Experiment Station Record, Volume 61U.S. Government Printing Office, 1930 - Agricultural experiment stations |
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Page 11
... moisture contents and degrees of packing are considered to prove that the oxygen - supplying capacity of the soil en- vironment is greater near the soil surface and in the drier , more loosely packed soils , which conditions are ...
... moisture contents and degrees of packing are considered to prove that the oxygen - supplying capacity of the soil en- vironment is greater near the soil surface and in the drier , more loosely packed soils , which conditions are ...
Page 13
... moisture determination , and expression of results . The adaptation of certain colorimetric methods to the estimation of nitrates , phosphates , and potassium in plant solutions , B. E. GILBERT ( Plant Physiol . , 1 ( 1926 ) , No. 2 ...
... moisture determination , and expression of results . The adaptation of certain colorimetric methods to the estimation of nitrates , phosphates , and potassium in plant solutions , B. E. GILBERT ( Plant Physiol . , 1 ( 1926 ) , No. 2 ...
Page 19
... moisture capacity and bad soil structure caused by overirrigation and wet cultivation , the de- velopment of seep ... moisture content of about 70 per cent , basis of the moisture - holding capacity , was indicated as optimal for ...
... moisture capacity and bad soil structure caused by overirrigation and wet cultivation , the de- velopment of seep ... moisture content of about 70 per cent , basis of the moisture - holding capacity , was indicated as optimal for ...
Page 28
... moisture content in the soil during the period from when the wheat plants first started to joint until spike exsertion commenced caused the most serious reduction in yield . About 20 per cent of moisture seemed to be the optimum for ...
... moisture content in the soil during the period from when the wheat plants first started to joint until spike exsertion commenced caused the most serious reduction in yield . About 20 per cent of moisture seemed to be the optimum for ...
Page 33
... moisture . The relationship between hygroscopic moisture and relative humidity was very similar in all the sor- ghum classes studied . The average hygroscopic moisture of the nine classes of sorghum grains observed ranged from 6.65 per ...
... moisture . The relationship between hygroscopic moisture and relative humidity was very similar in all the sor- ghum classes studied . The average hygroscopic moisture of the nine classes of sorghum grains observed ranged from 6.65 per ...
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Common terms and phrases
acid acre agricultural alfalfa alfalfa hay Amer animals aphid apple average beets Bordeaux mixture borer calcium calves cattle cent coccidiosis codling moth cooperation corn cottonseed meal County cows crop dairy disease economic effect eggs ergosterol Experiment Station factors farm feeding fertilizer figs fruit fungus gossypol grain growth increased indicated infection injury investigations Jour larvae lead arsenate legumes lime lime sulfur method milk mixture moisture moth nitrate nitrogen oats obtained organic pasture percentage period phosphorus Phytopathology pigs plants potassium potatoes poultry previously noted E. S. R. production protein ration reported root season seed seedlings showed silage sodium sodium nitrate soil solution soybeans species spray storage sugar sulfate sulfur superphosphate temperature tests tion tomatoes trans trees types U. S. Dept varieties vitamin weight wheat Winesap winter yield
Popular passages
Page 301 - Congress to promote the effective merchandising of agricultural commodities in interstate and foreign commerce, so that the industry of agriculture will be placed on a basis of economic equality with other industries...
Page 3 - Agriculture to furnish forms, as far as practicable, for the tabulation of results of investigation or experiments; to indicate, from time to time, such lines of inquiry as to him shall seem most important; and, in general, to furnish such advice and assistance as will best promote the purposes of this Act.
Page 404 - Place, for the purpose of instructing persons, who may choose to apply themselves, in the application of science to the common purposes of life. My principal object is, to qualify teachers for instructing the sons and daughters of farmers and mechanics, by lectures or otherwise, in the application of experimental chemistry, philosophy and natural history, to agriculture, domestic economy, the arts and manufactures.
Page 301 - ... by aiding in preventing and controlling surpluses in any agricultural commodity, through orderly production and distribution, so as to maintain advantageous domestic markets and prevent such surpluses from causing undue and excessive fluctuations or depressions in prices for the commodity.
Page 303 - The board shall, through the Secretary of Agriculture, indicate to the appropriate bureau or division of the Department of Agriculture any special problem on which a research is needed to aid in carrying out the provisions of this Act.
Page 303 - ... investigations and reports upon the following: Land utilization for agricultural purposes ; reduction of the acreage of unprofitable marginal lands in cultivation ; methods of expanding markets at home and abroad...
Page 78 - Chief of the Animal Husbandry Division of the Bureau of Animal Industry, and the War Department by Capt. Casper H. Conrad, jr., Third Cavalry, United States Army, detailed for duty in the Quartermaster General's Department in connection with the purchase of remounts. The statement setting forth the reasons why the War Department regards it as imperative for the Government to undertake...
Page 408 - Emphasis is now being strongly placed on courses in rural engineering, rural economics and sociology. Special attention is being paid to better organization of the curriculum, the adoption of a group system of electives, provisions to meet the needs of individual students according to their interests and capabilities, promotion of better teaching and recognition of the importance of expert supervision of the educational work as a whole by the appointment of directors of resident teaching or similar...
Page 303 - ... (2) to encourage the organization, improvement in methods, and development of effective co-operative associations. (3) to keep advised from any available sources and make reports as to crop prices, experiences, prospects, supply, and demand, at home and abroad.
Page 507 - ... the cations extracted from acid soils by means of n NH4C1 may include certain cations which are not held in the absorbing complex of the soil, and hence, not exchangeable cations, as this term is usually ployed.