The Potato ...Judd, 1905 - 185 páginas |
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Página 38
... mixture containing 4 per cent . nitrogen , 8 per cent . available phosphoric acid , and 10 per cent . potash has proven satisfactory . It is used in amounts varying from 500 pounds to 2,000 pounds per acre , and in many cases more ...
... mixture containing 4 per cent . nitrogen , 8 per cent . available phosphoric acid , and 10 per cent . potash has proven satisfactory . It is used in amounts varying from 500 pounds to 2,000 pounds per acre , and in many cases more ...
Página 48
... mixture on this ac- count . Sulphate or muriate of potash are better for mixtures . Applying Fertilizers . - When a horse planter is used the fertilizer is usually distributed in the row at the time of planting . The fertilizer may be ...
... mixture on this ac- count . Sulphate or muriate of potash are better for mixtures . Applying Fertilizers . - When a horse planter is used the fertilizer is usually distributed in the row at the time of planting . The fertilizer may be ...
Página 85
... Mixtures of varieties are Many varieties are deliberately or unintentionally sold for something else . sold as one . Good varieties are often renamed and sold by unscrupulous seedsman and others as some- thing new . There is ...
... Mixtures of varieties are Many varieties are deliberately or unintentionally sold for something else . sold as one . Good varieties are often renamed and sold by unscrupulous seedsman and others as some- thing new . There is ...
Página 115
... mixture , copper sulphate and soda mix- d Ο e f 9 h i j k FIG . 35 - THE MATURATION OF A SPORE SAC ( CONIDIA ) AND GERMINATION OF A SPORE ( ZOOSPORE ) OF ROT ( Phytophthora infestans ) ( After Marshall Ward ) a - Ripe spore sac in water ...
... mixture , copper sulphate and soda mix- d Ο e f 9 h i j k FIG . 35 - THE MATURATION OF A SPORE SAC ( CONIDIA ) AND GERMINATION OF A SPORE ( ZOOSPORE ) OF ROT ( Phytophthora infestans ) ( After Marshall Ward ) a - Ripe spore sac in water ...
Página 116
... mixture . Plants half sprayed are not secure , as the disease can spread rapidly inside the plant . The plant must be com- pletely coated all the time to be immune . This may be impos- sible when a plant is growing , but this is not the ...
... mixture . Plants half sprayed are not secure , as the disease can spread rapidly inside the plant . The plant must be com- pletely coated all the time to be immune . This may be impos- sible when a plant is growing , but this is not the ...
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