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省农科院情报资料室印制的水稻叶片比色卡,是参照江苏省农科院的样本,结合我省水稻品种的实际情况调色印制的。其目的是供给在农村从事水稻栽培的广大科技人员,在运用促控措施时,参考水稻叶色的级别,比较准确合理地确定施肥数量和施肥时朔,搞好水浆管理,达到中谷长相,平衡增产。水稻叶片,是进行光合作用和制造营养物质的重要器官,它的颜色浓淡,首先是品种的特性,有的品种叶色浓一些,有的品种叶色淡一些。在大多数情况下,粳稻品种的叶色比籼稻深点,这在生产
Provincial Academy of Agricultural Sciences intelligence information room printed rice leaf color-coded card, with reference to Jiangsu Provincial Academy of Agricultural Sciences samples, combined with the actual situation of rice varieties in our province color printing. The purpose is to provide scientific and technical personnel engaged in rice cultivation in rural areas, the use of control measures, the reference to the level of rice leaf color, more accurately and rationally determine the amount of fertilization and fertilization of the new moon, do a good job of water slurry management, to Valley appearance, Balance increase production. Rice leaves, is an important organ for photosynthesis and the manufacture of nutrients, its color shade, first of all the characteristics of varieties, some varieties of leaf color thicker, and some varieties of leaf color lighter. In most cases, the leaf color of japonica varieties is deeper than that of indica rice, which is in production