Thinking on Increasing Yield of Maize and Soybean in Cold Regions of Heilongjiang Province
Kong Qing-hua · Heilongjiang nongye kexue · 2013
The fourth,fifth and sixth accumulation temperature zone in Heilongjiang province are located in cold regions,the major limited factor in maize and soybean production is lower accumulated temperature.The developing maize and soybean production is an important requirement of national food safety.The main obstacle factors of increasing yield of maize and soybean were studied,and high yield theory and key cultivation technology were analyzed and pointed out the theory and method of increasing yield of maize and soybean through breeding and cultivation techniques.