A Manual for Citrus Growers1947 - 141 páginas |
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Página 2
... plow - sole and boron injury . Plow - sole interferes with penetration of rain and irri- gation water with the result that the boron is not leached . Manage- ment methods which eliminate plow - sole will greatly reduce the effects of ...
... plow - sole and boron injury . Plow - sole interferes with penetration of rain and irri- gation water with the result that the boron is not leached . Manage- ment methods which eliminate plow - sole will greatly reduce the effects of ...
Página 95
... PLOW - SOLE - Perhaps a condition which should be watched most in citrus groves is the possible formation of a plow - sole . This is brought about by disking when the soil is too wet . It is present in many groves where it is not ...
... PLOW - SOLE - Perhaps a condition which should be watched most in citrus groves is the possible formation of a plow - sole . This is brought about by disking when the soil is too wet . It is present in many groves where it is not ...
Página 96
... plow - sole , the opinion generally is that subsoiling may temporarily help , but that the results are never permanent and can- not be done without injury to the roots . Besides care in cultivating , another practice in breaking up plow- ...
... plow - sole , the opinion generally is that subsoiling may temporarily help , but that the results are never permanent and can- not be done without injury to the roots . Besides care in cultivating , another practice in breaking up plow- ...
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