The Potato ...Judd, 1905 - 185 páginas |
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Página 117
... mixture all over the plant would check the growth of these spores . 7. Not digging until ten days after the vines die . 8. Getting potatoes out of the field as soon as dug , and never covering piles of potatoes with spore - laden haulm ...
... mixture all over the plant would check the growth of these spores . 7. Not digging until ten days after the vines die . 8. Getting potatoes out of the field as soon as dug , and never covering piles of potatoes with spore - laden haulm ...
Página 118
... mixture . 2. Selection of vigorous varieties . 3. Better tillage and fertilization . It POTATO ROSETTE ( Rhizoctonia solani . ' ) — This dis- ease has been known since 1842 , but it is only recently that it has caused considerable ...
... mixture . 2. Selection of vigorous varieties . 3. Better tillage and fertilization . It POTATO ROSETTE ( Rhizoctonia solani . ' ) — This dis- ease has been known since 1842 , but it is only recently that it has caused considerable ...
Página 123
... on the margins of these holes . destruction of the plant . At no time in their life history can these insects be readily destroyed . They dislike Bordeaux mixture ; hence , the only known means of reducing. OBSTRUCTIONS TO DEVELOPMENT 123.
... on the margins of these holes . destruction of the plant . At no time in their life history can these insects be readily destroyed . They dislike Bordeaux mixture ; hence , the only known means of reducing. OBSTRUCTIONS TO DEVELOPMENT 123.
Página 124
... mixture Row 2. - Sprayed with very weak Bordeaux mixture and • I , 794 soap . Row 3. - Not Sprayed • 1,071 · 2,511 Row 4. - Sprayed with strong Bordeaux mixture 1,194 Row 5. - Sprayed with strong Bordeaux mixture and soap . · 1,090 Row ...
... mixture Row 2. - Sprayed with very weak Bordeaux mixture and • I , 794 soap . Row 3. - Not Sprayed • 1,071 · 2,511 Row 4. - Sprayed with strong Bordeaux mixture 1,194 Row 5. - Sprayed with strong Bordeaux mixture and soap . · 1,090 Row ...
Página 125
... mixture , hence in applying the poison it is found to be good practice to apply Bordeaux mixture at the same time . The whole of the plant should be covered , because if badly sprayed the bugs live on the unsprayed foliage . The ...
... mixture , hence in applying the poison it is found to be good practice to apply Bordeaux mixture at the same time . The whole of the plant should be covered , because if badly sprayed the bugs live on the unsprayed foliage . 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