The Potato ...Judd, 1905 - 185 páginas |
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Página 31
... percentage of tubers and starch . Lawes and Gilbert ' show that nitrogen stimulates the production of starch , provided the mineral constituents are not deficient ; but in large quantities nitrogenous fertilizers stimulated luxuriant ...
... percentage of tubers and starch . Lawes and Gilbert ' show that nitrogen stimulates the production of starch , provided the mineral constituents are not deficient ; but in large quantities nitrogenous fertilizers stimulated luxuriant ...
Página 32
... percentage of stems and leaves , but have no marked influence on the roots of potatoes . 3. Have a marked influence on the shape and appear- ance of the leaf ; if deficient , the leaves are yellow- ish - brown in color , and become ...
... percentage of stems and leaves , but have no marked influence on the roots of potatoes . 3. Have a marked influence on the shape and appear- ance of the leaf ; if deficient , the leaves are yellow- ish - brown in color , and become ...
Página 33
... percentage of potash was relatively high when the supply of it was relatively liberal and vice versa , but the variations are small , and that where there was a deficiency of potash in the supply and in the ash there was generally an ...
... percentage of potash was relatively high when the supply of it was relatively liberal and vice versa , but the variations are small , and that where there was a deficiency of potash in the supply and in the ash there was generally an ...
Página 43
... percentage of nitrogen , soluble phosphate of lime , insoluble phosphate of lime , and potash present . They are often valued on the unit system . A unit is one per cent . of a ton , or 20 pounds ; the ton , 2,000 pounds . Unit Value ...
... percentage of nitrogen , soluble phosphate of lime , insoluble phosphate of lime , and potash present . They are often valued on the unit system . A unit is one per cent . of a ton , or 20 pounds ; the ton , 2,000 pounds . Unit Value ...
Página 44
... percentage , or number , of units of the various valuable ingredients ; this will give the cost per unit . For example , if sulphate of ammonia be $ 66.00 per ton and contains 20 per cent . of nitrogen , then 66 + 20 = 3.30 per unit ...
... percentage , or number , of units of the various valuable ingredients ; this will give the cost per unit . For example , if sulphate of ammonia be $ 66.00 per ton and contains 20 per cent . of nitrogen , then 66 + 20 = 3.30 per unit ...
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