1.
ANALYSIS OF GRAIN YIELD VARIATION FEATURES IN SHANGHAI IN 1951～1996;
1951～1996年上海粮食产量变化特征分析
2.
Study on the Characteristics of Grain Food Production Variation in Yantai City Based on the Wavelet Transformation;
基于小波变换的烟台市粮食产量变化特征研究
3.
Multiple Time Scales Analysis on Grain Output in Heilongjiang Province Since the Foundation of P.R.C.;
建国以来黑龙江省粮食产量变化小波分析
4.
The Morlet Wavelet Study on the Change in Grain Output in Hunan Province Between 1949～2002;
湖南省建国以来粮食产量变化小波分析
5.
Analysis of Grain Yield Variation and its Affecting Factors in Dongying City;
粮食产量变化及影响因素分析——以山东省东营市为例
6.
Multiple Time Scales Analysis of Grain Output in Jiangsu Province after the Founding of Our People S Republic;
建国以来江苏省粮食产量变化的多时间尺度分析
7.
The Correlation Analysis on Changes Trend of Grain Yield and Crops Structure of Shanxi Province;
山西省粮食产量及粮食作物结构变化趋势的相关分析
8.
Analysis of the Relationship between the Change of Cultivated Land and Grain Yield in Hebei Province;
河北省耕地变化与粮食产量灰色关联分析
9.
Analysing Alignment of Agricultural Economy from Change of Food Crop Output;
从粮食作物产量变化看农业经济发展走势
10.
Impact of natural disasters change on grain yield in China in the past 50 years;
50年来我国自然灾害变化对粮食产量的影响
11.
Reason and Analyse about Change of Foodstuff a unit of area yield in Past Dynasties in China;
我国历代粮食亩产量的变化及其原因分析
12.
Correlate Analysis between the Dynamic Changes of Cultivated Lands and Grain Total Yield;
山东耕地动态变化与粮食总产量相关分析
13.
The study on changes of grain yield and the crop structure of Jilin province in recent 50 years;
吉林省近50年粮食产量及作物结构变化研究
14.
The Relationship between Climatic Changes and Yield of Food Crops in Fuzhou City
抚州市气候变化与粮食作物产量的关系研究
15.
Grain Yield Trends of Different Food Crops Under Long-Term Fertilization in China
长期施肥下中国主要粮食作物产量的变化
16.
Discussion on the change of cultivated land resources and food security in Shaanxi Province
陕西省耕地数量变化对粮食总产的影响
17.
Analysis on the Shift of Provincial Gaps of China's Grain Production and Contributing Factors
中国粮食产量省区差距变化及其成因分析
18.
The Increasing and Decreasing Changes and Its mainly Affecting Factors of Chinese Grain Production Near 30 Years
近30年我国粮食产量增减变化及主要影响因素