Young, C. C. 1991. Application of biofertilizers for forestry seedlings and extension. Proceeding in Symposium of Forestry Technics for Main Forestry Species 132-139.
Young, C. C. 1991. Application of biofertilizers for forestry seedlings and extension. Proceeding in Symposium of Forestry Technics for Main Forestry Species 132-139.
杨秋忠?1992?微生物肥料在林木育苗之应用及推广?主要造林树种育林技术研讨会132-139.