Planting techniques of Mexican corngrass

Choose improved varieties for planting, such as Mexican Corn Caoyou 12. It is suitable for early sowing in spring, the sowing rate is 1.5-2kg per mu, and the seeds are soaked in 30 ℃ warm water for 24 hours before sowing. The surface of the border should be kept moist after sowing, and the seedlings should grow slowly within 30-50 days. Attention should be paid to weeding. Harvesting begins when the plant height is above 50cm 45 days after sowing, and stubble 5cm should be retained. Since then, it can be cut again every 20 days, and the whole growth period can be cut 8-10 times.

1. Land preparation

Mexican corn beard roots deep into the soil, requiring deep ploughing, deep ploughing can create a loose ploughing layer, which is conducive to increasing production. In the depth of ploughing layer, the greater the ploughing depth, the greater the yield increase. The depth of ploughing should not be less than 22cm and 40cm or better.

2. Sowing seeds

It is suitable for early sowing in spring, and spring sowing of Panzhihua should be from late March to early April, making a 1.5m wide bed on the leveled land in front, and applying sufficient base fertilizer to repair the drainage ditch. The sowing rate was 1.5-2kg per mu, and the seeds were soaked in 30 ℃ warm water for 24 hours before sowing. According to the line of 40cm × 60cm, hole sowing or seedling transplanting was used. When sowing, you only need to cover the fine soil slightly. The surface of the border should be kept moist after sowing, and the seedlings should grow slowly within 30-50 days. Attention should be paid to weeding.

3. Harvest

Mexican corn grass has a height of 3m and luxuriant stems and leaves. It entered the rapid growth period 30 days after sowing, and each plant could tiller more than 20 plants, and as many as 60-70 plants. 45 days after sowing, harvesting begins when the plant height is above 50cm, and stubble 5cm should be left to facilitate rapid growth. Since then, it can be cut again every 20 days, and the whole growth period can be cut 8-10 times. If properly managed, the yield of green forage grass can be more than 30000kg per mu.