Route 1: The corn combine harvester harvests the grain and treats it with straw - Rotary tillage twice - Sowing - Seedlings with suppression.
Route 2: Picking - straw comminution - nitrogen supplementation - rotary tillage twice - pressing - sowing - seedling suppression.
Route 3: The corn combine harvester harvests the straw and treats it with straw – no tillage sowing machine.
Route 4: Picking - manually cutting down the straw - mechanical chopping of the straw - filling the nitrogen heap - killing the earth - spreading - tilling - soil preparation - sowing.
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