Special organic fertilizer for improving sweetness and quality of citrus and preparation method

The invention discloses special organic fertilizer for improving sweetness and quality of citrus. The special organic fertilizer for improving sweetness and quality of the citrus is prepared from straws, plant ashes, mushroom residues, peanut residues, peanut shells, sesame residues, peat, humic acid, biological bacteria agents, urea, potassium sulfate, ammonium phosphate, lime and trace element mixtures. The special organic fertilizer for improving sweetness and quality of the citrus can improve sugar content of the citrus, enhance disease resistance of plants and improve appearance quality of fruits, and has immense effects of preventing citrus yellow shoot. The invention also provides a preparation method for the special organic fertilizer for improving sweetness and quality of the citrus. 本发明公开了种柑桔增甜提质专用有机肥,包括秸秆、草木灰、蘑菇渣、花生渣、花生壳、芝麻渣、泥炭、腐殖酸、生物菌剂、尿素、硫酸钾、磷酸铵、石灰、微量元素混合物。所述柑桔增甜提质专用有机肥能够提高柑桔糖度，增强植物抗病性，改善果实的外观品质，预防柑桔黄龙病起巨大作用。本发明还提供种制备柑桔增甜提质专用有机肥的方法。