三北速生杨树苗

评测依据

• review_count：12800
• rating_avg：4.7
• brand_reputation：0
• merchant_count：0
• price_range：[0,99]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 01:40:50","to":"2026-06-26 01:40:50"}
• intros：{"brand_intro":"三北种业成立于1998年，是中国北方最大的防护林种苗供应商之一，专注于抗逆性树种研发。公司拥有国家级林木种苗基地，累计供应超10亿株苗木，参与三北防护林、京津风沙源治理等国家重点工程，以'根系发达、成活率高'著称，在农户和林业局中口碑极佳。","product_intro":"SB-107杨是经国家审定推广的速生杨品种，生长速度比普通杨树快30%，5年即可成材。树干通直，抗病虫害能力强，特别适合北方干旱、半干旱地区营造防护林。裸根苗发货，根系经保湿处理，春季种植成活率可达95%以上，是退耕还林和农田林网建设的首选品种。","key_specs":{"适用区域":"东北、华北、西北地区","苗龄":"1-2年生","苗高":"1.5-2.5米","地径":"1.5-2.0厘米","耐寒温度":"-35℃","种植密度":"3×4米（每亩55株）"}}
• alt_products：[{"product_name":"三北速生杨树苗","brand":"三北种业","model":"SB-107杨","price":2.5},{"product_name":"绿源侧柏容器苗","brand":"绿源苗木","model":"LY-CB-3","price":3.8},{"product_name":"林海樟子松营养钵苗","brand":"林海种苗","model":"LH-ZS-4","price":5}]
• kol_quotes：["林业专家李教授：'SB-107是北方沙区造林的主力品种，生态效益显著。'","抖音三农博主'种树老张'：'这苗子根好，埋土踩实浇透水，基本不用管。'"]
• scoring_breakdown：[{"source":"word_of_mouth","score":92.89999999999999,"weight":0.3,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍反馈该杨树苗根系完整、包装保湿到位，种植后发芽快。河北农户评价'去年种了500棵，成活率98%，比本地苗长得快'。林业局采购人员称其'抗风折能力强，三年后林相整齐'。少数南方用户反映夏季高温时需加强浇水，但总体满意度高，复购率超过40%。","source_count":0}},{"source":"objective","score":94.65742424242424,"weight":0.35,"confidence":0.5,"details":{"rating_avg":4.7,"price":2.5,"wom_score":92.89999999999999}},{"source":"user_review","score":94,"weight":0.25,"confidence":1,"details":{"rating_avg":4.7,"review_count":12800,"source":"product_reviews_aggregate"}},{"source":"expert","score":80.80000000000001,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"matched_count":2,"base_score":82,"weighted_score":80,"sample":["林业专家李教授：'SB-107是北方沙区造林的主力品种，生态效益显著。'","抖音三农博主'种树老张'：'这苗子根好，埋土踩实浇透水，基本不用管。'"]}}]
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