Green flowers and plants, skillful use of plant ash to control plant diseases and insect pests

The residue after burning the plant is called grass ash. Because grass W ash is the ash of plants after burning, almost all the mineral elements contained in plants are contained in grass W ash. The most abundant content is potassium, which usually contains 6% to 12% potassium, of which more than 90% is water-soluble and exists in the form of carbonate. The second is phosphorus, which generally contains 1.5% and 3%; it also contains micronutrients such as calcium, magnesium, silicon, sulfur and iron, manganese, copper, zinc, boron and molybdenum.

Grass W ash can not only provide potassium and other nutrients in flowers, but also has a good effect on controlling flower diseases and insect pests.

W ash, tea cake, sulfur powder and lime were used to control leaf blight in the lake. 5 kg, mashed into powder and mixed evenly, for mosaic wilt, each leaf is susceptible to 1.5 to 2.5 grams of leaves.

two。 Control leaf spot disease with 3 kilograms of grass W ash, 1 kg of quicklime powder mixed evenly, each basin 40 to 60 grams, or sieve dust, or respectively coated with grass W ash.

3. W ash has a good control effect on flower root rot. The specific operation method is: first open the root soil, remove the soil around the root; scrape off the root of the disease, each plant with 0.5 to 1 kg of grass to cover the root, cover the soil.

4. The prevention and control of powdery mildew the flowers that produce powdery mildew can be 5 to 10 centimeters away from the tree trunk and remove 5 to 10 centimeters of root soil. Each plant is covered with 0.5 to 3 kilograms of ash, and the soil is covered with thin soil.

5. Prevention and control of seedling diseases Fusarium wilt and anthracnose are easy to occur in the nursery. When the humidity is high and the temperature is low, the seedlings are very heavy and a large number of dead seedlings can be used. It is 20 to 25 kilos.

6. Control locusts and screen grass W ash. When the morning dew is not dry (or drink water), spray the grass W on the locusts, or sprinkle it with gauze and sprinkle it, then sprinkle it three or five days later. Sprinkle it 2 to 3 times.

7. To prevent and control the harm of root mite root rot in the flower and seedling stage, such as the use of pesticides to control the root system is prone to plant toxicity, 30 kilograms of grass W ash can be applied to the seedlings. The application method is as follows: at the seedling stage, the grass W ash is evenly smeared on the kneading surface, and then transformed evenly, so that the ash and soil are fully mixed; before planting or before planting, apply the grass W ash in the ditch, and then sow or sow.

8. In the control of underground pests bulbous flower seedlings are often damaged by underground pests such as cockroaches. Using grass W ash as base fertilizer or covering seeds with grass W ash can significantly reduce the damage.

Time: 2019-05-15 Click: