Agriculture of Pennsylvania, Volumen6State Board of Agriculture, 1883 "Containing reports of the State Board of Agriculture, the State Agricultural Society, the State Dairymen's Association, the State Fruit Growers' Association, and the State College, for ..." (varies). |
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Página 50
... apple tree borer , except a vigorous hunting after each larva as it shows its presence by the characteristic castings thrown out from its burrow . In very many cases nothing but the catching and destroying each insect as it appears will ...
... apple tree borer , except a vigorous hunting after each larva as it shows its presence by the characteristic castings thrown out from its burrow . In very many cases nothing but the catching and destroying each insect as it appears will ...
Página 52
... apple - tree borer , those two great enemies of the apple . The former , when in the larva state , can be trapped by the well - known method of putting bands of straw or paper about the trunks of the trees and killing all the worms ...
... apple - tree borer , those two great enemies of the apple . The former , when in the larva state , can be trapped by the well - known method of putting bands of straw or paper about the trunks of the trees and killing all the worms ...
Página 83
... apple tree . Large ones are attached so lightly they can be kicked off with the foot . Now the way they are formed , it may be profita- ble if I repeat . The bark is simply a layer from wood cells , and the ex- crescences start from a ...
... apple tree . Large ones are attached so lightly they can be kicked off with the foot . Now the way they are formed , it may be profita- ble if I repeat . The bark is simply a layer from wood cells , and the ex- crescences start from a ...
Página 84
... apple is no more than a metamorphosed branch , and the white dots in the skin are the analogue of the suber cells on the bark of the original branch . Here is a piece of sassafras with small white spots on it , [ indicat- ing , ] and ...
... apple is no more than a metamorphosed branch , and the white dots in the skin are the analogue of the suber cells on the bark of the original branch . Here is a piece of sassafras with small white spots on it , [ indicat- ing , ] and ...
Página 85
... apple tree ten years ; the oak twelve years , and so with every species of tree , each seems to have its own time , through the peculiar power of the suber- cells , and for no other reason . In the beech the vital power of the suber ...
... apple tree ten years ; the oak twelve years , and so with every species of tree , each seems to have its own time , through the peculiar power of the suber- cells , and for no other reason . In the beech the vital power of the suber ...
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acre ammonia amount animals annual apples average bark Berks county better Board bone Bone Phosphate breed Bronze medal bushels carp cattle cent cheese Chester Chester county clover committee condition corn meal cost County Agricultural Society cows crop cultivation culture dairy Diploma disease dollars early ensilage exhibition experience farm farmers feed fertilizers fish fodder four fruit grain grass ground growing growth Harrisburg herd hundred inches insects John kind Lancaster Lancaster county land lime limestone manure milk MUSSELMAN nitrogen oats Ohio orchard pasture peach pear Pennsylvania Philadelphia Phosphate phosphoric acid Pittsburgh plant plowing pond potash potatoes pounds President produce Prof profit quantity question season second best second premium seed sheep silk silo Silver medal soil spring sugar superphosphate timber tion trees varieties Washington county West Fairview wheat white clover Williamsport winter yield York