A plot experiment was conducted to study the changes of soil ammonium and nitrate,and yield and quality of tomato after application of Japanese thermoplastic resin coated urea MEISTER LP100 and LP100 plus dicyandiamide (DCD) in greenhouse.

• 通过温室小区试验 ,研究了日本热塑性树脂包膜尿素MEISTERLP10 0以及LP10 0配施双氰铵 (DCD)后土壤NH+ 4-N、NO-3 -N以及番茄产量和质量的变化。