A Manual for Citrus Growers1947 - 141 páginas |
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Página 80
... weeds . It is a tricky material , however , and unless extreme care is used in its application serious damage to trees may result . E. Dudley , deputy agricultural commissioner , Orange County , having made extensive tests with the ...
... weeds . It is a tricky material , however , and unless extreme care is used in its application serious damage to trees may result . E. Dudley , deputy agricultural commissioner , Orange County , having made extensive tests with the ...
Página 95
... weeds . The two schools of thought will be discussed in this chapter . The accepted viewpoint as to cultivating California citrus groves is generally conceded to be : cultivate only when necessary to control weed growth ; or to turn ...
... weeds . The two schools of thought will be discussed in this chapter . The accepted viewpoint as to cultivating California citrus groves is generally conceded to be : cultivate only when necessary to control weed growth ; or to turn ...
Página 96
... weeds with a hand - hoe , and had used the same irrigation furrows for several years . Hinck- ley's trees were thrifty and were consistently producing an abund- ance of high quality fruit of good size . Frank Hinckley is the originator ...
... weeds with a hand - hoe , and had used the same irrigation furrows for several years . Hinck- ley's trees were thrifty and were consistently producing an abund- ance of high quality fruit of good size . Frank Hinckley is the originator ...
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