Compound fertilizer and application thereof

The invention provides a compound fertilizer, which is prepared from the following components in parts by weight: 500 to 600 parts of liquid compound amino acid, 150 to 250 parts of molasses, 55 to 75 parts of magnesium nitrate, 50 to 55 parts of zinc nitrate, 15 to 20 parts of EDTA (Ethylene Diamine Tetraacetic Acid) iron, 3.5 to 5.5 parts of copper sulfate pentahydrate, 16 to 17 parts of manganese sulfate monohydrate, 14 to 16 parts of boric acid, 0.1 to 0.7 part of ammonium heptamolybdate, 12 to 17 parts of glycine and 50 to 90 parts of water. The invention also provides application of the compound fertilizer. The invention solves the problem that the compound fertilizer in the prior art cannot well increase the sweetness of pineapples. 本发明提供了一种复合肥，按重量计，其包括液体复合氨基酸500-600份，糖蜜150-250份，硝酸镁55-75份，硝酸锌50-55份，EDTA铁15-20份，五水硫酸铜3.5-5.5份，一水硫酸锰16-17份，硼酸14-16份，七钼酸铵0.1-0.7份，甘氨酸12-17份，水50-90份。本发明还提供了该复合肥的应用。本发明解决了现有技术中的复合肥不能很好增加菠萝甜度的问题。