American FarmerJohn S. Skinner, 1869 |
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Página 327
... soil . The elementary composition of the air is con- stant in all latitudes , while specimens of soils constantly differ even in almost the same lo- cality . Certain soils contain larger quantities of the mineral food of plants than ...
... soil . The elementary composition of the air is con- stant in all latitudes , while specimens of soils constantly differ even in almost the same lo- cality . Certain soils contain larger quantities of the mineral food of plants than ...
Página 124
... soil , would be benefitted by nitrogenous manures ; but the reverse is the case . Wheat is benefitted by such manures ; but this is not the case with clover , which is most benefitted by mineral Much of the accumulation of nitrogen is ...
... soil , would be benefitted by nitrogenous manures ; but the reverse is the case . Wheat is benefitted by such manures ; but this is not the case with clover , which is most benefitted by mineral Much of the accumulation of nitrogen is ...
Página 136
... soil , the heat of the sun , instead of insinuating itself among the particles of earth , is dissipated ; it is con- sumed in evaporating the excess of water when it should be warming the earth . This gives us what we call a cold soil ...
... soil , the heat of the sun , instead of insinuating itself among the particles of earth , is dissipated ; it is con- sumed in evaporating the excess of water when it should be warming the earth . This gives us what we call a cold soil ...
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2d best acid acre agricultural American Farmer ammonia amount animals applied Baltimore beds better bones breed bushels carbonic acid cattle cent cider clover compost corn cost cows crop cultivation culture dairy disease early earth eggs experience farm feed feet fertilizers field flowers four fowls fruit garden give grain grape grass ground grow growth guano half hogs horse hundred improved inches insects Journal keep labor land leaves less lime manure Maryland matter ment milk month oats pasture phosphate phosphoric acid plants plaster plough potash potatoes pounds practical produce profit quantity red clover rich roots rows salt season seed sheep soil sown spring straw success superphosphate supply surface tillage tion tobacco trees turnips varieties vegetable weather wheat William Devries winter worms yield young