Phillip S Coles, Galina Nogin, M. Fidanza, G. Roth
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引用次数: 5
摘要
商业蘑菇生产者不断寻找新的基质原料来源和途径处理蘑菇堆肥(以前称为“废蘑菇基质”)作物完成后。蘑菇工业中使用的一种相对较新的材料是玉米秸秆,但供应有些有限。由于土壤保护的减少,玉米种植者往往不愿意将秸秆从田地中移走,因为养分损失和可能的土壤侵蚀,然而,蘑菇堆肥可能是秸秆的潜在替代品。本田间研究评价了秸秆去除与土壤表面施用新鲜蘑菇堆肥对提高玉米产量和土壤质量的潜力。以0,70和100%的量去除秸秆,并以每英亩0,5,10,20和40吨的速度用新鲜蘑菇堆肥代替,以找到两者的最佳比率,并为蘑菇产业提供用蘑菇堆肥代替秸秆的基本原理,以便为玉米农民带来额外收入,并增加基质成分的可用性和蘑菇堆肥处理替代品。结果表明:玉米秸秆去除对玉米产量没有影响,但随着用量≥20 t /亩的增加,玉米产量有增加的趋势。在实地研究开始时,将0-2英寸和2-8英寸根区深度的土壤参数与大约一年后的土壤参数进行比较,结果大多不确定。值得注意的是,每英亩添加≥5吨新鲜蘑菇堆肥导致0-2英寸深度土壤pH值增加。
Evaluation of Fresh Mushroom Compost in a Field Corn Production System
Abstract Commercial mushroom producers are continually looking for new substrate raw material sources and pathways to dispose of mushroom compost (formerly called “spent mushroom substrate”) after crop completion. A relatively new material used in the mushroom industry is corn stover, but supplies are somewhat limited. Corn farmers are often reluctant to remove stover from fields because of nutrient loss and possible soil erosion due to reduced soil protection, however, mushroom compost may be a potential substitute for stover. This field study evaluated the potential to improve corn crop yield and soil quality through stover removal coupled with the soil surface application of fresh mushroom compost. Stover was removed in amounts of 0, 70, and 100% and replaced with fresh mushroom compost at rates of 0, 5, 10, 20, and 40 tons per acre to find an optimal rate for both, and to provide a rationale to replace stover with mushroom compost in order to generate additional income for corn farmers, and increase substrate component availability and mushroom compost disposal alternatives, to the mushroom industry. The results showed that corn stover removal did not influence corn yield, but an increase in corn yield trend was observed with the application of an increasing amounts ≥ 20 tons fresh mushroom compost per acre. Analysis of soil parameters, at 0-2 inch and 2-8 inch rootzone depths, at the start of the field study compared to approximately one year later were mostly inconclusive. Of note, the addition of ≥ 5 tons fresh mushroom compost per acre resulted in an increase in soil pH at 0-2 inch depth.
期刊介绍:
4 issues per year
Compost Science & Utilization is currently abstracted/indexed in: CABI Agriculture & Environment Abstracts, CSA Biotechnology and Environmental Engineering Abstracts, EBSCOhost Abstracts, Elsevier Compendex and GEOBASE Abstracts, PubMed, ProQuest Science Abstracts, and Thomson Reuters Biological Abstracts and Science Citation Index