QIN Li,XU Fan,GUO Wenzhong,et al.Effects of Waste Rock Wool and Cutting on the Physicochemical Properties of Substrates and Vegetable Growth[J].Northern Horticulture,2022,(24):1-10.[doi:10.11937/bfyy.20221220]
废旧岩棉处理方式对基质理化性质及蔬菜生长的影响
- Title:
- Effects of Waste Rock Wool and Cutting on the Physicochemical Properties of Substrates and Vegetable Growth
- Keywords:
- waste rock wool; reuse; particle size; physicochemical properties; pepper
- 文献标志码:
- A
- 摘要:
- 以不同粒径（1、2、3 cm）的废旧岩棉为基质，采用盆栽试验法，研究了旧岩棉垫和不同粒径旧岩棉基质的理化性质及对蔬菜植株生长、产量等的影响，以期解决温室废旧岩棉的处理问题，用低成本实现岩棉有效再利用。结果表明：切割重组的方式可有效改变基质的理化性质。田间种植试验显示，切割重组岩棉可以促进辣椒生长，使产量提高5.5%~28.9%，但未影响单茬生菜的产量。因此，通过切割重组的方法调整基质理化性质，实现废旧岩棉基质的重复利用来种植蔬菜是可行的，种植叶菜2种粒径均可，种植辣椒的适宜粒径是2 cm×2 cm×2 cm，该结果为明确旧岩棉理化性质的变化、解决温室废旧岩棉处理和再利用提供了有效的方法和指导。
- Abstract:
- Taking waste rock wool with different particle sizes (1,2,3 cm) as the matrix,a pot experiment was carried out.The physical and chemical properties of old rock wool mat and old rock wool matrix with different particle sizes and their effects on vegetable growth and yield were studied,in order to solve the treatment problem of greenhouse waste rock wool and realize effective reuse of rockwool with low cost.The results showed that the physical and chemical properties of the matrix could be effectively changed by the cutting and recombination method.Field experiments showed that cutting recombinant rock wool could promote the growth of pepper and increase the yield by 5.5%-28.9%.However，the yield of single crop of lettuce was not affected.Therefore，it was feasible to adjust the physical and chemical properties of substrates by cutting and recombining to realize the reuse of waste rock wool substrates to grow vegetables.Two sizes of leaf vegetables could be grown，and the appropriate size of pepper was 2 cm×2 cm×2 cm.The results provided an effective method and guidance for clarifying the change of physicochemical properties of old rock wool and solving the treatment and reuse of waste rock wool in greenhouse.
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备注/Memo
第一作者简介：秦黎（1997-），男，硕士研究生，研究方向为设施蔬菜无土栽培与资源高效利用。E-mail:1963125217@qq.com.责任作者：徐凡（1982-），女，博士，高级工程师，现主要从事设施蔬菜无土栽培与资源高效利用等研究工作。E-mail:luckyfan@126.com.基金项目：国家重点研发计划政府间国际科技创新合作专项资助项目（2019YFE0125100）；宁夏回族自治区重点研发计划重大（重点）资助项目（2018BBF02024，2018BBF02011）。收稿日期：2022-03-30