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Foliar feeding : ウィキペディア英語版 | Foliar feeding
Foliar feeding is a technique of feeding plants by applying liquid fertilizer directly to their leaves.〔(Foliar Fertilization ) By George Kuepper, NCAT Agriculture Specialist, Published 2003, (ATTRA ) Publication #CT135〕 Plants are able to absorb essential elements through their leaves. The absorption takes place through their stomata and also through their epidermis. Transport is usually faster through the stomata, but total absorption may be as great through the epidermis. Plants are also able to absorb nutrients through their bark. Foliar feeding was earlier thought to damage tomatoes, but has become standard practice. == Ocean-based sources ==
A popular version of the feeding is to use sea-based plant mixes, especially kelp, which contains many of the fifty "trace nutrients"; the more such nutrients are needed, the harder it is to balance them within the soil. Kelp also contains some hormones considered good for the development of the plants' leaves, flowers and fruit, of interest to organic gardeners who reject artificial hormone applications.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Foliar feeding」の詳細全文を読む
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