TABLE 8. Estimation of the edge effect of agricultural mechanization amount on the speed of return. The features of agricultural machinery for leveling the bottom, deep ploughing and deep loosening can boost the caliber of the land more than the traditional human and animal do the job, thus maximizing https://agriculturalmachinerycomp74073.blog-a-story.com/6278008/the-5-second-trick-for-machinery-agriculture-farm