Analyses on Contribution of Production Factors of Liaoning Province in the Latest 30 Years
Liaoning province was in major corn producing areas of China.Improving the largest food crop yield was great significance.This paper collected and sorted maize production status data in the Latest 30 years.A-nalysis the main causes of corn production from variety improvement,the cultivation management and technol-ogy.Clear the main power of maize yield increase and the limiting factors,in order to provide scientific and reasonable reference for industrialization of production.
国家科技期刊平台
NSTL
万方数据
维普
