Agriculture of PennsylvaniaState Board of Agriculture, 1879 |
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Página 34
... tree takes in its food through a thousand mouths - its leaves and its rootlets . By its leaves it consumes carbonic acid from the air , and by its roots it consumes water from the earth . Its process of digestion consists in separating ...
... tree takes in its food through a thousand mouths - its leaves and its rootlets . By its leaves it consumes carbonic acid from the air , and by its roots it consumes water from the earth . Its process of digestion consists in separating ...
Página 35
... tree lengthens itself , expands itself , rises higher and broader into the air , and burrows deeper and wider into the soil . But in doing so it not only breaks up the sub - soil but fills it with solid carbon . The herbs , the grasses ...
... tree lengthens itself , expands itself , rises higher and broader into the air , and burrows deeper and wider into the soil . But in doing so it not only breaks up the sub - soil but fills it with solid carbon . The herbs , the grasses ...
Página 44
... trees ; for the plant may then be said , poetically , to do what the cow does when she first chews the cud and then swallows and digests it . The ashes from burned wheat straw consists nearly one half ( forty - seven per cent . ) of ...
... trees ; for the plant may then be said , poetically , to do what the cow does when she first chews the cud and then swallows and digests it . The ashes from burned wheat straw consists nearly one half ( forty - seven per cent . ) of ...
Página 45
... tree he lives on or under . The air deposits part of its nitrogen , in the form of saltpeter , in every cave and quiet nook , and under eaves , and boards , and fallen trees , where the salt is protected from the rain . And , indeed ...
... tree he lives on or under . The air deposits part of its nitrogen , in the form of saltpeter , in every cave and quiet nook , and under eaves , and boards , and fallen trees , where the salt is protected from the rain . And , indeed ...
Página 46
... trees live on next to nothing . All the plants , indeed , offer an amazing contrast to the voracity of the animals . ( especially the smaller ones ) which eat them up , either alive or dead . The largest tree weighs but a few tons after ...
... trees live on next to nothing . All the plants , indeed , offer an amazing contrast to the voracity of the animals . ( especially the smaller ones ) which eat them up , either alive or dead . The largest tree weighs but a few tons after ...
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acid acre Agricultural Society animals annual apples average beautiful Board of Agriculture breed Bucks county bull bushels butter calcite calf calves cattle cents cheese Chester Chester county Chester White color committee corn cows cream crop cultivation curd cutcheon dairy dairymen diploma display dollars ENGLE Erie escutcheon exhibition factory fair farm farmers favorable feed fertilizers five four fruit garden give grain ground Guenon Harrisburg Hartranft heifer herd Holstein horse horticultural hundred improvement inches industrial insect interest Jersey John keep labor Lancaster land larvæ manufacture manure medal meeting milk months oleomargarine orchard peaches Pennsylvania Philadelphia plants plow pounds practical President production profit Quality Quantity quarts rennet season second premium Secretary seed sheep sheep husbandry Short-Horn soil thousand tion trees udder varieties vulva weeks wheat wheel whey Williamsport yield York