The Potato ...Judd, 1905 - 185 páginas |
Dentro del libro
Resultados 6-10 de 22
Página 35
... profitable returns . My own observations are that an excessive application of available phosphoric acid has a marked influence upon the foliage , causing it to be small , dark green , wrinkled , and apparently stunted in develop- ment ...
... profitable returns . My own observations are that an excessive application of available phosphoric acid has a marked influence upon the foliage , causing it to be small , dark green , wrinkled , and apparently stunted in develop- ment ...
Página 36
... profitable results . Lawes and Gilbert ' showed that only a small portion of the nitrogen of farm manures is taken up by the crop ; thus , with an annual manuring of 15.5 tons per acre , containing 200 pounds of nitrogen , continued for ...
... profitable results . Lawes and Gilbert ' showed that only a small portion of the nitrogen of farm manures is taken up by the crop ; thus , with an annual manuring of 15.5 tons per acre , containing 200 pounds of nitrogen , continued for ...
Página 37
... profitable under most conditions in the Eastern and North Central States . At New Hampshire Experi- ment Station the application of fifteen cords of manure increased the yield of marketable potatoes over 100 bushels per acre compared ...
... profitable under most conditions in the Eastern and North Central States . At New Hampshire Experi- ment Station the application of fifteen cords of manure increased the yield of marketable potatoes over 100 bushels per acre compared ...
Página 38
... profitable . The use of 1,000 pounds of this fertilizer has given the greatest profit . Where 1,500 pounds or 2,000 pounds were used the cost of the fertilizer was more than the market value of the in- creased yield of potatoes . For ...
... profitable . The use of 1,000 pounds of this fertilizer has given the greatest profit . Where 1,500 pounds or 2,000 pounds were used the cost of the fertilizer was more than the market value of the in- creased yield of potatoes . For ...
Página 40
... profitable- a condition of affairs which could never be ascertained from the analyses . It is seldom that the increase in yield of crop bears any relationship to the quantity of the fertilizers applied . Without either fertilizers or ...
... profitable- a condition of affairs which could never be ascertained from the analyses . It is seldom that the increase in yield of crop bears any relationship to the quantity of the fertilizers applied . Without either fertilizers or ...
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