The seed of Spartina is very small. Before sowing, it requires deep plowing and smooth ground to facilitate conservation. Combining ploughing and applying organic fertilizer and phosphate fertilizer can increase grass production and seed yield.
Shawangwang can be cultivated in spring, summer sowing, autumn sowing or sowing before winter. In spring drought-stricken areas, it can be planted in the early spring and planted in the northern and north-eastern parts of north China after raining in late spring or summer. Autumn sowing, soil moisture, less weeds, the best seedling growth. It can also be planted before winter to prevent seedlings and wintering seeds. In the spring of the next year, the water can be thawed in the early spring and emerge as soon as possible. The sowing method can be broadcast, broadcast or on demand. Large areas of barren hills and grasslands can be sown with airplanes. Harvest grass should be broadcast, spacing 30 cm, sowing depth of 1 - 1.5 cm is appropriate, the deepest should not exceed 3 cm. The seeding rate is 0.5-1 pound per mu, and the seed field is 0.2-0.3 pounds.
The seedlings of Shawangwang grow slowly and pay attention to cultivating and weeding at the seedling stage. After two years of growth, Sadawangwang should promptly implement tillage and weeding according to the growth of weeds before returning to green and after cutting. Shawangwang is not tolerant and pays attention to drainage during the rainy season. In arid regions, irrigation can significantly increase production. Shawangwang is vulnerable to rabbit silkworms, and it is necessary to remove diseased plants in time after discovery, and it can also be sprayed with “Lubao No. 1†fungicides for prevention and control. The diseases and insect pests that cause harm to sand and sand have root rot, powdery mildew, and locusts to be promptly controlled.
From the second year onwards, it is possible to castrate 2 to 3 millets and sow once for 4 to 5 years or more. When sowing can receive fresh grass 1000-4000 pounds, up to 2000-6000 pounds after two years, high-yield up to 10,000 pounds or more. Sassafras flowering and seeding period is long, seed maturity is inconsistent, mature pods can crack on their own, and when the lower pods are brown, they can be harvested. Generally 20-70 kg per mu seed.
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