摘要
用ＳＡ沉淀剂提取草浆黑液碱木素，提取率可达８４．２５％，提取木素做为缓释剂掺入农药中制成的缓释性农药，经省内外２９１６亩稻田施用，其防效率、保苗率、幼虫死亡率均在９０％左右。是当前防治水稻二、三化螟等害虫的理想药剂。
Alkaline lignin from straw pulping black liquor can be recovered with SA precipitating agent and used in agriculture. The recovery rate of the lignin is about 84. 85%. The sustained releasing lignin──pesticide granules can be produced by mixing the pesticide with the alkaline lignin which is a nonpoisonous macromolecule with a networkstructure. Experiment results of applying this granules on over 1990 hectare paddy field indicated that the field could receive an ideal continuous pesticide action with a high pest-killing effect in a long period, and saving time, labour and pesticide, reducing pollution could also be achieved by using the granules.
出处
《中国造纸》
CAS
北大核心
1995年第3期35-40,共6页
China Pulp & Paper
关键词
碱木素
缓释剂
缓释性
农药
黑液
SA precipitating agent,alkaline lignin,sustained releasing lignin-pesticide
