First Principles of Soil FertilityKegan Paul, Trench, Trubner, 1910 - 265 páginas |
Dentro del libro
Resultados 1-5 de 19
Página 123
... Bedding on Value of Manure . - The fac- tors just discussed are those which affect the value of the excrement . The term barnyard manure as it is generally used includes the excreta and the litter or bedding used to absorb the urine ...
... Bedding on Value of Manure . - The fac- tors just discussed are those which affect the value of the excrement . The term barnyard manure as it is generally used includes the excreta and the litter or bedding used to absorb the urine ...
Página 124
... bedding that will absorb all of the urine excreted by the animal must contain dry matter equal to 25 per cent of the dry matter in the feeding stuffs used . Hence , if the assumption is made that just sufficient bedding is used to ...
... bedding that will absorb all of the urine excreted by the animal must contain dry matter equal to 25 per cent of the dry matter in the feeding stuffs used . Hence , if the assumption is made that just sufficient bedding is used to ...
Página 125
... bedding ) contains 75 per cent as much dry matter as was contained in the ration . According to the table on page ... bedding material must be used in an amount large enough to supply 300 pounds of dry matter . Now , as the manure is com ...
... bedding ) contains 75 per cent as much dry matter as was contained in the ration . According to the table on page ... bedding material must be used in an amount large enough to supply 300 pounds of dry matter . Now , as the manure is com ...
Página 126
... bedding is used . In actual practice the farmer uses all of the bedding materials he has at hand even though in ex- cess of the amount required to absorb the urine , and it is generally considered advisable to do so , for the bedding ...
... bedding is used . In actual practice the farmer uses all of the bedding materials he has at hand even though in ex- cess of the amount required to absorb the urine , and it is generally considered advisable to do so , for the bedding ...
Página 129
... bedding . The following table gives the dry matter and ferti- lizing constituents in each 1,000 pounds of the different materials . DRY MATTER AND FERTILIZING CONSTITUENTS IN 1,000 POUNDS Cornmeal Oats Bran Silage Clover Straw Dry ...
... bedding . The following table gives the dry matter and ferti- lizing constituents in each 1,000 pounds of the different materials . DRY MATTER AND FERTILIZING CONSTITUENTS IN 1,000 POUNDS Cornmeal Oats Bran Silage Clover Straw Dry ...
Otras ediciones - Ver todas
Términos y frases comunes
acid and potash acre agricultural ammonia amount of nitrogen amount of plant animals applied average bacteria barn barnyard manure bedding carbonic acid clay clover commercial fertilizers complete fertilizers composition compounds condition corn crop decay deep stall denitrification drainage dry matter elements of plant Experiment Station fact farm farmer feeding fertilizing constituents fertilizing materials fertilizing value field grain green manuring ground grown hot fermentation humus important inches increase ingredients kainite land leaching legumes leguminous lime liquid excrement loss of nitrogen lysimeters manure produced materials ments method mineral matter mixed moisture necessary nitrate of soda nitrification nitrifying bacteria nitro nitrogen nure obtained organic matter oxygen phoric acid phos phosphate phosphoric acid plant food plant growth plots plowed pounds practically present rains ration removed rock roots rotation shown soil soil contains soluble substances sufficient sulphate superphosphate supply surface tillage tion urine wheat yield