Author : Herbert Henry Cousins
Release : 2013-09
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Kind : eBook
Book Rating : 805/5 ( reviews)

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Book Synopsis The Chemistry of the Garden; a Primer for Amateurs and Young Gardeners by : Herbert Henry Cousins

Download or read book The Chemistry of the Garden; a Primer for Amateurs and Young Gardeners written by Herbert Henry Cousins. This book was released on 2013-09. Available in PDF, EPUB and Kindle. Book excerpt: This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1899 edition. Excerpt: ... Mixed Manures and Horticultural Manures.-- No gardener in possession of this little book should fail to comprehend the significance of the following facts: -- 1. The manurial requirements of plants vary greatly in themselves, and are further complicated by the state of fertility of the soil. One hard and fast mixture cannot be used satisfactorily for the varied needs of the garden. 2. The composition of proprietary manures is frequently unknown to the buyer, and the effects produced by their use cannot be referred to a definite and rational cause. 3. Some of the advertised garden manures are gross frauds, and at the best the buyer gets no protection from such a risk. 4. Careful analyses of twelve of the most widely advertised garden manures (made at the SouthEastern Agricultural College, Kent, and published by Mr. A. D. Hall, M.A., in the Journal of the Royal Horticultural Society, August, 1897) have shown that these manures, with a single honourable exception, are sold at prices varying from three to six times their practical value. 5. If the generality of garden workers begin to manure their plants rationally with manures of known composition and purchased separately, so large a mass of sound practical information will soon be forthcoming, that the much needed light will be thrown on many doubtful points of garden manuring. How to Estimate the Value of Manures.-- We have already referred to the "unit system " as a ready means of deciding the relative cheapness of nitrate and sulphate of ammonia. We will now apply the same method of calculation to the mixed manure. The following six constituents of a manure are recognised in analysis: -- Soluble nitrogen. Insoluble or organic nitrogen. Soluble phosphate. Insoluble phosphate....