Nutritional quality of spinach (Amaranthus hybridus L.) cultivated using black soldier fly (hermetia illucens) waste compost

IF 1.7 4区 农林科学 Q2 AGRICULTURE, MULTIDISCIPLINARY
Fungki Sri Rejeki, Endang Retno Wedowati, Dwi Haryanta
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Abstract

The spinach can be cultivated on urban farms using compost from black soldier fly (BSF) larvae and urban organic waste. The study examined (1) the existence of heavy metal pollutants in household and market waste, (2) the impact of BSF larvae waste compost on spinach growth and product quality, and (3) the ingestion of compost components in spinach plant tissue. The experiment used a complete randomised block design (RCBD) with five treatments, specifically: (1) soil media without compost or urea; (2) soil with BSF compost as household waste substrate without fertiliser; (3) soil with household waste substrate BSF compost fertilised with urea; (4) soil with BSF compost as fruit waste substrate without fertiliser; and (5) soil with BSF compost as fruit waste substrate with fertiliser. Spinach growth and product, nutrient content, and heavy metal absorption in spinach tissue were parameters. BSF larva waste compost with household or fruit waste as a substrate contains macro and micronutrients required by plants and heavy metals that may harm vegetable plant tissues. Applying BSF larvae waste compost increased the vitamin A, vitamin C, chlorophyll, and carotene content in spinach production. The spinach product showed no significant difference in fibre, nitrate, nitrite, and oxalate levels compared to the control (100% soil). While the plant did absorb heavy metals (Cu, Pb, Cd, Zn) from the compost, the concentrations were below the threshold set by WHO/FAO. The use of compost for organic vegetable cultivation ought to be appropriately evaluated due to the potential existence of heavy metals.
利用黑兵蝇(hermetia illucens)废弃物堆肥栽培菠菜的营养品质
菠菜可以在城市农场种植,使用黑兵蝇(BSF)幼虫和城市有机废物的堆肥。本研究考察了(1)生活垃圾和市场垃圾中重金属污染物的存在,(2)BSF幼虫垃圾堆肥对菠菜生长和产品质量的影响,(3)菠菜植物组织中堆肥成分的摄取量。试验采用完全随机区组设计(RCBD),共设5个处理:(1)不添加堆肥或尿素的土壤介质;(2)以BSF堆肥为生活垃圾基质的土壤,不施肥;(3)以生活垃圾为基材,配以尿素的BSF堆肥;(4)以BSF堆肥为果渣基质的土壤,不施肥;(5)以BSF堆肥为果渣基质的土壤加肥料。以菠菜的生长和产品、营养成分、菠菜组织中重金属的吸收为参数。以生活垃圾或水果垃圾为基质的BSF幼虫废物堆肥含有植物所需的宏量和微量营养素以及可能伤害蔬菜植物组织的重金属。施用BSF幼虫废堆肥可提高菠菜生产中维生素A、维生素C、叶绿素和胡萝卜素的含量。与对照(100%土壤)相比,菠菜产品在纤维、硝酸盐、亚硝酸盐和草酸盐水平上没有显著差异。虽然植物确实从堆肥中吸收重金属(Cu、Pb、Cd、Zn),但浓度低于世卫组织/粮农组织设定的阈值。由于有机蔬菜堆肥中可能存在重金属,因此应适当评估堆肥的使用。
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来源期刊
Cogent Food & Agriculture
Cogent Food & Agriculture AGRICULTURE, MULTIDISCIPLINARY-
CiteScore
3.30
自引率
5.00%
发文量
79
审稿时长
11 weeks
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