Nursery seedlings, matrix is ​​better

Nursery seedlings, the substrate is good whether it is planting vegetables or flower seedlings, nursery substrate is a key factor in the production of high-quality products. Nursery substrate is also commonly known as nutrient soil. Its role is to replace soil but nutrients are more abundant than soil, so that plants can better adapt to the environment and grow rapidly. When selecting nursery substrates or self-made nutritious soils, the following criteria should be followed:
1, consider from the ecological environment. It is required that the nursery substrate is essentially free of living germs and eggs and contains no or as little harmful substances as possible to prevent it from contaminating the environment and the food chain as it enters the growing field. In order to meet this standard, a matrix fermentation aid can be added to the matrix nutritive soil to quickly ferment the selected raw materials so as to achieve the purpose of bactericidal antivirus and removal of eggs.
2, nursery substrate should have similar functions with the soil. The matrix is ​​more conducive to plant growth than the soil in terms of nutritional conditions and growth environment. However, it still needs to have other functions of the soil, such as facilitating the winding of the roots (in order to facilitate cocoons) and better water retention.
3, nursery matrix to prepare organic, inorganic composite matrix as well. In the use of matrix fermentation aids for fermentation of raw materials, attention should be paid to the scientific and rational composition of organic and inorganic substrates to better regulate the aeration, moisture and nutritional status of the nursery substrate.
4. Choose to use a light source that is rich in local resources and inexpensive. In the application of plug seedlings technology, how to choose the seedling substrate or fermentation raw material is related to the primary issue of the cost of nursery and the quality of nursery. Under normal circumstances, local light-matrix resources suitable for plug seedlings should be fully excavated and used, and the cost of seedling substrates should be reduced, thereby reducing the selling price of plug seedlings. According to the actual situation in each place, carbonized rice husks, cottonseed hulls, sawdust, vermiculite, perlite and other inexpensive substrates are used as the tray seedling substrate.

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