1 包衣种子应具备的条件1.1 包衣种子必须是经过精选、浸选的优良品种;1.2 包衣种子的成熟度、纯净度、发芽率、破损率必须符合良种标准;1.3 棉花种子包衣前必须经过硫酸脱绒,发芽率高于85％,破损率低于3％,残酸量小于0.15％。这是对包衣棉种的特殊要求。2 因地因需选用种衣剂型 根据不同地区不同农作物,经过多年研究和区域试验示范,已研制出多种不同型号的种衣剂,并通 1 coated seeds should have the conditions 1.1 coated seeds must be selected, dipping the fine varieties; 1.2 coated seeds maturity, purity, germination rate, breakage rate must meet the standards of seed; 1.3 cotton seed coating Before the sulfuric acid must be velvet, germination rate higher than 85%, the damage rate of less than 3%, residual acid less than 0.15%. This is a special requirement for coated cotton seed. 2 due to the need to use seed coating type According to different crops in different regions, after years of research and regional experimental demonstration, has developed a variety of different types of seed coating agent, and through