金正大树脂包膜控释尿素

评测依据

• review_count：2850
• 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":"2026-06-26 00:03:04","to":"2026-06-26 00:03:04"}
• intros：{"brand_intro":"金正大生态工程集团股份有限公司成立于1998年，是中国最大的控释肥生产企业之一，拥有国家缓控释肥工程技术研究中心。公司专注于新型肥料研发与推广，产品涵盖控释肥、水溶肥、生物肥等，致力于为农业提供高效、环保的施肥解决方案，品牌在农资领域享有极高声誉。","product_intro":"金正大树脂包膜控释尿素采用国际领先的聚氨酯树脂包膜技术，通过膜层控制养分释放速率，实现氮素与作物生长需求同步。产品养分释放期可达60-120天，显著提高氮肥利用率至50%以上，减少淋溶挥发损失。适用于玉米、水稻、小麦等大田作物，一次施用免追肥，省工省力。","key_specs":["总氮含量≥46%","控释期60-120天","包膜材料：聚氨酯树脂","初期溶出率≤15%","28天累积释放率≤80%","颗粒粒径2-4mm"]}
• alt_products：[{"product_name":"金正大树脂包膜控释尿素","brand":"金正大","model":"控释氮肥 46% N","price":135},{"product_name":"史丹利树脂包膜控释尿素","brand":"史丹利","model":"纯硫基控释氮肥 46%","price":128},{"product_name":"中化树脂包膜控释尿素","brand":"中化化肥","model":"美农控释氮肥 46%","price":140}]
• kol_quotes：["金正大控释尿素是懒人种田的福音，一次撒施管一季。","树脂包膜技术让氮肥利用率翻倍，环保又高效。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":90.79999999999998,"weight":0.25,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍反馈肥效持久，玉米、水稻追肥次数明显减少，省工效果突出。多位种植大户表示亩产提升5%-10%，且后期不脱肥。部分用户指出价格略高于普通尿素，但综合算账性价比更高。少量评论提到在沙土地需注意控释期匹配，总体好评率超过95%。","source_count":3}},{"source":"objective","score":89.40361809045226,"weight":0.45,"confidence":0.5,"details":{"rating_avg":4.7,"price":135,"wom_score":90.79999999999998}},{"source":"user_review","score":94,"weight":0.2,"confidence":1,"details":{"rating_avg":4.7,"review_count":2850,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["金正大控释尿素是懒人种田的福音，一次撒施管一季。","树脂包膜技术让氮肥利用率翻倍，环保又高效。"]}}]
• method_version：v2
• search_visual：null