Problems and Countermeasures in Maize Production at 853 Farm
WU Ye-ye · Heilongjiang nongye kexue · 2011
For the sake of ensuring the safe production of grain in the country,it is need to continuously increase the total grain yield.while the yield increasing potentialities of maize is the biggest,and maize is one of the main crops at 853 farm,therefore,the problems existing in the 853farm were analyzed.They were:improper variety selection,short growth period;variety degeneration;higher planting density;lack of high yield potential varieties;lack of environmental protection fertilization,higher proportion of nitrogen,low proportion of potash,insufficient total fertilizer;little use of manure;lack of field management.According to the problems,the countermeasures were put forward to provide theoretical guidance for maize production.They were as follows:choosing variety with dense planting or half dense planting,high photosynthetic rate,sparse planting and high yield;adopting appropriate planting density;increasing applying fertilizers and formula fertilization;applying organic fertilizers to increase maize yield;using seed dressing to prevente and control diseases and insect pests,strengthening the field management;strengthening the agricultural science and technology training;establishing and extending synthetical cultivation technology mode of maize with high yield and high efficiency.