Sowing the grass correctly

The determination of pasture sowing date must take into consideration the following aspects: Water, light and heat conditions are conducive to the rapid germination and colonization of pasture seed, reducing the damage of weeds and pests to forage grass, and helping the pasture to safely pass winter or be safe in summer. The respective biological characteristics. The sowing time of pasture is usually divided into spring sowing, summer sowing, summer sowing and autumn sowing depending on the region and pasture species. In spring sowing, spring pastures in some annual pastures or perennial pastures should be planted in the spring. Spring sowing grasses can make full use of abundant natural resources such as rain and heat in summer and autumn. However, when spring forages are sown in spring, they are often endangered by weeds and require field management. In the north temperate regions of China, due to the low temperature and unstable weather in spring, low precipitation, and large evaporation, the spring sowing is often not successful. To improve the planting success rate, the planting success rate can be increased. In the summer or summer season where the rain and heat are relatively stable, there are some seasonal pastures that can be planted during this season, except for perennial pastures; autumn sowing should be carried out for some of the more recent annual pastures or perennial winter pastures. Because these pastures do not produce very good yields in the other seasons, they can obtain high yields in the second year after winter sowing, and autumn sowing forages can prevent weeds from being infested, but care should be taken to prevent freezing damage to pastures.

Sowing method

The methods for sowing grass are mainly seedling, sowing, on-demand and seedling transplanting. Drilling is the use of seeders or manpower sowing, and sometimes artificial ditching. The line spacing during drilling is generally 15 cm to 30 cm. The specific width can be determined according to the soil moisture, fertilizer, etc. The fertile and well-irrigated areas can be narrowed appropriately. Relatively barren and relatively dry areas can be appropriately widened. , such as alfalfa, clover, ryegrass, grain alfalfa and so on. Spreading is the use of a spreading machine or artificially spreading seeds on the ground and then covering them with cover soil. This method will cause inconsistent seedlings, but it is suitable for large-scale pasture sowing, such as alfalfa, ryegrass, sand wangwang, and grass hibiscus. On-demand, also known as hole sowing, is to plant seeds at a certain distance from a hole. This method is generally used for the seeding of large and well-developed pastures. On-demand seeding not only saves seeds, but also is easy to emerge, such as Mexican corn, Sudan grass, bitter chives, Bunches of pine vanilla, Rumex and others. For transplanting seedlings, some forages that are difficult to grow directly can be cultivated first. When the seedlings grow to a certain height or at a certain stage, the seedlings are transplanted and transplanted into the fields such as the pine cone herb, Rumex, chicory and so on.

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