In the past in the maintenance of vegetable production, farmers ’habits have focused attention on improving the conditions of space such as temperature, light, and air. However, for improving the soil environment, inventing a work that is conducive to the development of the root system and maintain its vigorous vitality. . "Roots are deep and talents are leaf-mao". Only the invention of roots with strong vitality can achieve high yield and quality. The main agricultural measures to promote the development of root systems are:
1. Deep turning and increasing application of farm manure deep turning is to eliminate soil compaction and add the base of the active soil layer. In the deep-turning, a large amount of farm manure was applied, and the new high-fat film was sprayed together, which could not only provide long-term multi-element nutrients for crops, but also improve the soil structure, improve the physical and chemical functions of the soil, and provide outstanding growth for vegetables. Permeable conditions and soil conditions with strong buffering capacity.
2. The root system for cultivating multiple seedlings and protecting the roots of most vegetables is formed during the seedling period. During the seedling raising period, cultivating seedlings with developed root systems, and maintaining these root groups during the seedling raising process and transplanting, will not only help slow the growth of seedlings, but also have important effects on future growth and development. From the perspective of root protection, it is necessary to use containers such as nutrient bowls, plastic buckets or paper bags to raise seedlings. During the seedling raising period, the "squat seedlings" after planting can induce the onset and deep penetration of new roots.
3. Scientifically formulated different fertilizers have different effects on the development of the root system. For example, calcium directly affects the growth of root meristems, zinc determines the growth rate of root tips, and phosphorus can promote the division and proliferation of root cells. And stretching. Understand this principle, regardless of the fertilizer on the seedbed, or to cultivate the ground fertilizer, pay attention to the application of calcium phosphate and zinc sulfate. If a certain amount of edible vinegar is added to the supercalcium phosphate fertilizer guess, it can form calcium acetate with a certain solubility and enhance the absorption of calcium by crops.
4. Pay attention to maintaining the root system. The root system will be injured in the course of its life due to low temperature, high temperature, salt accumulation, fat burning and mechanical damage. At low ground temperature, cold roots and loquat roots will occur, and high temperature will cause the root system to age too quickly. The high solution concentration of the soil will damage and inhibit the root tip and root hair, which will greatly reduce the absorption capacity of the root system. Inappropriate fertilizer or unsuitable cultivating loose soil may directly damage the root system.
Therefore, in the production of greenhouse vegetables, the cultivation, the proper planting (cultivation), the proper covering and removal of mulch, the scientific fertilization, and the cultivation of loose soil, etc., should be applied to the roots of deep-modified soil and organic fertilizer. Both are necessary to maintain root system.
5. Take the opportunity to promote the rehabilitation of the root system. In order to promote the recovery of the root system quickly after experiencing a certain moment in the long-term cultivation of greenhouse vegetables or suffering from low temperature and other adverse environments, it is generally necessary to take the opportunity to irrigate the medicine or calcium, phosphorus, zinc compound fertilizer.

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