Xi J G,Zhou J B.Leaching and transforming characteristics of urea-N added by different ways of fertigatlon[J].Plant Nutr.Fert.Sci.,2003,9(3):271 275.

• [20]习金根；周建斌.；不同灌溉施肥方式下尿素态氮在土壤中迁移转化特性的研究[J]