Coffee irrigation using overhead sprinkler system
Irrigation is an important exercise for increasing crop production. However, excessive and untimely irrigation can affect yield adversely. Therefore, a new and more precise method of monitoring irrigation need in coffee has been developed and described. The method is based on the time taken for the dry cobalt chloride paper disk to change its colour from blue to pink when attached to the abaxial side of the leaf at what has been termed the critical leaf water potential of-20 bar. If the time taken for the colour change is more than 5 minutes (between 1.00 and 2.00 p.m.), trees should be irrigated otherwise not. Also, the conventional method, which is based on the soil moisture deficit, has been described. The paper explains further the procedure for having a proper design of sprinkler irrigation enabling farmers to apply the required depth of irrigation once the assessment as to the irigation need has been established. A nomograph, that gives the application rate for various flow rates per sprinkler as a function of sprinkler spacings has been developed. Diagrams, which give the flow rate as a function of operating pressure for various nozzle sizes, have also been provided
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KOHA-OAI-BVE:780182022-09-21T12:26:30ZCoffee irrigation using overhead sprinkler system 84191 Kumar, D. 49864 Bondurant, B.L. 82464 Katyal, A.K. Oct 1982Irrigation is an important exercise for increasing crop production. However, excessive and untimely irrigation can affect yield adversely. Therefore, a new and more precise method of monitoring irrigation need in coffee has been developed and described. The method is based on the time taken for the dry cobalt chloride paper disk to change its colour from blue to pink when attached to the abaxial side of the leaf at what has been termed the critical leaf water potential of-20 bar. If the time taken for the colour change is more than 5 minutes (between 1.00 and 2.00 p.m.), trees should be irrigated otherwise not. Also, the conventional method, which is based on the soil moisture deficit, has been described. The paper explains further the procedure for having a proper design of sprinkler irrigation enabling farmers to apply the required depth of irrigation once the assessment as to the irigation need has been established. A nomograph, that gives the application rate for various flow rates per sprinkler as a function of sprinkler spacings has been developed. Diagrams, which give the flow rate as a function of operating pressure for various nozzle sizes, have also been providedIrrigation is an important exercise for increasing crop production. However, excessive and untimely irrigation can affect yield adversely. Therefore, a new and more precise method of monitoring irrigation need in coffee has been developed and described. The method is based on the time taken for the dry cobalt chloride paper disk to change its colour from blue to pink when attached to the abaxial side of the leaf at what has been termed the critical leaf water potential of-20 bar. If the time taken for the colour change is more than 5 minutes (between 1.00 and 2.00 p.m.), trees should be irrigated otherwise not. Also, the conventional method, which is based on the soil moisture deficit, has been described. The paper explains further the procedure for having a proper design of sprinkler irrigation enabling farmers to apply the required depth of irrigation once the assessment as to the irigation need has been established. A nomograph, that gives the application rate for various flow rates per sprinkler as a function of sprinkler spacings has been developed. Diagrams, which give the flow rate as a function of operating pressure for various nozzle sizes, have also been providedABASTECIMIENTO DE AGUARIEGORIEGO POR ASPERSIONRIEGOKenya Coffee (Kenia) |
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ABASTECIMIENTO DE AGUA RIEGO RIEGO POR ASPERSION RIEGO ABASTECIMIENTO DE AGUA RIEGO RIEGO POR ASPERSION RIEGO |
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ABASTECIMIENTO DE AGUA RIEGO RIEGO POR ASPERSION RIEGO ABASTECIMIENTO DE AGUA RIEGO RIEGO POR ASPERSION RIEGO 84191 Kumar, D. 49864 Bondurant, B.L. 82464 Katyal, A.K. Coffee irrigation using overhead sprinkler system |
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Irrigation is an important exercise for increasing crop production. However, excessive and untimely irrigation can affect yield adversely. Therefore, a new and more precise method of monitoring irrigation need in coffee has been developed and described. The method is based on the time taken for the dry cobalt chloride paper disk to change its colour from blue to pink when attached to the abaxial side of the leaf at what has been termed the critical leaf water potential of-20 bar. If the time taken for the colour change is more than 5 minutes (between 1.00 and 2.00 p.m.), trees should be irrigated otherwise not. Also, the conventional method, which is based on the soil moisture deficit, has been described. The paper explains further the procedure for having a proper design of sprinkler irrigation enabling farmers to apply the required depth of irrigation once the assessment as to the irigation need has been established. A nomograph, that gives the application rate for various flow rates per sprinkler as a function of sprinkler spacings has been developed. Diagrams, which give the flow rate as a function of operating pressure for various nozzle sizes, have also been provided |
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ABASTECIMIENTO DE AGUA RIEGO RIEGO POR ASPERSION RIEGO |
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84191 Kumar, D. 49864 Bondurant, B.L. 82464 Katyal, A.K. |
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84191 Kumar, D. 49864 Bondurant, B.L. 82464 Katyal, A.K. |
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84191 Kumar, D. |
title |
Coffee irrigation using overhead sprinkler system |
title_short |
Coffee irrigation using overhead sprinkler system |
title_full |
Coffee irrigation using overhead sprinkler system |
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Coffee irrigation using overhead sprinkler system |
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Coffee irrigation using overhead sprinkler system |
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coffee irrigation using overhead sprinkler system |
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Oct |
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AT 84191kumard coffeeirrigationusingoverheadsprinklersystem AT 49864bondurantbl coffeeirrigationusingoverheadsprinklersystem AT 82464katyalak coffeeirrigationusingoverheadsprinklersystem |
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