Catechism of Agricultural Chemistry and GeologyW. Blackwood, 1844 - 48 sider |
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Resultat 1-5 av 26
Side 5
... , namely , potash , soda , lime , magnesia , oxide of iron , silica , chlorine , sul- phuric acid , or oil of vitriol , and phosphoric acid . Here the teacher may exhibit to his pupils , potash CHEMISTRY AND GEOLOGY .
... , namely , potash , soda , lime , magnesia , oxide of iron , silica , chlorine , sul- phuric acid , or oil of vitriol , and phosphoric acid . Here the teacher may exhibit to his pupils , potash CHEMISTRY AND GEOLOGY .
Side 6
... lime and magnesia , in the forms of quicklime and calcined magnesia ; oxide of iron , in the form of rust of iron ; silica , in the form of a piece of flint , rock ... Lime or quick - lime is a white earthy 6 CATECHISM OF AGRICULTURAL.
... lime and magnesia , in the forms of quicklime and calcined magnesia ; oxide of iron , in the form of rust of iron ; silica , in the form of a piece of flint , rock ... Lime or 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 limestone in the lime - kiln . It has a slightly burning taste , and becomes hot and slakes when water is poured upon ...
James Finlay Weir Johnston. A. Lime or quick - lime is a white earthy substance , which is 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 ...
Side 9
... lime than the ash of wheat . II . OF THE ORGANIC FOOD OF PLANTS . Q. Do plants require food as animals do ? A. Yes , all plants require constant supplies of food in order that they may live and grow . Q. Where do plants obtain their ...
... lime than the ash of wheat . II . OF THE ORGANIC FOOD OF PLANTS . Q. Do plants require food as animals do ? A. Yes , all plants require constant supplies of food in order that they may live and grow . Q. Where do plants obtain their ...
Side 13
... lime , which ex- ists , along with starch , in almost all plants . It may be obtained from wheaten flour , by making it into a dough , and washing it with water . The teacher will here mix flour with water into a CHEMISTRY AND GEOLOGY . 13.
... lime , which ex- ists , along with starch , in almost all plants . It may be obtained from wheaten flour , by making it into a dough , and washing it with water . The teacher will here mix flour with water into a CHEMISTRY AND GEOLOGY . 13.
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...