A Manual for Citrus Growers1947 - 141 páginas |
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Página 36
... Carbon : Nitrogen Ratio . 21 : 1 19 : 1 37 : 1 72 : 1 Organic Carbon ( C ) ........ 22.93 48.91 48.30 49.85 SOIL ANALYSES SOIL ANALYSES There is a need for analyses [ 36 ] A MANUAL FOR CITRUS GROWERS.
... Carbon : Nitrogen Ratio . 21 : 1 19 : 1 37 : 1 72 : 1 Organic Carbon ( C ) ........ 22.93 48.91 48.30 49.85 SOIL ANALYSES SOIL ANALYSES There is a need for analyses [ 36 ] A MANUAL FOR CITRUS GROWERS.
Página 75
... carbon bisulfide should be poured and the hole plugged up . Near the spot where the tree trunk stood , four extra holes , 5 feet deep , should be made and likewise given a dosage of carbon bisulfide . This will treat the soil occupied ...
... carbon bisulfide should be poured and the hole plugged up . Near the spot where the tree trunk stood , four extra holes , 5 feet deep , should be made and likewise given a dosage of carbon bisulfide . This will treat the soil occupied ...
Página 81
... carbon , hydrogen , and oxygen . Carbon is obtained through the leaves from the carbon dioxide of the atmosphere ; hydrogen from soil moisture , and oxygen from both of these sources , plus free and combined oxygen absorbed from soil ...
... carbon , hydrogen , and oxygen . Carbon is obtained through the leaves from the carbon dioxide of the atmosphere ; hydrogen from soil moisture , and oxygen from both of these sources , plus free and combined oxygen absorbed from soil ...
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