澳大利亚农民日益采用粉碎回收玻璃作为农业肥料，以提高土壤生产力和作物产量1。布里斯班新建的一家工厂投资400万澳元，将回收玻璃瓶加工成农业产品，每周向全国农民供应20吨地碎玻璃、粉末和颗粒1。这些回收玻璃瓶来自昆士兰州的Containers for Change项目，每个玻璃瓶的回收价格为10澳分1。
粉碎玻璃中的硅元素能够释放磷酸盐，使植物根部能够吸收土壤中被固化的养分，从而帮助农民减少化肥使用量1。农民报告显示，采用该方法后植物生长和生产力可能改善25-30%1。在畜牧方面，效果同样显著——冬季牛的日增重从0.7-0.8公斤提高到1.4-2公斤1。这一做法不仅提升了农业产出，还缓解了进口肥料供应短缺的压力1。
Australian farmers are increasingly adopting crushed recycled glass as an agricultural fertilizer to enhance soil productivity and crop output.1 A newly established A$4 million facility in Brisbane processes recycled glass bottles into agricultural products, leveraging the silicon content to protect plants, release locked-up nutrients in soil, and help farmers reduce their reliance on chemical fertilizers.1
Farmers using the material have reported improvements in plant growth and productivity ranging from 25 to 30 percent.1 The benefits extend to livestock production as well, with cattle experiencing significant gains in weight.1 Winter cattle daily weight gain has improved from 0.7 to 0.8 kilograms to 1.4 to 2 kilograms.1 The initiative also helps address supply shortages of imported fertilizers.1
The Brisbane facility supplies the nation's farming community with 20 tonnes of ground glass, powder, and granules per week.1 The recycled glass bottles originate from Queensland's Containers for Change program, where each glass bottle carries a recycling value of 10 Australian cents.1 The silicon in the recycled glass releases phosphate, enabling plant roots to absorb previously locked nutrients in the soil.1
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