金正大缓释尿素（控释氮肥）

评测依据

• review_count：15230
• rating_avg：4.7
• brand_reputation：0
• merchant_count：0
• price_range：[100,299]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 00:02:58","to":"2026-06-26 00:02:58"}
• intros：{"brand_intro":"金正大生态工程集团股份有限公司成立于1998年，是中国领先的缓控释肥生产商，拥有亚洲最大的缓控释肥生产基地。公司专注于新型肥料研发，参与制定多项国家行业标准，产品远销全球30多个国家，被誉为\"中国缓控释肥领军企业\"。","product_intro":"金正大缓释尿素采用国际先进的聚氨酯包膜技术，养分释放与作物需肥规律同步，有效减少氮素流失。适用于玉米、水稻、小麦等大田作物，一次施用可满足作物全生育期氮素需求，省工省力，利用率较普通尿素提高30%以上。","key_specs":["总氮含量≥46%","控释期：60天","包膜材料：聚氨酯树脂","粒度：2-4mm","适用作物：玉米、水稻、小麦、果树","施用方式：基施或追施"]}
• alt_products：[{"product_name":"金正大缓释尿素（控释氮肥）","brand":"金正大","model":"N≥46% 控释期60天","price":128},{"product_name":"中化缓释尿素（美农控释氮肥）","brand":"中化化肥","model":"N≥46% 控释期70天","price":138},{"product_name":"史丹利缓释尿素（纯硫基控释氮肥）","brand":"史丹利","model":"N≥46% 控释期90天","price":145}]
• kol_quotes：["农技专家王老师：金正大缓释尿素是传统尿素升级的标杆产品，尤其适合规模化种植户。","三农达人老李：用了三年，玉米亩产稳定在1400斤以上，比普通尿素多收100多斤。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":91.39999999999999,"weight":0.25,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍反馈肥效持久，玉米后期不脱肥，叶片浓绿。部分农户提到与普通尿素相比，每亩可减少追肥次数1-2次，省工效果明显。少数评论指出在沙质土壤中释放速度略快，建议适当增加用量。整体好评率超过95%，复购率高。","source_count":0}},{"source":"objective","score":90.6688944723618,"weight":0.45,"confidence":0.5,"details":{"rating_avg":4.7,"price":128,"wom_score":91.39999999999999}},{"source":"user_review","score":94,"weight":0.2,"confidence":1,"details":{"rating_avg":4.7,"review_count":15230,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["农技专家王老师：金正大缓释尿素是传统尿素升级的标杆产品，尤其适合规模化种植户。","三农达人老李：用了三年，玉米亩产稳定在1400斤以上，比普通尿素多收100多斤。"]}}]
• method_version：v2
• search_visual：null