The latest course of planting techniques and methods of Hedyotis diffusa

Oldenlandia diffusa, also known as oldenlandia diffusa, is an annual herb of rubiaceae. The whole herb can be used as medicine. It has the effects of clearing heat and detoxifying, diuretic and detumescence, activating blood circulation and relieving pain. In addition, according to medical evidence, it has anti-cancer and liver-protecting effects, its market demand has soared, and its price is also rising, so the artificial planting prospect is excellent. So how do you grow hedyotis? Let's take a look.

1. Land selection and preparation

Oldenlandia diffusa is suitable for planting in low terrain, sufficient light, convenient irrigation, fertile loose soil planting, after selecting planting land, combined with soil preparation, each mu of decomposed farm manure 4000-5000 kg, compound fertilizer 50 kg as base fertilizer. Sprinkle fertilizer evenly on the soil, rake and mix well, and then furrow, with a width of 1 meter and a depth of 25 cm.

2. Sowing

Sowing time can be divided into spring sowing or autumn sowing, spring sowing is generally commercial, autumn sowing can be commercial seed, spring sowing in March to May is appropriate, autumn sowing in mid-late August abnormal. Because the seeds of oldenlandia diffusa are small, in order to increase the germination rate, it is necessary to treat them before sowing, remove the waxy layer of pericarp and seed shell, and then sow them after mixing several times of fine soil with seeds. Sowing can be divided into drilling and sowing, drilling spacing in about 30 cm, sowing seeds evenly scattered on the soil can be, after sowing covered with a layer of shallow soil, covered with straw shade during the day, uncovered at night, until the emergence of 4 leaves.

3. Field management

After the seedlings are unearthed, they should be thinned in combination with intertillage and weeding. When thinning seedlings, weak seedlings should be removed, leaving strong seedlings with consistent growth. When the seedlings grow to 8-10 cm, they should be fixed according to the plant spacing of 10 cm. After sowing to emergence should keep the soil moist, conducive to emergence, but avoid water, in time after the rain drainage, in the high temperature season, irrigation in the furrow, cooling anti-sunburn. Hedyotis diffusa has a short growth period, so it needs topdressing to keep nutrients in time. Generally, fertilization is mainly farm manure, which is carried out according to plant growth.

4. Pest control

Oldenlandia diffusa has strong disease resistance, few diseases occur in the whole growth period, and can be controlled by topdressing and weeding. The pests mainly include cutworm and Spodoptera litura, among which Spodoptera litura can be killed by trap lamp, while cutworm can be controlled by spraying Regent.

The above is the planting technology of Hedyotis diffusa, I hope to help you, if you want to know more about the relevant knowledge, please pay attention to us.