Guerini Gianfranco, Maffeis Piero, Allievi Luigi, Gigliotti Carmen
Istituto d'Istruzione Superiore V Dandolo, Corzano, Italy.
J Environ Sci Health B. 2006;41(7):1203-19. doi: 10.1080/03601230600857031.
Agricultural soils of two Italian maize farms were treated for five years with an industrially produced high-quality compost. Cattle manure and the usual mineral fertilizer were used for comparison purposes. The effects of the organic and mineral fertilizer treatments were studied by analyzing the compost and manure, cultured soils, and harvested material. The grain yield was also determined. Organic fertilization improved soil pH, CEC, content of organic matter and NPK. Soil respiration and N mineralization were found to be higher than in the purely mineral-treated soil. Plant K take-up was improved, whereas grain yield was not affected. It was confirmed that organic fertilization, particularly compost use, maintained and increased soil fertility. The study demonstrated the feasibility of using in loco analytical facilities to follow the entire recycling process-from waste to compost production-and the use of the final product in the field.
两个意大利玉米农场的农业土壤用工业生产的高质量堆肥处理了五年。使用牛粪和常规矿物肥料作为对照。通过分析堆肥、粪便、培养土壤和收获的材料，研究了有机肥料和矿物肥料处理的效果。还测定了谷物产量。有机施肥改善了土壤pH值、阳离子交换量、有机质含量和氮磷钾含量。发现土壤呼吸和氮矿化高于纯矿物处理的土壤。植物对钾的吸收得到改善，而谷物产量不受影响。证实了有机施肥，特别是堆肥的使用，维持并提高了土壤肥力。该研究证明了使用现场分析设施跟踪从废物到堆肥生产的整个回收过程以及最终产品在田间使用的可行性。
