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... > PHYSICAL SCIENCES > chemistry > chemical substances > chemical elements and compounds > inorganic compounds > inorganic salts > phosphates (salts) > metaphosphates > urea metaphosphates

... > PHYSICAL SCIENCES > chemistry > chemical substances > chemical elements and compounds > organic/inorganic compounds > salts > inorganic salts > phosphates (salts) > metaphosphates > urea metaphosphates

... > PHYSICAL SCIENCES > chemistry > chemical substances > chemical substances by use or effect > fertilizers > fertilizers by composition > phosphorus fertilizers > condensed phosphates > metaphosphates > urea metaphosphates

... > APPLIED SCIENCE AND TECHNOLOGY > technology and engineering > materials > materials by form > soil improvement materials > soil amendments > fertilizers > fertilizers by composition > phosphorus fertilizers > condensed phosphates > metaphosphates > urea metaphosphates

... > PHYSICAL SCIENCES > chemistry > chemical substances > chemical substances by use or effect > fertilizers > fertilizers by composition > phosphorus fertilizers > urea phosphates > urea metaphosphates

... > APPLIED SCIENCE AND TECHNOLOGY > technology and engineering > materials > materials by form > soil improvement materials > soil amendments > fertilizers > fertilizers by composition > phosphorus fertilizers > urea phosphates > urea metaphosphates

... > PHYSICAL SCIENCES > chemistry > chemical substances > chemical substances by use or effect > fertilizers > fertilizers by composition > nitrogen fertilizers > urea fertilizers > urea phosphates > urea metaphosphates

... > APPLIED SCIENCE AND TECHNOLOGY > technology and engineering > materials > materials by form > soil improvement materials > soil amendments > fertilizers > fertilizers by composition > nitrogen fertilizers > urea fertilizers > urea phosphates > urea metaphosphates