http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Sử dụng hiệu quả phân bón Văn Điển ở Việt Nam
Gồm 43 bài viết trình bày những vấn đề chung về phân lân và phân lân nung chảy, sử dụng phân lân nung chảy và các loại phân bón hỗn hợp có chứa phân lân nung chảy cho cây trồng ở Việt Nam.