蔬菜鲜残堆肥及其在生菜栽培中的应用

IF 0.7 4区 农林科学 Q4 HORTICULTURE
L. R. Porto, E. Mariano, J. Cardoso
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引用次数: 0

摘要

尽管新鲜的植物性食物可以用来制作有机堆肥来种植植物,保留养分,但相当一部分新鲜的植物性食物已被作为废物丢弃,而这些营养物质将在没有任何控制的情况下被丢弃在环境中。这项研究的目的是利用餐馆丢弃的新鲜蔬菜和修剪过的草来生产有机堆肥,并对其用于生产生菜进行评估。制作堆肥并与商业基质Tropstrato HT hortalias®混合,占混合物体积的0、5、10、15、20或25%,在第一次试验中用于种植Imperial和Imperial Roxa品种,在第二次试验中用于种植Camila和红星生菜品种。试验在保护环境下进行,采用6 × 2因子设计,完全随机设计,3个重复。对基质和堆肥进行了化学分析,并测量了植株的大小和质量。添加堆肥导致植物性状的所有测量值均增加,其最大估计值为植物生长基质中不添加堆肥估计值的1.7 ~ 9.0倍。在堆肥浓度为混合物体积的20.1%至26.7%时,观察到的最大大小和质量估计值。生产有机堆肥及其与商业基质的混合物被证明是生菜生产的另一种选择,为有机残留物提供了更好的目的地,并促进减少工业投入的使用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Composting of fresh vegetable residues and its application in lettuce cultivation
ABSTRACT A considerable part of fresh plant-based food has been discarded as waste, although it could be used to make organic compost for growing plants, retaining nutrient that would be discarded without any control in the environment. The aim of this study was to produce an organic compost using fresh vegetable food discarded from restaurants and mowed grass and to evaluate it for production of lettuce. The compost was produced and mixed with the commercial substrate Tropstrato HT Hortaliças® to occupy 0, 5, 10, 15, 20 or 25% of the volume of the mixture, which was used to grow Imperial and Imperial Roxa cultivars in the first experiment, and Camila and Red Star lettuce cultivars in the second one. The experiments were conducted under protected environment, organized in a 6x2 factorial scheme, following completely randomized design with three replicates. Chemical analyses of the substrate and compost and measurements of plant size and mass were carried out. The addition of compost caused an increase in all measurements of the plant traits, with the maximum estimated increase ranging from 1.7 to 9.0 times that estimated for the absence of compost in the plant growth substrate. Maximum estimated values for size and mass were observed with compost concentrations ranging from 20.1 to 26.7% of the mixture volume. The production of organic compost and its mixture with a commercial substrate proved to be an alternative for lettuce production, giving a better destination to the organic residues and promoting a reduction in the use of industrial inputs.
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来源期刊
Horticultura Brasileira
Horticultura Brasileira 农林科学-园艺
CiteScore
1.40
自引率
28.60%
发文量
45
审稿时长
4-8 weeks
期刊介绍: The journal Horticultura Brasileira, a quarterly journal, is the Official Publication of the Sociedade de Olericultura do Brasil. Its abbreviated title is Hortic. bras., and it should be used in bibliographies, footnotes, references and bibliographic strips.
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