The Nutritional Effects of Digested and Undigested Organic Wastes Combined with Wood Ash Amendments on Carrot Plants
The Nutritional Effects of Digested and Undigested Organic Wastes Combined with Wood Ash Amendments on Carrot Plants
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消化和未消化的有机废物与木灰改良剂相结合对胡萝卜植物的营养影响
DOI：
10.1007/s42729-019-00131-x
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发表时间：
2019
影响因子：
3.9
通讯作者：
Ibeto C
中科院分区：
文献类型：
--
作者：
Ibeto C
研究了猪粪和新鲜动物粪便（含灰和不含灰）对土壤肥力、胡萝卜产量和土壤对胡萝卜金属吸收的影响。灰烬可能含有高浓度的金属。由于纤维和含灰分的全消化物对植物生长和金属吸收的影响尚不清楚，因此评估了它们作为无机肥料替代品的适用性。土壤处理包括动物粪便（AM）、全消化物（WD）、纤维消化物（FD）、带灰分的动物粪便（AM+A）、带灰分的全消化物（WD+A）、带灰分的纤维消化物（FD+A）、无机肥料（正对照）和未添加肥料（负对照）。初步评估了对土壤性质的影响，并在6周的培养后评估了植物形态和元素组成，包括养分和潜在有毒元素（PTE）的吸收。WD对胡萝卜产量的影响优于FD和AM。木灰对土壤总体上有积极的影响，导致所有主要元素的浓度较高。灰渣处理对金属的吸收和传递系数较低，而中水处理对Cr（16.3）和Ni（12.2）的传递系数最高。从胡萝卜产量来看，木灰的添加主要提高了FD的性能，对AM有轻微的负面影响。尽管木灰中微量金属的浓度较高，但并未显著增加pte的吸收。消化液与木灰混合物对胡萝卜植物重金属的生物利用度有积极影响，因此可以作为根茎作物的可持续替代改良剂。
The impact of digestate and fresh animal manure (with and without ash) on soil fertility, carrot productivity, and metal uptake from soil to carrot was studied. Ash might contain high concentrations of metals. Since the impact of fiber and whole digestate with ash, on plant growth and metal uptake, remains unclear, their suitability as alternatives to inorganic fertilizer was assessed. Soil treatments included animal manure (AM), whole digestate (WD), fiber digestate (FD), animal manure with ash (AM+A), whole digestate with ash (WD+A), fiber digestate with ash (FD+A), inorganic fertilizer (positive control), and unamended (negative control). Impacts on soil properties were assessed initially and after a 6-week incubation, with plant morphometry and elemental composition, including nutrient and potential toxic element (PTE) uptake, determined. Performance of WD on carrot productivity was better than FD and AM. There was an overall positive effect of wood ash on the soil resulting in higher concentrations of all major elements. However, ash treatments had lower uptake and transfer factors of the metals while IF treatment had the highest transfer factors for Cr (16.3) and Ni (12.2). Also, based on carrot productivity, addition of wood ash mainly improved the performance of FD, having a slightly negative effect on AM. Despite the higher concentrations of trace metals in wood ash, it did not significantly increase the uptake of PTEs. The digestates and wood ash mixture had a positive effect on bioavailability of heavy metals in carrot plant and therefore can be a sustainable alternative amendment for root crops.
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影响因子：
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