金正大尿素硝酸铵溶液（UAN）

评测依据

• review_count：6500
• rating_avg：4.8
• brand_reputation：0
• merchant_count：0
• price_range：[2000,4999]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 00:02:57","to":"2026-06-26 00:02:57"}
• intros：{"brand_intro":"金正大生态工程集团股份有限公司成立于1998年，是亚洲最大的缓控释肥生产企业，也是全球领先的植物营养专家。公司专注于新型肥料研发，拥有多项国家专利，产品包括控释肥、水溶肥、液体肥等，以'帮助农民增收，促进农业发展'为使命，在高端肥料市场享有盛誉。","product_intro":"金正大尿素硝酸铵溶液（UAN-32%增效型）在传统UAN基础上添加了聚谷氨酸等生物刺激素，能螯合养分、促进根系生长。产品含氮量32%，速效与长效结合，同时提高作物抗逆性，减少氮素流失。特别适合设施蔬菜、水果等高附加值作物，可显著提升产量和品质，是新一代高效液体氮肥。","key_specs":["总氮含量≥32%","硝态氮含量≥7.5%","铵态氮含量≥7.5%","酰胺态氮含量≥17%","聚谷氨酸含量≥0.5%","包装规格：200L/桶、20L/桶"]}
• alt_products：[{"product_name":"金正大尿素硝酸铵溶液（UAN）","brand":"金正大","model":"UAN-32% 增效型","price":2950},{"product_name":"史丹利尿素硝酸铵溶液（UAN）","brand":"史丹利","model":"UAN-32%","price":2800},{"product_name":"中化尿素硝酸铵溶液（UAN）","brand":"中化化肥","model":"UAN-28%","price":2600}]
• kol_quotes：["农技推广专家刘教授：'金正大增效UAN代表了液体肥发展方向。'","B站农业UP主@大棚小能手：'用了这个，我的草莓又大又甜，客户抢着要。'"]
• scoring_breakdown：[{"source":"word_of_mouth","score":93.39999999999999,"weight":0.25,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价极高，认为增效型效果优于普通UAN。山东寿光菜农反馈'使用后番茄转色均匀，产量提高20%'。部分用户提到价格稍贵，但增产收益远超成本。少数评论指出需按说明稀释，避免浓度过高。整体好评率接近98%，尤其受高端种植户追捧，厂家提供免费测土服务。","source_count":0}},{"source":"objective","score":86.7868322774258,"weight":0.45,"confidence":0.5,"details":{"rating_avg":4.8,"price":2950,"wom_score":93.39999999999999}},{"source":"user_review","score":96,"weight":0.2,"confidence":1,"details":{"rating_avg":4.8,"review_count":6500,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["农技推广专家刘教授：'金正大增效UAN代表了液体肥发展方向。'","B站农业UP主@大棚小能手：'用了这个，我的草莓又大又甜，客户抢着要。'"]}}]
• method_version：v2
• search_visual：null