堆肥绿泥石和岩棉对秋葵、番茄和辣椒生长的影响

IF 2 4区 农林科学 Q3 ECOLOGY Compost Science & Utilization Pub Date : 2018-10-02 DOI:10.1080/1065657X.2018.1463878
N. Reddy, D. Crohn
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引用次数: 2

摘要

摘要岩棉是一种在水培工业中流行的惰性生长介质。最终,岩棉用植物材料填充,必须更换并处理残留物。这种材料的堆肥将节省垃圾填埋场的空间。尽管岩棉本身是稳定的,但收获后残留的根和其他植物材料会分解。我们研究了将绿垃圾原料与废岩棉以10%体积混合堆肥对植物生长的影响。用两种类型的土壤进行了温室试验:沙壤土和粘土,每种土壤都有和没有岩棉,并以0、25、50和100 t ha−1的速率施用到花盆中,然后用秋葵、番茄或辣椒播种。结果表明,所有三种作物的植物生长都不受堆肥中存在(10%体积)废岩棉的影响。在所有情况下,堆肥施用量的增加都显著促进了植物的生长。虽然番茄的生长不受土壤类型的影响,但在沙质土壤中,秋葵和辣椒植株的茎重明显低于粘壤土。
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Effect of Composted Greenwaste and Rockwool on Plant Growth of Okra, Tomato, and Chili Peppers
Abstract Rockwool is an inert growing media popular in the hydroponics industry. Eventually the rockwool fills with plant material and must be replaced and the residuals are disposed. Composting of this material will conserve landfill space. Although the rockwool itself is stable, roots and other plant materials remaining after harvest can decompose. We studied the effect of composting greenwaste feedstock mixed with spent rockwool in the amount of 10% volume on plant growth. A greenhouse experiment was conducted with two types of soils: sandy loam and clay, each with and without rockwool, and applied at rates 0, 25, 50, and 100 t ha−1 to pots which were then seeded with okra, tomato, or chili pepper. Results indicate that plant growth of all three crops was unaffected by the presence of (10% volume) spent rockwool in the compost. In all cases, increase in application rate of compost enhanced plant growth significantly. While the growth of tomato was unaffected by soil type, shoot weights of okra and chili pepper plants were significantly lower in sandy soil compared to clay loam soil.
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来源期刊
Compost Science & Utilization
Compost Science & Utilization 农林科学-生态学
CiteScore
4.10
自引率
0.00%
发文量
0
审稿时长
>36 weeks
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
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