Annual Report of the Pennsylvania Department of Agriculture, Tema 3,Parte1The Department, 1898 "Report of Pennsylvania Forestry Commission", published in 1896: 1895, pt. 2. |
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Página 24
... nitrogen , fertilizers containing its nitrogen in an inorganic combination or one in which a portion of it is supplied in the more soluble and more quickly available forms , or nitrates or ammonium salts ? 4. Among the sources of ...
... nitrogen , fertilizers containing its nitrogen in an inorganic combination or one in which a portion of it is supplied in the more soluble and more quickly available forms , or nitrates or ammonium salts ? 4. Among the sources of ...
Página 41
... nitrogen , or its equivalent in ammonia , in an available form , of potash soluble in water , of soluble and reverted phosphoric acid , and of insoluble phosphoric acid : Provided , That any commercial fertilizer sold , offered or ex ...
... nitrogen , or its equivalent in ammonia , in an available form , of potash soluble in water , of soluble and reverted phosphoric acid , and of insoluble phosphoric acid : Provided , That any commercial fertilizer sold , offered or ex ...
Página 51
... nitrogen supplied through yard manure or commercial fertilizers . It is now claimed that this class of plants have this power of action upon the free nitrogen of the air through bacteria which , under cer- tain conditions and ...
... nitrogen supplied through yard manure or commercial fertilizers . It is now claimed that this class of plants have this power of action upon the free nitrogen of the air through bacteria which , under cer- tain conditions and ...
Página 52
... nitrogen of the air , so that , by their help , a good crop can be secured in a soil very low in nitrogen . In this way also the soil is enriched in available nitrogen through the storage of nitrogen by the bacteria , thus profit- ing ...
... nitrogen of the air , so that , by their help , a good crop can be secured in a soil very low in nitrogen . In this way also the soil is enriched in available nitrogen through the storage of nitrogen by the bacteria , thus profit- ing ...
Página 53
... nitrogen of the air unlocked for their use . Time and experience alone can tell how practicable is this method which theo- retically commends itself . " In this , as in every new thing pertaining to agricultural improve- ment , we find ...
... nitrogen of the air unlocked for their use . Time and experience alone can tell how practicable is this method which theo- retically commends itself . " In this , as in every new thing pertaining to agricultural improve- ment , we find ...
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Términos y frases comunes
adulterated Agricultural Society amount animals annual anthrax average bacteria Baltimore bark beets birds Board Bone Phosphate Borax Boric acid Brand butter fat cattle cause cent cheese color condition contain corn cost cows cream creamery crop cultivation dairy dealers disease Experiment Station fact farm farmers feed Fertilizer forest fruit fungus germs ginseng give glanders grade ground growers Guano Herd milk inches infection institute labor large number less manufacture manure meal Milk depot Morning's milk mushroom mycelium nitrogen oleomargarine organs Pennsylvania Philadelphia phosphoric acid plants poison Potash potatoes pounds produce Prof profit question roads roots Salicylic acid samples season seed sell Skunks Sodium benzoate soil sold soluble spores Starch all converted sugar tion tobacco trees tubercular lesions tuberculin tuberculosis tuberculous Wagon wheat York young
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