Attention to the field management of planting windbreak

1. Management before emergence: the soil should be kept moist before emergence. If drought occurs, the soil should be watered in time. The seedlings can be seen about 15 days after sowing, and the seedlings can emerge about 22 days. The straw covering the border should be removed when the seedlings are ready, preferably on a cloudy day or after 3 p.m., to prevent the seedlings from dying in the sun.

2. Interseedling and fixed seedling: when the seedling grows to 2 true leaves, there should be about 5000 seedlings per mu, and when it grows to 4 true leaves, there is a place where there is too much density.

3. Weeding in middle ploughing: it takes about 22 days from sowing to seedling emergence, and weeding is done immediately after seeding. The method of weeding must be manual weeding to ensure the production of pollution-free medicinal materials. Weeding for 3 or 4 times from seedling emergence to seedling emergence, weeding and weeding should be achieved. It is beneficial to seedling Qi and seedling strength.

4. Irrigation: from the emergence of seedlings to the front of 2 true leaves, the soil below 1 cm on the soil surface must be kept moist, and no serious drought should be encountered after 3 leaves, so as to ensure the quality of windproof.

5. Topdressing: combined with inter-seedlings, the first topdressing is 300 kg of rotten farm manure and 20 kg of potassium sulfate per mu; combined with the second intertillage, 25 kg of superphosphate and 500 kg of farm manure.

6. Cultivate the soil and pick the buds: when the seedling is more than 30 centimeters high, cultivate the soil at the root and be firm after culture. in addition to leaving the planting plant, if you see a flower bud, you should remove it in time to promote its root development.