The Potato: A Practical Treatise on the Potato, Its Characteristics, Planting, Cultivation, Harvesting, Storing, Marketing, Insects, and Diseases and Their Remedies, Etc., EtcOrange Judd Company, 1913 - 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 6620 3.30 per unit ( see ...
... 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 6620 3.30 per unit ( see ...
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 - 1911 |
Términos y frases comunes
amount applied arsenic Arsenite average barrel better blight Bordeaux mixture bushels per acre Carman cellar cooking quality copper sulphate Cornell Bul cost covered crop cultivation deaux depth digger disease dry matter Early Ohio early potatoes Early Rose early varieties Experiment Station eyes farmer Farms Report favor fertilizers FLEA-BEETLE foliage gallons Geneva Bul germination grower growing grown growth half potato harrow haulm hence inches deep increase infestans influence insects kainit land late varieties leaf leaves lime loam loss manure Mark Catesby mature moisture muriate of potash nitrate of soda nitrogen obtained ounces Paris green percentage phosphoric acid Phytophthora infestans plant-food planter plats plow pota potatoes planted pounds produce profitable roots rows scab seed potatoes seed tubers Sir Walter Raleigh skin soil soluble spores spraying sprouts starch stem stomata storage surface temperature tillage tion tubers vary vigor weight