中化化肥尿素硝酸铵钙（UAN+Ca）液体氮肥

评测依据

• review_count：620
• rating_avg：4.8
• brand_reputation：0
• merchant_count：0
• price_range：[0,99]
• dimension：best_value
• sources：["京东","天猫"]
• time_range：{"from":"2026-06-26 00:03:00","to":"2026-06-26 00:03:00"}
• intros：{"brand_intro":"中化化肥有限公司是中国中化集团旗下核心企业，成立于1950年，是中国最大的化肥进口商和主要生产商之一。公司拥有全球化的采购网络和先进的农化服务体系，产品覆盖氮肥、磷肥、钾肥及新型肥料。中化化肥UAN系列引入国际标准，在高端经济作物区口碑极佳，尤其受大型农场和出口基地青睐。","product_intro":"中化化肥UAN+Ca液体氮肥总氮含量≥28%，特别强化钙元素（≥1.5%），采用螯合技术提高钙的移动性。产品能有效预防苹果苦痘病、番茄脐腐病等缺钙生理病害。pH值中性，对土壤和作物温和。在苹果、樱桃、草莓等高端水果上应用广泛，能显著提升果实硬度和耐储性。包装采用食品级桶，安全环保。","key_specs":["总氮含量≥28%","硝态氮7%+铵态氮7%+酰胺态氮14%","钙含量≥1.5%（螯合态）","pH值6.5-7.5","电导率≤1.5 mS/cm","包装规格：20kg/桶"]}
• alt_products：[{"product_name":"中化化肥尿素硝酸铵钙（UAN+Ca）液体氮肥","brand":"中化化肥","model":"SINOCHEM-UAN-CA-28-0-0","price":48},{"product_name":"史丹利尿素硝酸铵钙（UAN）液体氮肥","brand":"史丹利","model":"SDLUAN-32-0-0","price":45},{"product_name":"金正大尿素硝酸铵溶液（UAN）液体氮肥","brand":"金正大","model":"JZDUAN-30-0-0","price":42}]
• kol_quotes：["果树专家刘教授：中化UAN+Ca解决了氮钙同补的难题，是高端果园的标配。","小红书农业博主@果园日记：用了之后草莓硬度好，快递运输损耗降低。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":94.1,"weight":0.25,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价\"高端果品必备\"，陕西苹果种植户反馈\"苦痘病减少80%，果面光洁\"。部分用户认为价格偏高，但亩投入增加有限。天猫旗舰店评分4.9，有买家晒图对比使用后果实硬度明显提升。建议在果实膨大期和转色期使用，配合钾肥效果更佳。物流包装严密，无漏液现象。","source_count":2}},{"source":"objective","score":81.98954545454545,"weight":0.45,"confidence":0.5,"details":{"rating_avg":4.8,"price":48,"wom_score":94.1}},{"source":"user_review","score":96,"weight":0.2,"confidence":1,"details":{"rating_avg":4.8,"review_count":620,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["果树专家刘教授：中化UAN+Ca解决了氮钙同补的难题，是高端果园的标配。","小红书农业博主@果园日记：用了之后草莓硬度好，快递运输损耗降低。"]}}]
• method_version：v2
• search_visual：null