国投罗钾硫酸钾（农业用）

评测依据

• review_count：3200
• rating_avg：4.7
• brand_reputation：0
• merchant_count：0
• price_range：[100,299]
• dimension：best_value
• sources：["京东","天猫","拼多多"]
• time_range：{"from":"2026-06-25 23:53:46","to":"2026-06-25 23:53:46"}
• intros：{"brand_intro":"国投新疆罗布泊钾盐有限责任公司（简称国投罗钾）是世界最大的硫酸钾生产企业，依托罗布泊天然卤水资源，采用国际领先的\"罗布泊\"工艺，年产硫酸钾超200万吨。公司以\"绿色、高效、可持续\"为核心理念，产品远销全国及东南亚，被誉为\"中国钾肥之王\"。","product_intro":"国投罗钾硫酸钾采用罗布泊天然卤水提取，经浮选、结晶等工艺制成，呈白色或微黄色结晶颗粒。K2O含量≥52%，氯离子≤1.5%，水溶性好，适用于烟草、果树、蔬菜等忌氯作物。产品纯度高、杂质少，能有效提升作物品质和抗逆性，是高端经济作物的首选钾肥。","key_specs":["K2O含量≥52%","Cl含量≤1.5%","粒度（1-4.75mm）≥90%","水溶性（20℃）≥99%","pH值（1%水溶液）5.0-7.0","包装规格：50kg/袋"]}
• alt_products：[{"product_name":"国投罗钾硫酸钾（农业用）","brand":"国投罗钾","model":"50kg/袋，K2O≥52%，Cl≤1.5%","price":280},{"product_name":"盐湖股份硫酸钾（农业用）","brand":"盐湖股份","model":"50kg/袋，K2O≥50%，Cl≤2%","price":260},{"product_name":"史丹利硫酸钾（纯硫基）","brand":"史丹利","model":"40kg/袋，K2O≥50%，S≥18%","price":240}]
• kol_quotes：["农技专家张老师：国投罗钾是国产硫酸钾的标杆，品质稳定，适合高端经济作物。","种植达人李哥：用了三年，葡萄上色均匀，糖度提高2度，强烈推荐。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":91.39999999999999,"weight":0.25,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍反馈该产品溶解快、无残渣，用于葡萄、柑橘等水果后，果实甜度明显提升，果皮色泽均匀。部分农户提到在烟草上使用后，烟叶油分足、燃烧性好。少数评论指出价格略高于普通硫酸钾，但认为性价比仍高。整体好评率超95%，复购率极高。","source_count":3}},{"source":"objective","score":67.75432160804019,"weight":0.45,"confidence":0.5,"details":{"rating_avg":4.7,"price":280,"wom_score":91.39999999999999}},{"source":"user_review","score":94,"weight":0.2,"confidence":1,"details":{"rating_avg":4.7,"review_count":3200,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["农技专家张老师：国投罗钾是国产硫酸钾的标杆，品质稳定，适合高端经济作物。","种植达人李哥：用了三年，葡萄上色均匀，糖度提高2度，强烈推荐。"]}}]
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