Comparison of rockwool and coir for greenhouse cucumber production: chemical element, plant growth, and fruit quality

文献类型： 外文期刊

第一作者： He, Lizhong

作者： He, Lizhong;Ding, Xiaotao;Jin, Haijun;Zhang, Hongmei;Cui, Jiawei;Li, Rongguang;Zhou, Qiang;Yu, Jizhu;Chu, Jianfeng;Li, Rongguang;Zhou, Qiang

作者机构：

关键词： Amino acids; Coir; Cucumber; Flavor substance; Mineral elements; Rock wool

期刊名称：HELIYON （ 影响因子：3.776； 五年影响因子：3.752 ）

ISSN：

年卷期： 2022 年 8 卷 10 期

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收录情况： SCI

摘要： Replacing rockwool with more sustainable materials, such as coir, is an effective measure to improve the sustainability of soilless cultivation in the greenhouse. To comprehensively assess the feasibility of coir before using it widely, coir was compared to rockwool as a cucumber cultivation substrate to evaluate its performance on mineral elements in the substrates, drainage, and in the plants. Plant growth, amino acids, and flavor substances of cucumber fruits were also compared between the two substrates. Compared to rockwool, coir significantly increased the LAI and yield of cucumber crops as well as contents of Ca, Mg, S, Cl and Zn in leaves and fruits. Contents of P, K, Ca, Mg, Cl, Zn, and B in the substrate were higher for coir while those of Fe, Cu, and Mn in the drainage lower. Moreover, coir also significantly increased contents of amino acids (His, Leu, Ile, Phe, Lys, Asp, Glu and Pro) and flavor substance (TC, PS, TP, CLL, CuB, and LA) in cucumber fruits. Our results demonstrated the potential of coir as a replacement of rockwool to improve sustainability of soilless cultivation in the greenhouse.

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