| Corn is the largest food crop in China,with large planting area and high total output,which plays an important role in ensuring national food security.In recent years,China’s agricultural industry is affected by the supply side structural reform,and the structure is constantly adjusted to adapt to the development of the social era.The traditional mode of agricultural production has not been able to meet the needs of China’s development.To ensure the high and stable yield of agricultural products and the scientific and reasonable planting methods are currently advocated in China.Jilin Province,as the main corn producing area in China,is known as "golden corn belt".Under the influence of policy reform,corn planting area in Jilin Province has been reduced,but it is still the main food crop and feed source in Jilin Province.Facing the background of supply side structural reform,it is the most important task to improve corn yield and ensure corn quality.Influenced by the traditional concept,most areas in Jilin province still choose the traditional planting mode of farmers.Farmers only pay attention to economic benefits and ignore social and ecological benefits,which restricts the development of economic income increase of corn in Jilin Province.Therefore,it is the general trend to speed up the research and promotion of high-efficiency and high-yield corn planting technology in Jilin Province and even the whole northeast region in combination with the needs of economic,social and ecological benefits.Based on the cost-benefit theory,ecological benefit theory and sustainable development theory,this paper selects two high-yield and high-efficiency technical modes,straw returning planting mode and organic fertilizer regulating planting mode,and compares them with traditional farmers’ planting mode from three aspects of economic benefit,social benefit and ecological benefit Index selection,analysis of corn yield and efficiency technology to create comprehensive benefits of farmland and evaluation.By comparing the high-yield mode of corn straw returning to the field with the traditional farming mode,the economic benefit index increased by 0.14 from 2017 to 2019,the social benefit index of straw returning to the field increased by 0.3 from 2017 to 2019,the ecological benefit index of straw returning to the field increased by 0.36 from 2017 to 2019,and the comprehensive benefit index of straw returning to the field The combined benefit index increased by 0.20 from 2017 to 2019.All the data show that the income of straw returning is higher than that of ordinary farmers.In the technical mode of organic fertilizer regulation and high yield,the economic benefit index increased by 0.21 from 2017 to 2019,the social benefit index of organic fertilizer regulation and planting mode increased by 0.3 from 2017 to 2019;the ecological benefit index of organic fertilizer regulation and planting mode increased by 0.13 from 2017 to 2019;the comprehensive benefit index of organic fertilizer regulation and planting mode increased by 0.23 from 2017 to 2019.Under the mode of organic fertilizer regulation,the income of maize planting demonstration area in Yushu is more significant.Comprehensive data indicators show that,compared with the straw return planting mode,the benefits of organic fertilizer regulation mode are more obvious,and the significance of promotion and reference is more far-reaching.However,cost expenditure should also be considered in the promotion of high-yield and high-efficiency cultivation mode.The cost expenditure of straw returning mode is 8817 yuan,while that of organic fertilizer regulating mode is 9447 yuan.Based on the data analysis of economic benefits,social benefits and ecological benefits,the conclusion of this paper shows that straw return mode and organic fertilizer regulation mode have significant advantages compared with the traditional farmers’ planting mode,and provide reference for the effective promotion of high-yield and efficiency technology of corn. |
