A Manual of Agricultural Chemistry
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In our eReader you can find the full English version of the book. Read A Manual of Agricultural Chemistry Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book A Manual of Agricultural Chemistry
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It seems to be absolutely indispensable for the production of starch, sugar, etc., but what part it plays in their pro- duction is not known.
Calcium seems to aid in the conversion of starch into sugar. It probably exists in combination with organic acids ; indeed crystals of calcium oxalate or carbonate are often found in the cells. One of its functions may be to combine with, and render harmless, the vegetable acids formed in the plant. It is found chiefly in the leaves.
Magnesium is fairly u...niformly distributed ; little was known of its functions ; but the recent discovery by "Willstatter ^ and his collabora- tors that it is an essential constituent of chlorophyll, shows how im- portant it is to the vegetable organism.
Iron is usually present only in small proportion, but it is quite » Vide Chlorophyll, p. 216.
THE CHEMICAL CONSTITUENTS OP PLANTS 207 indispensable. Plants deprived of iron are unable to produce chloro- phyu.
Sodium, though always present in the ash, does not appear to be essential to the vital processes.
What to read after A Manual of Agricultural Chemistry?
You can find similar books in the "Read Also" column, or choose other free books by Herbert Ingle to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
It seems to be absolutely indispensable for the production of starch, sugar, etc., but what part it plays in their pro- duction is not known.
Calcium seems to aid in the conversion of starch into sugar. It probably exists in combination with organic acids ; indeed crystals of calcium oxalate or carbonate are often found in the cells. One of its functions may be to combine with, and render harmless, the vegetable acids formed in the plant. It is found chiefly in the leaves.
Magnesium is fairly u...niformly distributed ; little was known of its functions ; but the recent discovery by "Willstatter ^ and his collabora- tors that it is an essential constituent of chlorophyll, shows how im- portant it is to the vegetable organism.
Iron is usually present only in small proportion, but it is quite » Vide Chlorophyll, p. 216.
THE CHEMICAL CONSTITUENTS OP PLANTS 207 indispensable. Plants deprived of iron are unable to produce chloro- phyu.
Sodium, though always present in the ash, does not appear to be essential to the vital processes.
What to read after A Manual of Agricultural Chemistry?
You can find similar books in the "Read Also" column, or choose other free books by Herbert Ingle to read onlineMoreLess
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