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
... soil , such as cotton seed meal and lin- seed meal , or a material probably more slowly decomposed , such as bone - dust ? And then , in general , how does each of these combina- tions of commercial fertilizer materials compare with the ...
... soil , such as cotton seed meal and lin- seed meal , or a material probably more slowly decomposed , such as bone - dust ? And then , in general , how does each of these combina- tions of commercial fertilizer materials compare with the ...
Página 26
... SOIL ; by Dr. William Frear , Chemist of the Department and of the State Experiment Station . The discussions at our farmers ' institutes and other agricultural meetings has fully proven that there is not only a wide difference of ...
... SOIL ; by Dr. William Frear , Chemist of the Department and of the State Experiment Station . The discussions at our farmers ' institutes and other agricultural meetings has fully proven that there is not only a wide difference of ...
Página 51
... soils without the use of nitrogenous manure . " 2. Through the storage of nitrogen by the bacteria , the soil itself becomes richer in nitrogen in an available state , to the advantage of other crops grown in rotation . " 3. The ...
... soils without the use of nitrogenous manure . " 2. Through the storage of nitrogen by the bacteria , the soil itself becomes richer in nitrogen in an available state , to the advantage of other crops grown in rotation . " 3. The ...
Página 52
... 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 the crops that follow , and diminishing the expenses due to provid- ing the ...
... 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 the crops that follow , and diminishing the expenses due to provid- ing the ...
Página 53
... soil they shall be there in such numbers and activity that the roots of the young plants will become quickly infected , and thus their vigor enhanced by the nitrogen of the air unlocked for their use . Time and experience alone can tell ...
... soil they shall be there in such numbers and activity that the roots of the young plants will become quickly infected , and thus their vigor enhanced by the nitrogen of the air unlocked for their use . Time and experience alone can tell ...
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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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Página 286 - ... For direct self-preservation, or the maintenance of life and health, the all-important knowledge is— Science. For that indirect self-preservation which we call gaining a livelihood, the knowledge of greatest value is— Science. For the due discharge of parental functions, the proper guidance is to be found only in— Science. For that interpretation of national life, past and present, without which the citizen cannot rightly regulate his conduct, the indispensable key is— Science. Alike...
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