The latest course of planting techniques and methods of Elsholtzia splendens

Elsholtzia splendens, also known as Elsholtzia splendens, is a perennial herb of Elsholtzia splendens Labiatae. It has the effect of sweating and removing dampness. It is mainly used to treat colds, fever, abdominal pain, diarrhea and other diseases. So how to plant Elsholtzia splendens? Let's take a look.

1. Land selection and preparation

Elsholtzia splendens has strong adaptability to soil and lax requirements for soil, but it is suitable to plant sandy loam with loose soil and good drainage. Ploughing the soil before planting to make it fully weathered, apply base fertilizer according to the fertility of the soil, generally apply rotten barnyard manure or compost 2000-2500 kg per mu, rake fine and level it to make a high border. The width of the border is 1.2-1.5 meters, the height is 12-15 cm, and the width of the furrow is 25-30 cm.

2. Sowing seeds

The sowing time is from March to April in spring, and summer sowing can also be carried out in June. Sowing methods can be sown on demand, strip sowing and sowing. Generally, strip sowing is better in production and convenient for management. Mix the seeds and plant ash evenly before sowing, choose to sow in sunny or cloudy days, control the row spacing between plants at 3~5cm × 3~5cm, sow the seeds evenly into the ditch according to the row spacing of 25-30 cm, pay attention to the density should not be too high, suppress slightly after sowing, so that the seeds and soil are closely linked. Generally use seed 1.5-2 kg per mu, cover with a layer of fine soil or fiery soil ash after sowing, and sprout in about one to two weeks.

3. Field management

After the seedlings are unearthed, strengthen the management, wait for the seedlings to complete, and the seedlings should be weak and strong, and the plant spacing should be controlled. Generally, the seedlings should grow to 5 cm for the first time, and then according to the actual situation of the seedlings. After the emergence of Elsholtzia splendens, it is necessary to do a good job of weeding, to prevent weeds from seizing nutrients and space, and to loosen the soil properly during weeding to promote the growth of seedling roots. The growth period of Elsholtzia splendens is relatively short, if it wants to grow well, topdressing is necessary, mainly organic fertilizer, reasonable to inorganic fertilizer, topdressing after the first seedling, urea 4-5 kg per mu, topdressing the second fertilizer at heading stage, 8-10 kg urea per mu. Elsholtzia splendens like wet, but afraid of stagnant water, water in the seedling stage should not be too much, if the precipitation is too large, should be timely drainage, so as not to cause excessive stagnant water leading to rotting roots of seedlings, but should be timely watering when drought, to replenish water.

4. Pest control

The main diseases of Elsholtzia splendens are root rot and rust, root rot mainly harms the roots of plants, rust mainly harms the aboveground plants, they affect the growth of Elsholtzia splendens, and seriously lead to plant death. The prevention and control methods of the disease are mainly prevention and comprehensive control. First of all, it is necessary to strengthen European management, thoroughly clear the garden in winter, reduce pathogens, deal with the disease in time, and spray chemical control. The pest is mainly small land tiger, which harms the larvae, and the young leaves are fed in the early stage, and in the later stage, it will sneak into the soil surface and bite off the tender stems, resulting in the death of the seedlings. In the outbreak period, artificial hunting can be taken, and special insecticides can be sprayed on the larvae.

The above is the introduction of Elsholtzia splendens planting technology, hope to help you, want to know more related knowledge, please pay attention to us.