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Plant nutrition is the study of the chemical elements and compounds necessary for plant growth and reproduction, plant metabolism and their external supply. In its absence the plant is unable to complete a normal life cycle, or that the element is part of some essential plant constituent or metabolite .
The book includes experiments on plant stimuli using a polygraph, a method which was pioneered by Cleve Backster. [6] [7] Parts of the book attempt to disparage science, particularly plant biology, for example by claiming science is not concerned with "what makes plants live", in order to promote its own viewpoint that plants have emotions. The ...
The term life-form was first coined by Warming ("livsform") in his 1895 book Plantesamfund, [8] but was translated to "growthform" in the 1909 English version Oecology of Plants. Warming developed his life-form scheme further in his "On the life forms in the vegetable kingdom". [10]
Nutrients in the soil are taken up by the plant through its roots, and in particular its root hairs.To be taken up by a plant, a nutrient element must be located near the root surface; however, the supply of nutrients in contact with the root is rapidly depleted within a distance of ca. 2 mm. [14] There are three basic mechanisms whereby nutrient ions dissolved in the soil solution are brought ...
The first translation into English, with an introduction and parallel Greek and English texts, was made by Sir Arthur Hort (1864–1935). It was published simultaneously by William Heinemann in London and G. P. Putnam's Sons in New York, as a two-volume book Theophrastus Enquiry into Plants and minor works on odours and weather signs in 1916. [7]
An active search is underway for a 66-year-old Michigan woman who disappeared from a popular tourist hot spot during a trip to the Grand Canyon more than a week ago, officials said.
In the second edition of the book, Seeds of Change: Six Plants that Transformed Mankind, he adds the coca plant to the list. In 2004, he published a follow-up book Seeds of Wealth: Four Plants That Made Men Rich covering timber, wine, rubber, and tobacco.
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