Ziyunying, also known as red flower grass, generally produces 1500-2000 kilograms of fresh grass per mu, which is the main winter green manure. Planting Ziyunying not only has less labor, but also has lower costs and higher fertilizer efficiency. It can also improve the soil, cultivate fertility, and increase grain production. Its high-yielding cultivation techniques are now described as follows:

Choose good breeds. Improved varieties are the key to increasing production. It is recommended that farmers' friends go to the seed department to purchase refined varieties that have been purified and rejuvenated, and prevent the purchase of inferior sons, miscellaneous children, and Chen Zi by mistake.

Early sowing. The timely early sowing of Ziyunying is a key measure for the early emergence of Qimiao and for obtaining more branches before winter. In the double-season rice area, the sowing date is before and after the “equinox”, and the latest in late September does not exceed the end of September. 2-2.5 kilograms per acre sowing rate is appropriate, the field bottom difference and late sowing can be appropriately increased the amount of sowing. Seeds should be treated well before planting, and firstly salt water should be selected and rubbed. Re-use 20% -30% of people immersed in urine for 10-12 hours, picked up after drying, with Rhizobium, phosphate fertilizer, fire soil dung seed dressing, so that with bacteria with fertilizer down field.

Scientific fertilization. Ziyun Ying is a nitrogen-fixing legume nodules, fertilization should be dominated by phosphorus and potassium fertilizer, suitable for nitrogen fertilizer. Phosphorus fertilizer in addition to seed fertilizer, in the "early winter" before every acre but also topdressing 20-25 kg of calcium magnesium phosphate fertilizer, in order to promote root growth, increase the ability of rhizobial bacteria to fix nitrogen, to achieve the purpose of small fertilizers for large-scale fertilizer. "Spring" after the application of good spring fertilizer, per acre with ammonium bicarbonate 7-8 kg or 250-300 kg of human waste water poured pouring. In particular, the poor growth of the second and third types of seedlings, topdressing appropriate amount of nitrogen fertilizer, can increase the yield of fresh grass. At the same time, in the seedling stage or early flowering stage, foliar fertilizer application was performed with 0.1% ammonium molybdate solution, and the yield increase effect was also significant.

Open a good "three ditch." After the late rice is harvested, it is necessary to promptly open the trunk, gutters, and enclosures so that the gutters can communicate with each other and there is no water in the fields. In case of drought in autumn and winter, when the leaves of the seedlings turn red, they should be timely filled with “running water” to keep the fields moist. It is rainy in spring and it is necessary to clear the gutters in a timely manner so that the rain can be stopped.

Cover grass to prevent freezing. The optimum temperature for the growth of Ziyunying is 15-25°C. When the temperature drops below -3°C, the seedlings will suffer freezing injury. In order to prevent freezing damage, after harvesting of late rice, more than half of Honda's straw should be covered in the field, or warm fertilizer such as grass ash and fire soil should be applied to increase the temperature of the soil to ensure the safe wintering of seedlings.

Prevent pests. The main insect pests of the milk vetch are tapeworm, thrips and leaf miner, which can be sprayed with 40% dimethoate emulsion or 90% crystallized trichlorfon 1000 times. When powdery mildew occurs, it can be sprayed with Baume sulfur at 0.3 degrees. Sclerotinia should catch the initial stage of the disease and spray Bordeaux solution (0.4 kg of copper sulfate, 0.4 kg of lime and 50 kg of water) in time.

Turn it over at the right time. From late March to early April, it was Ziyun Ying’s long period. If the turning is too early, the yield of fresh grass is not high, the turning is too late, the plants are aging, and the fertilizer efficiency is low. Generally, in the flowering period, when the flowering reaches 70%, it is more appropriate to turn it in 10-15 days before sowing.

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