Evaluation of different breeding waste compost applications on lettuce cultivation: growth, quality, mineral elements, and heavy metals accumulation

文献类型： 外文期刊

第一作者： Meng, Lili

作者： Meng, Lili;Kamaruddin, Mohamad Anuar;Meng, Lili;Meng, Lili;Song, Jiangfeng;Yusoff, Mohd Suffian

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关键词： Breeding waste compost; growth; heavy metals; lettuce; mineral elements; quality

期刊名称：JOURNAL OF PLANT NUTRITION （ 影响因子：1.7； 五年影响因子：2.3 ）

ISSN： 0190-4167

年卷期： 2025 年 48 卷 2 期

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收录情况： SCI

摘要： In China, increasing breeding waste has caused environmental problems. This study explored the possibility of using breeding waste compost (BWC) instead of chemical fertilizer in vegetable cultivation. The experiment included no fertilizer (CK), 100% chemical fertilizer (CF), 10, 20, and 30% substitution of cow dung compost (CDC), goose dung compost (GDC), and duck dung compost (DDC) with chemical fertilizer (C01, C02, C03, G01, G02, G03, D01, D02, D03). The results showed that BWC, particularly GDC, promoted lettuce growth and development. Compared to CK, the leaf fresh and dry weight of G03 were the highest, increasing significantly by 6.60 and 7.29 times, and the root fresh and dry weight of G02 were the highest, increasing significantly by 12.72 and 6.00 times. Different BWC improved soluble sugar, soluble protein, and Vitamin C to varying degrees, and the nitrate contents of some BWC treatments were lower than that of CK and CF. Conversely, CF had the highest nitrate accumulation and limited effects on certain growth and quality parameters. The mineral elements in lettuce were also affected by the type and dosage of fertilizers. The total nitrogen of CF, total phosphorus of G03, total potassium of G02, Ca and Mg of D01, Fe of CF, and Zn of G02 were at the peak. The rapid increase of biomass in GDC treatments led to reductions in Ca and Fe. Applying fertilizers would affect heavy metals in lettuce to unequal degrees, but all were within the food safety scope. The principal component analysis revealed the comprehensive effect of GDC treatments was recommended.

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