Catechism of Agricultural Chemistry and GeologyW. Blackwood, 1844 - 48 sider |
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Resultat 1-5 av 8
Side 6
... quicklime and calcined magnesia ; oxide of iron , in the form of rust of iron ; silica , in the form of a piece of ... quick - lime is a white earthy 6 CATECHISM OF AGRICULTURAL.
... quicklime and calcined magnesia ; oxide of iron , in the form of rust of iron ; silica , in the form of a piece of ... quick - lime is a white earthy 6 CATECHISM OF AGRICULTURAL.
Side 7
James Finlay Weir Johnston. A. Lime or quick - lime is a white earthy substance , which is obtained by burning common ... quicklime , will allow his pupils to taste it , and will pour water upon it , that it may fall to powder . They will ...
James Finlay Weir Johnston. A. Lime or quick - lime is a white earthy substance , which is obtained by burning common ... quicklime , will allow his pupils to taste it , and will pour water upon it , that it may fall to powder . They will ...
Side 39
... quicklime ? A. No , because the quicklime sets free the am- monia contained in the guano , and causes it to escape into the air . Here the teacher may mix a little slaked lime with a spoonful of guano in a wine - glass , and let his ...
... quicklime ? A. No , because the quicklime sets free the am- monia contained in the guano , and causes it to escape into the air . Here the teacher may mix a little slaked lime with a spoonful of guano in a wine - glass , and let his ...
Side 40
... quicklime . Q. In what places is salt most likely to be bene- ficial ? A. In places that are remote from the sea , or are sheltered by high hills from the winds that pass over the sea . Q. How do you account for this ? A. Because the ...
... quicklime . Q. In what places is salt most likely to be bene- ficial ? A. In places that are remote from the sea , or are sheltered by high hills from the winds that pass over the sea . Q. How do you account for this ? A. Because the ...
Side 42
... ( quicklime ) in com- bination with carbonic acid . The teacher may here revert to the properties of carbonic acid , and examine his pupils upon what they had previously learned upon this subject . Q. What name is given to limestone by ...
... ( quicklime ) in com- bination with carbonic acid . The teacher may here revert to the properties of carbonic acid , and examine his pupils upon what they had previously learned upon this subject . Q. What name is given to limestone by ...
Vanlige uttrykk og setninger
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
Populære avsnitt
Side 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...