摘要
太浦河水利工程在其施工过程中产生的800hm2吹泥土是人工形成的新生堆积土,未经改良不能农业利用,其主要限制因子为土壤内部水分过多、土壤肥力低下、有机质含量过低、氮磷缺少.搞好农田基本建设,利用塑料暗管加速土壤内部排水,施用较多的有机肥和化肥,推广秸秆还田和种植玉米进行生物排水等.是改良利用吹泥土行之有效的措施,通过这些措施的实施,吹泥土可以逐步达到普通田块的生产水平.
Under construction of water conservancy works of the Taipu River, about eight hundred hectares of river sprouted dredged slime-derived soil were formed. This soil is a sort of artificially formed cumulose soil and must be improved for farming use. According to our investigation, the main limiting factors in agricultural use of this soil were excessive moisture, scarce orgenic matter, poor nitrogen and phosphorus contents, so the soil fertility was too low to be used in agriculture. The field experiments showed that buildillg farmland capital construction, burying plastic drainage pipes, applyillg abundant manure and fertilizers, returning crop straw to fields, growing maize for biological drainage, and so on,were effective measures to improve river spouted dredged slime-derived soil. The agricultural production on this soil could achieve the same level as in common fields by these measures.
出处
《上海农业学报》
CSCD
1996年第3期36-42,共7页
Acta Agriculturae Shanghai
关键词
吹泥土
土壤改良
秸秆还田
生物排水
River spouted dredged slime-derived soil
Soil improvment
Returning straw to field
Biological drainage