Bulletin of the U.S. Department of Agriculture, Ausgaben 701-725U.S. Department of Agriculture, 1913 |
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Seite 13
... powdered arsenate of lead , gallon of molasses , and about 14 quarts of water has also given good results in killing larvæ in the field . When the larvæ are found to occur in abundance in a field at plow- ing time and this field is to ...
... powdered arsenate of lead , gallon of molasses , and about 14 quarts of water has also given good results in killing larvæ in the field . When the larvæ are found to occur in abundance in a field at plow- ing time and this field is to ...
Seite 14
United States. Department of Agriculture. one box were sprayed with powdered arsenate of lead at the rate of 2 pounds to 50 gallons of water , with 2 pounds of yellow laundry soap added . The plants in the other box were left untreated ...
United States. Department of Agriculture. one box were sprayed with powdered arsenate of lead at the rate of 2 pounds to 50 gallons of water , with 2 pounds of yellow laundry soap added . The plants in the other box were left untreated ...
Seite 15
... powdered ar- senate of lead were used in making eight applications to an aver- age row of 54 plants , set 2 feet apart in the rows . In dusting the same number of plants of the spring crop of 1917 five times , ap- proximately 12 ounces ...
... powdered ar- senate of lead were used in making eight applications to an aver- age row of 54 plants , set 2 feet apart in the rows . In dusting the same number of plants of the spring crop of 1917 five times , ap- proximately 12 ounces ...
Seite 16
... powdered arsenate of lead , 1 pounds to 50 gallons water . 8 238.2 23.2 9.7 1,385 145 10.4 8 Dusted with 9 parts powdered sul- 9 phur and 1 part commercial pow- dered arsenate of lead , by weight . Dusted with commercial powdered ...
... powdered arsenate of lead , 1 pounds to 50 gallons water . 8 238.2 23.2 9.7 1,385 145 10.4 8 Dusted with 9 parts powdered sul- 9 phur and 1 part commercial pow- dered arsenate of lead , by weight . Dusted with commercial powdered ...
Seite 17
... powdered arsenate of lead , 3 pounds to 50 gallons 4-4- 50 Bordeaux mixture ... 7 82.3 11.1 13.4 724 4 Commercial powdered arsenite of zinc , 3 pounds to 50 gallons water . 5 Commercial Bordeaux and arse- nate of lead mixture , 1 pound ...
... powdered arsenate of lead , 3 pounds to 50 gallons 4-4- 50 Bordeaux mixture ... 7 82.3 11.1 13.4 724 4 Commercial powdered arsenite of zinc , 3 pounds to 50 gallons water . 5 Commercial Bordeaux and arse- nate of lead mixture , 1 pound ...
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Häufige Begriffe und Wortgruppen
Agriculture Bulletin 555 amount aphids arsenate of lead average bad eggs binder course bituminous concrete bituminous surface treatment block Bordeaux mixture bread brick broken stone Bureau camp candlers candling cars cent clay farms clothes moth coarse aggregate coefficient of wear cold-storage Columbia River cost crew crop Department of Agriculture drum ears elutriation flannel flour following requirements French coefficient globe artichoke grading gravel ground yarding hauled inch infested killed labor laboratory screens larvæ leaf stems legumes less than_ material means of laboratory meet the following mineral filler moths naphthalene operation Passing 1-inch screen percentage plants Polk Counties Portland cement Price railroad recandling rejects Retained on 1-inch road sample sand shell shuck covering silt loam farms specification sprayed storage sumac summer fallow Table tannin tensile strength tested by means thousand feet timber Total passing U. S. Department wearing course weevils weight wheat Willamette Valley yarding engine yolk
Beliebte Passagen
Seite 22 - The cement shall be stored in such a manner as to permit easy access for proper inspection and identification of each shipment, and in a suitable weather-tight building which will protect the cement from dampness.
Seite 21 - To find the pressure in pounds per square inch of a column of water, multiply the height of the column in feet by .434. Approximately, we say that every foot elevation is equal to % Ib. pressure per square inch ; this allows for ordinary friction. To find the diameter of a pump cylinder...
Seite 22 - Portland cement is the product obtained by finely pulverizing clinker produced by calcining to incipient fusion an intimate and properly proportioned mixture of argillaceous and calcareous materials, with no additions subsequent to calcination excepting water and calcined or uncalcined gypsum.
Seite 74 - ... shall be punished by a fine of not less than twenty-five dollars ($25.00), nor more than one hundred dollars $100.00) or by imprisonment in a county jail for not less than ten days nor more than thirty days, or by both such fine and imprisonment.
Seite 35 - ... and, in smoothing off, the trowel should be drawn over the mold in such a manner as to exert a moderate pressure on the excess material. The mold should be turned over and the operation repeated.
Seite 22 - The average tensile strength in pounds per square inch of not less than three standard mortar briquettes...
Seite 22 - A pat of neat cement shall remain firm and hard, and show no signs of distortion, cracking, checking, or disintegration in the steam test for soundness.
Seite 13 - Raise the safety valves cautiously and frequently, as they are liable to become fast In their seats and useless for the purpose intended. 10.
Seite 22 - The specific gravity of cement shall not be less than 3.10. Should the test of cement as received fall below this requirement, a second test may be made upon a sample ignited at a low red heat. The loss in weight of the ignited cement shall not exceed 4 per cent.
Seite 13 - ... of the number of bales, the classification, the price or bona fide price offered, and other terms of purchase or sale, of any cotton involved in any transaction participated in by him, or to produce all books, letters, papers, or documents in his possession or under his control relating to such matter.