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住友化学(株)在长野市的八洲化学工场建立了种子包衣设备,开发蔬菜种子包衣技术,已开始实用化.该项技术在欧美国家已经普及,近来在日本由于能提高播种效率、节省人工和种子,也颇受注意.住化式包衣的种子,表面包以天然物质和土壤,对种子无不良影响,易吸水,包衣层坚固,造粒均匀,便于输送和机械播种,发芽率90～100%.例如莴苣种子,原外形不规则,包衣后成为均一形状.其每10公亩仅播用80毫升,而通常普通种子则需300毫升,包衣种子可节约1/3～1/4.包衣种子的价格,依种子种类而异,一般裸种子每升为2～4万日元.
Sumitomo Chemical Co., Ltd. has established a seed coating facility at the Chaya Chemical Plant in Nagano City to develop vegetable seed coating technology and has started to become more practical.This technology has become widespread in Europe and the United States, and recently in Japan, due to its ability to increase sowing efficiency, Save labor and seeds, but also quite attention.Cultivation of the seed coating, the surface of the package with natural materials and soil, no adverse effects on the seeds, easy to absorb water, solid coating, granulation uniform, easy to transport and mechanical sowing, The germination rate is 90-100% .For example, the lettuce seeds, the original appearance of the irregular shape after coating into a uniform shape of its per 10 acres only 80 ml, and usually ordinary seeds need 300 ml, coated seeds can save 1 / 3 ~ 1 / 4. The price of coated seeds, depending on the species of seed, the average naked seed per liter of 2 to 40,000 yen.