Rural School Agriculture: Exercises for Use with Any Text-book of Agriculture, Or Without a Text-bookOrange Judd Company, 1907 - 267 páginas |
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Página 16
... weight . Respiration Takes place in all active cells . Can proceed in darkness . Oxygen absorbed , carbonic acid set free . Carbohydrates consumed . ( Energy is brought into use . ) The plant loses dry weight . PLANTS SELECTING THEIR ...
... weight . Respiration Takes place in all active cells . Can proceed in darkness . Oxygen absorbed , carbonic acid set free . Carbohydrates consumed . ( Energy is brought into use . ) The plant loses dry weight . PLANTS SELECTING THEIR ...
Página 36
... wheat , oats , rye , and barley and tabulate sults as follows : your Corn .... Wheat ...... Oats ....... Rye ...... Barley Av . Weight per Bu . No. Days from Seeding EXERCISE 25 STAND OF CLOVER TIME : SPRING TERM Object.
... wheat , oats , rye , and barley and tabulate sults as follows : your Corn .... Wheat ...... Oats ....... Rye ...... Barley Av . Weight per Bu . No. Days from Seeding EXERCISE 25 STAND OF CLOVER TIME : SPRING TERM Object.
Página 55
... prevent evap- FIG . 12 - SPROUTING BEANS oration and watch closely . Do the root - tips point downward ? Do you think the tips of the roots drop downward by their own weight ? 2. Fasten three clothes - pins to the side of EXERCISE 35.
... prevent evap- FIG . 12 - SPROUTING BEANS oration and watch closely . Do the root - tips point downward ? Do you think the tips of the roots drop downward by their own weight ? 2. Fasten three clothes - pins to the side of EXERCISE 35.
Página 56
... weight ? 3. Does light , moisture , air , warmth , or food in- fluence the direction of growth ? Let us carry the experiment further . In a small box , not over 3 inches deep , having a bottom of wire netting and filled with damp ...
... weight ? 3. Does light , moisture , air , warmth , or food in- fluence the direction of growth ? Let us carry the experiment further . In a small box , not over 3 inches deep , having a bottom of wire netting and filled with damp ...
Página 93
... weight with the original weight . 3. When the end of the germ first makes its ap- pearance in the second lot , remove , dry thoroughly and weigh . Compare weight with original weight . 4. Later , as the seeds sprout in the third lot ...
... weight with the original weight . 3. When the end of the germ first makes its ap- pearance in the second lot , remove , dry thoroughly and weigh . Compare weight with original weight . 4. Later , as the seeds sprout in the third lot ...
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Rural School Agriculture: Exercises for Use With Any Text-Book of ... Charles Wesley Davis Sin vista previa disponible - 2019 |
Términos y frases comunes
acre Agriculture amount apples beetles black raspberry Bordeaux mixture bottle branch carbon dioxide cent churning clay Cloth color CONVENIENT Object cover crop cultivation Deduct detasseled difference DIRECTIONS ears EXERCISE FALL OR SPRING FALL TERM Object farm farmers feed fertilizer field flower pots formalin germination glass grafting wax grain ground growing growth harvest inches insects kainit kernels knife label larvæ leaves lime litmus paper manure Material needed method milk moisture muriate of potash nitrate nitrogen number of bolls oats observe Paper and pencil Paris green phosphoric acid pistils plant food plot points pollen potash potatoes pounds produce raspberry roots rows sand scion score card seeds Select shape silks soil solution SPRING TERM Object stalk stamens stems student tassels temperature tion tips tree tumbler variety WEATHER Object weight wheat wings yield
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