A Manual for Citrus Growers1947 - 141 páginas |
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Página 17
... applied requires sampling the soil among the tree roots as deeply as they penetrate . Such sampling should be made in many spots over the orchards . Experience will show that certain areas of the orchard dry first . It will also show ...
... applied requires sampling the soil among the tree roots as deeply as they penetrate . Such sampling should be made in many spots over the orchards . Experience will show that certain areas of the orchard dry first . It will also show ...
Página 49
... applied about the middle of March when the first thrips appear . The second dusting of one pound per tree is applied during bloom or by the time the petals are off . The third dusting is applied about two weeks later , or in May , and ...
... applied about the middle of March when the first thrips appear . The second dusting of one pound per tree is applied during bloom or by the time the petals are off . The third dusting is applied about two weeks later , or in May , and ...
Página 110
... Applied by hand onto the tree at a rate of 1 lb. per tree . 3 Metaldehyde bait : commercial brand of bait containing 2.75 % metaldehyde ; applied in small piles on the ground around the periphery of the tree at the rate of 1/3 lb. per ...
... Applied by hand onto the tree at a rate of 1 lb. per tree . 3 Metaldehyde bait : commercial brand of bait containing 2.75 % metaldehyde ; applied in small piles on the ground around the periphery of the tree at the rate of 1/3 lb. per ...
Índice
Chapter Page 1 SOILS CLIMATE WATER | 2 |
CITRUS TREES | 4 |
IRRIGATION PRACTICES | 11 |
Direitos de autor | |
18 outras secções não apresentadas
Palavras e frases frequentes
100 gallons acid alkaline ammonia amount applied areas black scale boxes per acre brown rot carbon cause chemical chlorosis Citrus Diseases Citrus Experiment Station citrus fruits citrus growers Citrus Leaves citrus trees copper COST PER ACRE County cover-crops crop cultivation Cultural Cost damage dust effective fertilizer field boxes foliage fumigation fungus furrows grapefruit grove growth heavy inches injury insects irrigation irrigation water juice leaf lemons lime manganese deficiency manures material mealybug method mixture moisture Mutual Orange Distributors navel navel oranges nitrate nitrogen oil spray orchard organic matter packed boxes parasites percent pest control phosphate phosphorus plow-sole potash pounds production profitable pruning red scale red spider rind root zone rootstock Rough lemon scaly bark Septoria soil sucker sulphate sulphur symptoms temperature thrips treatment trifoliate orange trunk usually Valencia orange virus weeds windbreak wood young trees zinc deficiency zinc oxide zinc sulfate