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首页> 外文期刊>Communications in Soil Science and Plant Analysis >Humic Acids Derived from Leonardite-Affected Growth and Nutrient Uptake of Corn Seedlings
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Humic Acids Derived from Leonardite-Affected Growth and Nutrient Uptake of Corn Seedlings

机译：芒硝对玉米幼苗生长和养分吸收的腐殖酸

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摘要

Using organic fertilizer or soil amendment such as humic substances is an important component for sustainable agriculture. The objective of this study was to determine the effects of different factions of humic acids (HAs) on corn seedling growth and nutrient uptake. The experiment was carried out with both an agar culture in root boxes and a hydroponic culture to which 400 mg/L of different factions of humus acids, mixed HAs, and raw Leonardite were added. The experiments were repeated twice with three replications for each treatment. The results showed that applications of HAs significantly improved the leaf and root growth of corn seedlings compared with the control (no HA addition). In the agar culture, seedlings treated with HAs with relatively low molecular weights had more leaves and twice long of roots compared to control and other treatments. In the hydroponic culture, the mixture of three factions was the best treatment for both shoot and root growth of seedlings.
机译：使用有机肥料或土壤改良剂（例如腐殖质）是可持续农业的重要组成部分。这项研究的目的是确定腐殖酸（HAs）的不同派别对玉米幼苗生长和养分吸收的影响。实验是在根箱中进行琼脂培养和在水培中添加400 mg / L腐殖酸，混合HA和原始芒硝的不同派别进行的。重复实验两次，每次处理重复三次。结果表明，与对照相比（不添加HA），施用HA显着改善了玉米幼苗的叶和根生长。在琼脂培养中，与对照和其他处理相比，用相对低分子量的HA处理的幼苗具有更多的叶子和两倍长的根。在水培培养中，三个派系的混合物对于幼苗的芽和根生长都是最佳的处理方法。

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