A Manual for Citrus Growers1947 - 141 páginas |
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Página 19
... furrows for more even distribution . As a rule of thumb , water should reach the end of the furrow in not more than one - fourth of the total time the water will be in the furrow . The system used in any particular orchard depends upon ...
... furrows for more even distribution . As a rule of thumb , water should reach the end of the furrow in not more than one - fourth of the total time the water will be in the furrow . The system used in any particular orchard depends upon ...
Página 20
... Furrows : The most widely used system is that calling for or- dinary V - shaped furrows which are either straight or are " zig - zagged " or " cross - checked . " The convenience of this system and its relative ease of water control ...
... Furrows : The most widely used system is that calling for or- dinary V - shaped furrows which are either straight or are " zig - zagged " or " cross - checked . " The convenience of this system and its relative ease of water control ...
Página 25
... furrows one or more times after the fertilizer has been applied . This fixation tendency seems to be more pronounced in the upper end of the furrow than in the lower end and is greater in a heavy clay soil than in a light sandy one .
... furrows one or more times after the fertilizer has been applied . This fixation tendency seems to be more pronounced in the upper end of the furrow than in the lower end and is greater in a heavy clay soil than in a light sandy one .
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