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Field management of corn in several stages
The field management of corn is divided into three phases: field management in the early stage, field management in the middle stage, and field management in the latter stage. The main management measures for the field management in the early stage were reseeding seedlings or checking seedlings, planting shovels, plowing before shoveling, and field seedlings. The medium-term field management measures include three shovels, three crops, suitable dressing, and pest control. In the later period, the field management measures were to put autumn ridges, big grasses, interlaced males, spray curing agents, standing stalks, etc.