Different vegetables have different requirements for nutrition.Reasonable rotation of vegetables with different fertilizer requirements in rotation arrangement can prevent the occurrence and continuous damage of diseases and pests and reduce the breeding of weeds.The efficient cultivation mode of"lettuce-celery-cowpea-cauliflower"four crops one year in the facility can achieve the rotation of vegetables of different families through seedling transplanting and greenhouse planting,improve the utilization rate of facilities,and achieve the purpose of making full use of soil nutrients,reducing diseases and pests,and increasing economic benefits.
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