Soil ManagementOrange Judd Company, 1914 - 311 páginas |
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Página 71
... nitrification , thus keeping the soil from becoming sour and allowing the nitrates to be produced in much greater amounts , keeping up the nitrogen supply for the crop on the ground . But this is not all . The action of lime in solution ...
... nitrification , thus keeping the soil from becoming sour and allowing the nitrates to be produced in much greater amounts , keeping up the nitrogen supply for the crop on the ground . But this is not all . The action of lime in solution ...
Página 159
... nitrification , the lime of the carbonate is appropriated by the nitric acid formed , setting free the carbonic acid and leaving , in place of the lime car- bonate , lime nitrate , which is the chief com- pound from which agricultural ...
... nitrification , the lime of the carbonate is appropriated by the nitric acid formed , setting free the carbonic acid and leaving , in place of the lime car- bonate , lime nitrate , which is the chief com- pound from which agricultural ...
Página 160
... nitrification , but is never naturally so abundant in soils . Other bases , if free to unite with the nitric acid , may favor nitrification , but none of the natu- rally available bases is as serviceable as lime . We have thus stated ...
... nitrification , but is never naturally so abundant in soils . Other bases , if free to unite with the nitric acid , may favor nitrification , but none of the natu- rally available bases is as serviceable as lime . We have thus stated ...
Página 299
... nitrification to occur in the field , the prepared compost may be carried , wet or partially dried , and applied directly to the soil , doing what they call " manuring the land " in contrast with " feeding the plants . " It was this ...
... nitrification to occur in the field , the prepared compost may be carried , wet or partially dried , and applied directly to the soil , doing what they call " manuring the land " in contrast with " feeding the plants . " It was this ...
Página 307
... nitrification ---- 105 , 288-293 299 ----- 168 , 297 285 160 156 --45 , 54 , 58 , 156 , 184 --291 , 292 --12-15 , 70 --- 168 , 292 148-160 , 170 amount in rock amount in river water 159 149 . - 149 , 196 amount in soil in swamp soils ...
... nitrification ---- 105 , 288-293 299 ----- 168 , 297 285 160 156 --45 , 54 , 58 , 156 , 184 --291 , 292 --12-15 , 70 --- 168 , 292 148-160 , 170 amount in rock amount in river water 159 149 . - 149 , 196 amount in soil in swamp soils ...
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Términos y frases comunes
abundance amount of water available plant food become black marsh capacity of fields carried cent coarse sandy soil compound grains corn crumb structure cube cubic foot cultivation deep depth develop diameter dissolved drainage dry soil earth mulch effective essential plant food evaporation face feeding fertilizers finest clay soils furrows granules green manures growing growth humus important increase internal surface irrigation large yields leaching less lime carbonate loam loss of water magnesia maintained nitrate nitric acid nitrification nitrogen organic matter phosphoric acid physical condition plant food elements plant food materials plant sap poor soils potash pounds of water pounds per acre practice productive capacity rain rainfall root hairs root zone roots of crops salts saturated soil grains soil management soil moisture soil particles soil surface soluble plant food solution square square miles stable manure surface four feet surface soil tion underdrainage water films water-soluble plant food wheat