecosystem of Miyun Fangshan County in Beijing
北京市农田生态系统氮素养分平衡与负荷研究——以密云县和房山区为例
13.
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
14.
Water Balance, Transition and Crop Productivity in Red Soil Farmland;
红壤农田水量平衡和水分转换及作物的生产力
15.
Spatial-Temporal Change of Phosphorus Balance and the Driving Factors for Agroecosystems in China
中国农田土壤磷平衡现状及驱动因子分析
16.
Characters of Water Requirement for Main Crops and Field Water Balance in Beijing Region
京郊地区主要农作物需水特征与农田水量平衡分析
17.
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
18.
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