Nutritional characteristics and fertilization techniques of sugarcane

Sugarcane is a perennial herb that harvests the upper stem of the ground and is divided into two types: sugar cane and sugar. The national sugarcane planting area in 2008 was 23 million mu, mainly distributed in Guangxi, Yunnan and Guangdong. Sugarcane growth capacity, the general output of up to 5 tons / acre, high-yield cane up to 10 tons / acre, if not supply enough nutrients, it will be affected growth and yield. Comprehensive research, each production of 1000 kg of cane stems, need to absorb nitrogen 1 ~ 2 kg, phosphorus 0.5 kg, potassium 1.5 ~ 3 kg, magnesium 0.5 kg. In the total fertilizer requirement during the whole growth period , the seedling period accounts for about 1% , the tillering period accounts for 8% to 12% , the jointing period accounts for more than 40% , and the maturity period accounts for 30 %.

Different from sugar cane, fruit cane requires a large amount of fertilizer and many times of fertilization. When the target yield is 8 tons / mu, it can recommend base fertilizer Entek high-nitrogen formula 25 kg / mu to promote rapid growth of sugarcane buds and root growth; Entai grams of potassium fertilizer formulations 50 kg / mu, not only promote the growth of sugarcane seedlings and roots, but also promote the growth of leaves, the leaf area continues to expand, improve photosynthesis, thus promoting faster hair early tillering; jointing stage chasing high Shientaike Potassium formula 50 kg / mu, can meet the needs of a large number of elements throughout the growing season of sugar cane, combined with high-cultivation soil after topdressing; if mixed with single-fertilizer fertilizer, potassium can use red cattle large particles of potassium chloride or red calf potassium chloride fat 50 kg / acre, basal 40%, 60% fat stem attack.