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两类氮肥在果园中的不同用途氮肥有铵态氮肥和硝态氮肥两种。常用的硝酸钾、硝酸钙、硝酸钠等肥料中的氮素属于硝态氮，在果树上硝态氮能明显促进新梢生长，减少花芽分化。常用的硫酸铵、尿素、碳酸氢氢、氨水等肥料中的氮素属于铵态氮，在果树上铵态氮不仅能促进新梢生长...
Two types of nitrogen in the orchard in different uses Nitrogen fertilizer ammonium nitrate and nitrate nitrogen two. Commonly used potassium nitrate, calcium nitrate, sodium nitrate and other fertilizers nitrogen is nitrate nitrogen, nitrate nitrogen in the tree can significantly promote the growth of new shoots to reduce flower bud differentiation. Commonly used ammonium sulfate, urea, hydrogen carbonate, ammonia and other fertilizers in the nitrogen is ammonium nitrogen, ammonium nitrogen in fruit trees can not only promote the growth of new shoots ...