The Potato ...Judd, 1905 - 185 páginas |
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Página 27
... usually considered to be a heavy water consumer . It leaves the soil in a rela- tively moist condition ; hence , the wisdom of the Maine four - year course , in which oats succeed potatoes . This course requires but one deep plowing in ...
... usually considered to be a heavy water consumer . It leaves the soil in a rela- tively moist condition ; hence , the wisdom of the Maine four - year course , in which oats succeed potatoes . This course requires but one deep plowing in ...
Página 39
... usually nitrogen , phos- phoric acid , or potash - in a more or less available form , and that the benefits received from their appli- cation is due to the addition of this plant - food to the soil . So deeply seated is this theory that ...
... usually nitrogen , phos- phoric acid , or potash - in a more or less available form , and that the benefits received from their appli- cation is due to the addition of this plant - food to the soil . So deeply seated is this theory that ...
Página 41
... usually be accom- plished by a judicious rotation of crops , manuring , and liming . " The old method has been to feed crops with com- mercial fertilizers , the new agriculture looks to nature for its sources of plant - food . These ...
... usually be accom- plished by a judicious rotation of crops , manuring , and liming . " The old method has been to feed crops with com- mercial fertilizers , the new agriculture looks to nature for its sources of plant - food . These ...
Página 43
... usually sulphuric acid . The Soluble phosphate of lime , as a rule , is more active than insoluble in promoting plant growth , but on acid soils insoluble phos- phate often gives better returns . soluble phosphate of lime and a ...
... usually sulphuric acid . The Soluble phosphate of lime , as a rule , is more active than insoluble in promoting plant growth , but on acid soils insoluble phos- phate often gives better returns . soluble phosphate of lime and a ...
Página 46
... usually charge from $ 5 to $ 10 per ton for doing it . For example , a commercial potato manure analyzing nitrogen , 3 per cent . , phosphoric acid , 6 per cent . , and potash , 10 per cent , costs in New Hampshire ' , in 1904 , $ 36.50 ...
... usually charge from $ 5 to $ 10 per ton for doing it . For example , a commercial potato manure analyzing nitrogen , 3 per cent . , phosphoric acid , 6 per cent . , and potash , 10 per cent , costs in New Hampshire ' , in 1904 , $ 36.50 ...
Otras ediciones - Ver todas
The Potato: A Practical Treatise on the Potato, Its Characteristics ... Samuel Fraser Vista completa - 1913 |
The Potato: A Practical Treatise on the Potato, Its Characteristics ... Samuel Fraser Vista completa - 1913 |
The Potato: A Practical Treatise on the Potato, Its Characteristics ... Samuel Fraser Vista completa - 1911 |
Términos y frases comunes
amount applied Arsenate of Lead Arsenite average barrel beetles better blight Bordeaux mixture bushels per acre Carman cellar cents per bushel copper sulphate Cornell Bul cost covered crop cultivation deaux mixture depth digger disease dry matter Early Ohio early potatoes early varieties Experiment Station eyes farmer fertilizers foliage gallons of water Geneva Bul germinate grower growing grown growth harrow haulm hence inches deep influence insects kainit land late varieties leaf leaves lime loam loss manure Mark Catesby mature moisture muriate of potash nitrate of soda nitrogen nozzles ounces Paris green phosphate phosphoric acid Phytophthora infestans pile plant-food planter plats plow pollen pota potassium ferrocyanide potatoes planted produce profitable roots rows scab seed potatoes seed tubers Sir Walter Raleigh soil soluble solution spores spraying sprouts starch stem stomata storage surface temperature tillage tion tubers vary vigorous weight