文档介绍：植物营养与肥料学报 2010 ,16 (3) : 688 - 694
Plant Nutrition and Fertilizer Science
生活污泥对白菜供磷和土壤磷状况的影响
(1农业部作物营养与施肥重点实验室、国农业科学院农业资源与农业区划研究所,北京 100081 ;
2中国科学院地理科学与资源研究所,北京 100101 ;
3北京市农林科学院植物营养与资源研究所,北京 100089 ; 4北京排水集团,北京 10000)
摘要:采用好气培养和盆栽试验以探明污泥磷的肥效,降低污泥施用导致的土壤磷累积引起的环境风险。结果表
明,单施污泥土壤有效磷含量和白菜吸磷量均显著低于施用磷酸一铵和鸡粪处理;施用污泥后有利于增加白菜生
于污泥与化肥混施处理;在 P2O5施用量为 90~270 kg/ hm2时,污泥堆肥磷的肥效为磷酸一铵的 25 %左右。
关键词:生活污泥;白菜;磷;有效性
Availability and Chinese cabbage uptake of phosphorous
in the soil amended with domestic se wage sludge
( 1 Ministry of Agriculture Key Laboratory of Crop Nutrition and Fertilization/ Institute of Agricultural Resources and Regional Planning ,
Chinese Academy of Agricultural Sciences , Beijing 100081 , China ; 2 Institute of Geographical Sciences and Natural Resources Research ,
Chinese Academy of Sciences , Beijing 100101 , China ; 3 Institute of Plant Nutrition and Natural Resources , Beijing Academy of Agriculture
and Forestry Sciences , Beijing 100089 , China ; 4 Beijing Drainage Group Co. Ltd. , Beijing 100000 , China)
Abstract : A laboratory incubation method and a pot culture experiment were conducted with the objective of investigating
the phosphorus efficiency of sewage sludge and decreasing the environmental risk due to the accumulation of P in soils.
manure. Soil phosphatase activities and available P at late growth stage of Chinese cabbage are increased un