Spraying Crops; Why, When, and howO. Judd Company, 1903 - 136 páginas |
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Página 11
... experiment stations are able to give the names of reliable brands of Paris green . Color Tests for Paris Green - Upon this subject Mr A. V. Stubenrauch says in a bulletin of the Illinois Experiment Station : " Perhaps the simplest test ...
... experiment stations are able to give the names of reliable brands of Paris green . Color Tests for Paris Green - Upon this subject Mr A. V. Stubenrauch says in a bulletin of the Illinois Experiment Station : " Perhaps the simplest test ...
Página 20
... experiments , their efficiency is well attested , and they are in practical use over a large territory . Their ... Experiment Station , I experimented with potato blight by diluting this mixture a little more than half , using 6 ...
... experiments , their efficiency is well attested , and they are in practical use over a large territory . Their ... Experiment Station , I experimented with potato blight by diluting this mixture a little more than half , using 6 ...
Página 30
... Experiment Station recommends the following com- bination : Paris green 2 ounces , carbonate of copper 2 ounces , dissolve in 3 pints of ammonia , add 1⁄2 pound lime and I barrel of water . It is advised that this be substituted for the ...
... Experiment Station recommends the following com- bination : Paris green 2 ounces , carbonate of copper 2 ounces , dissolve in 3 pints of ammonia , add 1⁄2 pound lime and I barrel of water . It is advised that this be substituted for the ...
Página 37
... Experiment Station ) A plan for a desirable spraying outfit suggested by the experience of Delaware orchardists is shown . above . After much experience Mr T. S. Derby of Woodside , Delaware , says that the " essentials . for economy in ...
... Experiment Station ) A plan for a desirable spraying outfit suggested by the experience of Delaware orchardists is shown . above . After much experience Mr T. S. Derby of Woodside , Delaware , says that the " essentials . for economy in ...
Página 45
... Experiment Station an increase in cash . value of $ 1 a barrel on sprayed over unsprayed PROFITS IN SPRAYING 45.
... Experiment Station an increase in cash . value of $ 1 a barrel on sprayed over unsprayed PROFITS IN SPRAYING 45.
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Términos y frases comunes
50 gallons acre Agitating Device appear apple application arsenate of lead arsenical poison arsenites attacks barrel become full-grown beetles blight blossoms boiling Bordeaux mixture brown BROWN ROT buds cabbage caterpillars change to pupae cherry cocoons codling moth color copper sulphate crop currant destroyed by spraying destructive develop dilute dissolved DOWNY MILDEW emulsion Experiment Station feed foliage fruit fungi fungicides fungous disease FUNGUS ENEMIES gallons of water gallons water grapes hatch Illustrated inch long infested injury INSECT ENEMIES insecticide kerosene kerosene emulsion larvae later leaf LEAF-BLIGHT leaves lice lime London purple magnified MILDEW mycelium nozzle orchard ounces Paris green particles of poison pass the winter peach pear pest plants PLUM CURCULIO potatoes pounds powder prevent Professor pump pupa pupate Pyrethrum Remedies-Spray remedy Riley San José scale season second brood slake soap soon spores spots spraying machine STRAWBERRY suck sulphur surface tobacco treatment trees twigs vines weeks worms young
Pasajes populares
Página 22 - Towards the last, considerable water will be required, but if added carefully and slowly, a perfectly smooth paste will be obtained, provided, of course, the lime is of good quality. When the lime is slacked, add sufficient water to the paste to bring the whole up to 25 gallons.
Página 22 - ... pounds of lime, using care in order to obtain a smooth paste, free from grit and small lumps. To accomplish this it is best to place the lime in an ordinary water pail and add only a small quantity of water at first, say a quart or a quart and a half. When the lime begins to crack and crumble and the water to disappear, add another quart or more, exercising care that the lime at no time gets too dry.
Página 25 - ... mark, previously made on the barrel. It will be understood, of course, that this second adding of water is merely to replace the space previously occupied by the sack and the crystals of copper sulphate. Each gallon of the solution thus made will contain two pounds of copper sulphate, and, under all ordinary conditions of temperature, there will be no material recrystallization, so that the stock preparation may be kept indefinitely.