Abstract
Taking the conservation tillage influences of black soil in Northeast China as the research object, the paper is written according to the advice of relevant experts and technicians in Northeast China, the study also calculates the weight of each influencing factor through the Delphi and Analytic Hierarchy Process (AHP) method. Then, the significance of the factors affecting the benefit of conservation tillage is analyzed. The results show that, based on the comprehensive analysis, it is concluded that the economic factor is the primary factor affecting the benefit of black soil conservation tillage in Northeast China. Among the twelve influencing factors, eight of them have a significant impact on the development of conservation tillage benefits on black soil in Northeast China. Such as the degree of government subsidy; the adaptability of agricultural machinery; the input of new technology; relevant policies, laws and regulations; the quality of conservation tillage; the income of agricultural machinery farmers; practical application capacity; government publicity. Therefore, in the process of implementing the black soil conservation tillage, we should focus on these influencing factors, which will effectively promote the sustainable development of agriculture in Northeast China.
Highlights
The Food and Agriculture Organization (FAO) of the United Nations’ Global SoilPartnership proposed that black soils are characterized by a thick, dark-colored soil horizon, rich in organic matter
Eight factors have a strong impact on the development of conservation tillage efficiency of black soil in Northeast China
The results show that the weight of government subsidy degree is 0.2522, the weight of agricultural machinery adaptability is 0.1650, the weight of new technology input is 0.1388, the weight of relevant policies and laws and regulations is 0.0894, the weight of conservation tillage quality is
Summary
The Food and Agriculture Organization (FAO) of the United Nations’ Global SoilPartnership proposed that black soils are characterized by a thick, dark-colored soil horizon, rich in organic matter. The area of black soil in Northeast China ranks third. According to the data provided by the Office of the Leading Group for the Preparation of National Water and Soil Conservation Planning, the black soil area in Northeast China is located between 115◦ ~135◦ E and 40◦ ~50◦ N, facing Russia across the Heilongjiang River and the Ussuri River to the east. The total area is 1.09 million square kilometers, accounting for about 12% of the total area of the global black soil area. It is mainly distributed in the Hulunbuir grassland, the Daxinganling region, the Sanjiang Plain, the Songnen Plain, parts of the Songliao
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