TABLE 8. Estimation of the edge effect of agricultural mechanization degree on the speed of return. 3rd, we should always market the development of socialized services companies for agricultural machinery operations, improve the typical system of socialized support for agriculture, speed up the development of agricultural socialization assistance stages, https://titusxbdly.blogaritma.com/26328246/the-single-best-strategy-to-use-for-machinery-agricultural