The present invention relates to a crop complex nutrient for improving the quality of crops to promote growth and to improve the flowering and fruiting of crops, based on 100 parts by weight of amino acids, 20-30 parts by weight of urea, 13-18 parts by weight of potassium chloride, 3 to 8 parts by weight of boron, 3 to 8 parts by weight of zinc sulfate, 17 to 25 parts by weight of magnesium sulfate (goto), 20 to 30 parts by weight of phosphoric acid, 9 to 14 parts by weight of methylsulfonylmethane, 5 to 10 parts by weight of nucleic acid, and 9 to 21 parts by weight of the water-soluble seaweed extract powder.본 발명은 농작물의 품질을 개선하여 성장을 촉진하고, 농작물의 개화와 착과를 개선하는 농작물 복합영양제에 관한 것으로, 아미노산 100중량부를 기준으로, 요소 20~30 중량부, 염화칼륨 13~18 중량부, 붕소 3~8 중량부, 황산아연 3~8중량부, 황산(고토)마그네슘 17~25중량부, 인산 20~30 중량부, 메틸설포닐메탄 9~14중량부, 핵산 5~10중량부 및 수용성 해초 추출 분말 9~21 중량부를 포함한다.
