A Manual for Citrus Growers1947 - 141 páginas |
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Página 10
... mixture of equal parts hydrated lime and copper sulphate , or with a mixture of 5 parts zinc sulphate , 1 part copper sulphate , and 4 parts of hydrated lime . If mottle - leaf is prevalent , spray with zinc and manganese one or two ...
... mixture of equal parts hydrated lime and copper sulphate , or with a mixture of 5 parts zinc sulphate , 1 part copper sulphate , and 4 parts of hydrated lime . If mottle - leaf is prevalent , spray with zinc and manganese one or two ...
Página 38
... mixture means that the material is 8 percent nitrogen , 8 percent phosphoric acid ; 4 percent potash . However , the tag may show the sources of the nitrogen content by means of other figures such as 2-2-4 . This means that the mixture ...
... mixture means that the material is 8 percent nitrogen , 8 percent phosphoric acid ; 4 percent potash . However , the tag may show the sources of the nitrogen content by means of other figures such as 2-2-4 . This means that the mixture ...
Página 61
... mixture de- scribed above , and made up with water to the consistency of thin paint or whitewash . This treatment should be repeated before the first rains set in . Under some conditions it may be necessary to repeat this treatment ...
... mixture de- scribed above , and made up with water to the consistency of thin paint or whitewash . This treatment should be repeated before the first rains set in . Under some conditions it may be necessary to repeat this treatment ...
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