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Introduction: according to the actual survey data of 2256 plots and 11196 samples from 19 counties (cities) in Jilin Province, the comprehensive average per mu yield of grain in Jilin Province this year is 454.6kg According to this calculation, the total grain output of the province is 22.148 million tons (44.30 billion jin), an increase of 26.14 million tons (5.23 billion jin) or 13.4% over the previous year's 19.534 million tons (39.07 billion jin) The main factors for MAH to increase grain output this year are the improvement of agricultural science and technology level, the rapid development of order agriculture, the suitable climate this year, the matching of rain and heat, the strengthening of agricultural infrastructure construction and the improvement of disaster resistance Mah increased grain yield by 66.7 kg per mu and 4 million tons The main reduction factors of MAH are: the total sown area of grain decreased 597000 Mu over the previous year, with a reduction of more than 1 million tons; the spring drought and hail, diseases, insects, grass and rats in summer and autumn in some areas also reduced grain production by nearly 500000 tons maH
maH