1, when sowing, due to poor shape, resulting in airing species. 2. When the disc openers are sown, the sowing quality is good, but it is easy to clip some small stones and damage the opener. 3. Because the seeder is a tractor type, it is too wide and too long. When the land is changed, the farmland road is narrow and the adaptability is not good. 4, due to the compaction of the tractor tires, so that the four rows of sowing seeds to form a bright species. Suggestions: 1. Change from the overall copy to a single copy (height adjustable). 2. Change the design of the disk opener again. 3, planter to hang. 4. Change the planting mechanism of the planter to a separate depth adjustment. 5, each machine with a disc, boots two opener.
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