Bulletin of the Bureau of Agricultural Intelligence and of Plant-Diseases, Volumen21911 |
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Página 47
... observed in the other plants ; and how great this variation was , is well seen from the photographs appended to the ... observations and experiments made , chiefly on cultivated plants , during the winters 1907 , 1908 , 1909. The chief ...
... observed in the other plants ; and how great this variation was , is well seen from the photographs appended to the ... observations and experiments made , chiefly on cultivated plants , during the winters 1907 , 1908 , 1909. The chief ...
Página 49
... observations of A. Stutzer and W. Rothe , to the effect that bacteria and hyphomycetes form albumen more easily from ... observed being weaker than those obtained in the previous experiments . 2 ) The temperature of 25 ° C. , which was ...
... observations of A. Stutzer and W. Rothe , to the effect that bacteria and hyphomycetes form albumen more easily from ... observed being weaker than those obtained in the previous experiments . 2 ) The temperature of 25 ° C. , which was ...
Página 50
... observed in all soils after manuring ; while a decrease in both these values sets in with the progress of vegetation . Both the osmotic pressure and the conductibility furnish an index of the degree of solubility of the plant foods ...
... observed in all soils after manuring ; while a decrease in both these values sets in with the progress of vegetation . Both the osmotic pressure and the conductibility furnish an index of the degree of solubility of the plant foods ...
Página 51
... observed that the natives of Bombay in certain circumstances subject their soils to heat , finds that when soil is heated to 170 ° C. a temperature high enough to destroy all the bacteria as well as the larger organisms -the fertility ...
... observed that the natives of Bombay in certain circumstances subject their soils to heat , finds that when soil is heated to 170 ° C. a temperature high enough to destroy all the bacteria as well as the larger organisms -the fertility ...
Página 52
... observed that whilst the action of farm manure is some- times greatly reduced by the work of denitrifying bacteria , in certain cases nitrogen is fixed in the albuminoid form by the action of other bacteria ; Germany whence the ...
... observed that whilst the action of farm manure is some- times greatly reduced by the work of denitrifying bacteria , in certain cases nitrogen is fixed in the albuminoid form by the action of other bacteria ; Germany whence the ...
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Pasajes populares
Página vii - The institute, confining its operations within an international sphere, shall — (a) Collect, study, and publish as promptly as possible statistical, technical, or economic information concerning farming, both vegetable and animal products, the commerce in agricultural products, and the prices prevailing In the various markets; (b) Communicate to parties interested, also as promptly as possible, all the information just referred to...
Página 771 - ... (b) Communicate to parties interested, also as promptly as possible, all the information just referred to; (c) Indicate the wages paid for farm work ; (d) Make known the new diseases of vegetables which may appear in any part of the world, showing the territories infected, the progress of the...
Página 643 - ... customs officer, duly authenticated by the proper custodian of such book of record, together with the affidavit of the owner, agent, or importer that such animal is the identical animal described in said certificate of record and pedigree: And provided further, That...
Página 643 - ... admitted free unless pure bred of a recognized breed, and duly registered in...
Página vii - ... (Submit to the approval of the governments, if there is occasion for it, measures for the protection of the common interests of farmers and for the improvement of their condition) after having utilized all the necessary sources of information, such as the wishes expressed by international or other agricultural congresses or congresses of sciences applied to agriculture, agricultural societies, academies, learned bodies, etc.
Página 643 - Any animal Imported by a citizen of the United States specially for breeding purposes, shall be admitted free, whether Intended to be used by the Importer himself or for sale for such purposes, except black or silver foxes: Provided, That no such animal shall be admitted free...
Página 644 - Horses, mules, asses, cattle, sheep, and other domestic animals straying across the boundary line into any foreign country, or driven across such boundary line by the owner for temporary pasturage purposes only, together with their offspring...
Página 644 - Cattle, horses, sheep, or other domestic animals straying across the boundary line into any foreign country, or driven across such boundary line by the owner for temporary pasturage purposes only, together with their offspring, may be brought back to the United States within six months free of duty, under regulations to be prescribed by the Secretary of the Treasury...
Página 643 - An Act to provide revenue, equalize duties, and encourage the industries of the United States, and for other purposes.
Página 644 - States within six months, in which case they shall be free of duty, under regulations to be prescribed by the Secretary of the Treasury: And provided further, That the provisions of this Act shall apply to all such animals as have been imported and are in quarantine or otherwise in the custody of customs or other officers of the United States at the date of the taking effect of this Act.