Grass ash is a kind of high-quality farmyard manure that is dominated by potassium and contains phosphorus, calcium, magnesium, boron and other nutrients. In recent years, some experienced farmers have used grass ash in greenhouse vegetable cultivation and have received good results.
1. Moisture absorption. If the humidity in the booth is too high, a layer of ash can be used to absorb moisture.
2. Make up fat. The application of plant ash in a plastic greenhouse can directly provide nutrients for the vegetables; in the vegetable growing stage, spraying with 10% of the ash liquid in the lixivium will help enhance the plant's resistance to stress.
3. Prevent disease. The use of plant ash in vegetable greenhouses can inhibit the occurrence of damping-off diseases such as vegetable seedlings, blight, roots of leeks, and spot blotch of celery, gray mold of leeks, and other diseases.
4. Loose soil. The greenhouse vegetable is used for a long time and the soil is easy to compact. The increase of the plant ash can loosen the soil and prevent the compaction.
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