منابع مشابه
Significant Roles of Trace Elements in the Nutrition of Plants.
During the past quarter of a century much has been written concerning the place of the so-called trace elements in the economy of plant life. Most of this literature deals with the effects produced upon plants when these elements are absent from the growth substrate and is purely descriptive in nature, portraying the symptoms of deficiency. There is also, in the phvsiological literature of the ...
متن کاملEssential trace elements for plants, animals and humans
A field trial, a pot experiment and a survey in organically farmed leys were undertaken to investigate whether the N-fixation in red clover pastures in Norway was limited by a low supply of Co and/or Mo. Fertilization with Mo did not cause any higher production nor Nfixation, whereas the N-yield both from established clover leys and red clover grown in pots increased slightly after application ...
متن کاملTrace Elements in Clinker –
The trace element content of clinkers (and possibly of cements) can be used for the qualitative identification (i.e. manufacturing factory). Several hundred clinker sorts have been analysed (by replicated quarterly samples, collected from all Hungarian cement factories as well as from factories of 8 foreign countries) to determine their Mg, Sr, Ba, Mn, Ti, Zr, Zn and V content. The first 6 elem...
متن کاملTrace Elements
Trace elements occur in the human and animal body in milligrams per kilograms amount or less as against major elements which occur in gram per kg.essential elements are elements required for lifewhose deficient intake results in impairment of vital functions and only intake of physiologic amounts of the element can alleviate or prevent such a disturbance in function. Certain T.Es exists in the ...
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ژورنال
عنوان ژورنال: Journal of Ecological Engineering
سال: 2019
ISSN: 2299-8993
DOI: 10.12911/22998993/113079