Cultivation of sweet sorghum for feeding
Feeding sweet sorghum is a new breed of food-feed-use crops that can be used as a high-energy silage, and can also be used for winemaking and sugar production. Through a few years of trial planting, it is characterized by tall plants, thick stems, large leaf volume, and high biological yield. Plant height can reach 4-4.5 meters when heading. The performance in the northern region was late-maturing and the whole growth period was about 150 days. The stalk has a high sugar content and a sugar hammer of 17% to 18%. The biomass yield is high, with 150-400 kilograms of seeds per mu and 5000-8000 kilograms of stems and leaves per mu. The yield is significantly higher than that of silage corn. Spring sowing is based on the temperature of 5 cm below the ground and the temperature is stable at 12°C. Spring sowing in Beijing is generally around April 20, and it can also be planted in May. When planting, ensure that the bottom pods are adequate and that 1 mus is sown. Sowing depth of about 3 cm. Mu 100 ml of Atrazine is used for chemical weeding before emergence. 3-4 leaf stage time seedlings, 6,000-10,000 strains per mu, row spacing can choose 40 centimeters and 20 centimeters. After entering the jointing period, the demand for water and fertilizer increased significantly. According to the situation, top dressing and watering were applied at the right time, and 10 kg of urea was topdressed. In case of drought, pay attention to watering. Sweet sorghum with high sugar content in stems and leaves, easy to attract locusts, can be used to prevent and control Wei Wei. Sweet sorghum has the highest sugar content during grain ripening. It is suitable as a silage or mixed with silage corn. Feeding dairy cows can increase milk production by 1-2 kg per day. China Agricultural Network Editor
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