Catechism of Agricultural Chemistry and Geology |
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... Agricultural Chemistry and Geology ; and any little apparatus he may require will be readily obtained , at the cost of a few shillings , from Richard Griffin and Co. of Glasgow . CATECHISM OF AGRICULTURAL CHEMISTRY AND GEOLOGY . Q. WHAT is.
... Agricultural Chemistry and Geology ; and any little apparatus he may require will be readily obtained , at the cost of a few shillings , from Richard Griffin and Co. of Glasgow . CATECHISM OF AGRICULTURAL CHEMISTRY AND GEOLOGY . Q. WHAT is.
Page 6
... obtained by washing wood ashes ( the ashes left by wood when it is burned ) with water , and after- wards boiling the liquid to dryness . The teacher will here allow his pupils to taste the potash , that they may become familiar with ...
... obtained by washing wood ashes ( the ashes left by wood when it is burned ) with water , and after- wards boiling the liquid to dryness . The teacher will here allow his pupils to taste the potash , that they may become familiar with ...
Page 7
... obtained by burning common limestone in the lime - kiln . It has a slightly burning taste , and becomes hot and slakes when water is poured upon it . The teacher will exhibit a piece of quicklime , will allow his pupils to taste it ...
... obtained by burning common limestone in the lime - kiln . It has a slightly burning taste , and becomes hot and slakes when water is poured upon it . The teacher will exhibit a piece of quicklime , will allow his pupils to taste it ...
Page 9
... obtain their food ? A. They obtain it partly from the air and partly from the soil . Q. How do they take in their food ? A. They take it in by their leaves from the CHEMISTRY AND GEOLOGY . 9.
... obtain their food ? A. They obtain it partly from the air and partly from the soil . Q. How do they take in their food ? A. They take it in by their leaves from the CHEMISTRY AND GEOLOGY . 9.
Page 10
... obtain their organic food ? A. They obtain their organic food partly from the air and partly from the soil . Q. Whence do they obtain their inorganic food ? A. They obtain their inorganic food wholly from the soil in which they grow . Q ...
... obtain their organic food ? A. They obtain their organic food partly from the air and partly from the soil . Q. Whence do they obtain their inorganic food ? A. They obtain their inorganic food wholly from the soil in which they grow . Q ...
Common terms and phrases
AGRICULTURAL CHEMISTRY ammonia animal require applied bone-earth bones burns called carbon and water carbonic acid gas CHEMISTRY AND GEOLOGY Chlorine clover common salt compost consist of carbon contain cow-dung crops cwts draining dung earth EDINBURGH employed fall to powder farm-yard manure farmer fattening fermentation fertile give gluten grass lands grow guano gypsum hydrogen inorganic kind of air large quantity leaves LECTURES ON AGRICULTURAL light lands lighted taper limestone liquid magnesia marl mixed nitrogen oats obtain oil of vitriol organic food organic matter oxide of iron oxygen gas phosphate of lime phosphoric acid plants require potash potatoes produced profit proportion pupils quicklime roots sea-weed shell sand Silica slaked smell soda soil consists sour starch straw subsoil substances sulphuric acid supply taste teacher may exhibit teacher may illustrate teacher will show turnip usually vegetable waste wheat white fumes wood woody fibre
Popular passages
Page 17 - Q. Whence is the organic part of the soil derived? A. It is derived from the roots and stems of decayed plants, and from the dung and remains of animals and insects of various kinds. Q. Does this organic part form a large proportion of the soil ? A. Of peaty soils it forms sometimes three-fourths of the whole weight; but of rich and fertile soils it does not usually form more than from a twentieth to a tenth of the whole weight. Q. Can a soil bear good crops which does not contain a considerable...