Irrigation Manual - Crop Water Requirements and Irrigation Scheduling PDF Download
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Author:
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Category :
Languages : en
Pages :
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Author:
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Category :
Languages : en
Pages :
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Author: L. Salazar
Publisher:
ISBN:
Category :
Languages : en
Pages : 178
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Book Description
Estimating irrigation requirements: reference crop evapotranspiration, Crop coefficients; Soil and crop parameters: soil moisture storage and availability, Development of the soil water reservoir, Soil water availability and crop use, Soil intake characteristics; Irrigation scheduling: basic equations, Scheduling the farm system. Water management; Control of irrigation water: Farm control structures, Water measurement; Project irrigation scheduling; Use of lysimeters in irrigation scheduling; Developing the climate data base; Other aspects of irrigation management; Developing water management programs; Irrigation scheduling - successes and failures; Farm level scheduling.
Author: Martin Smith
Publisher: Food & Agriculture Org.
ISBN: 9789251031063
Category : Business & Economics
Languages : en
Pages : 140
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Book Description
Setting up cropwat: conditions of use and distribution; Installation; File structure. Getting started on cropwat: Main menu; Printer setting; Default drive and path for data input and retrieval. Eto Calculations: Input climatic station; Retrieval of Eto data from disk; Output. Crop water requeriments: Input climate data; Input of crop data; Crop water requirements results; Program continuation. Rice water requirements: Input of rice data from keyboard; Saving of rice data; Retrieval ofrice data from disk; Date of transplanting; Rice irrigation calculations; Rice irrigation output; Program continuation. Irrigation Scheduling: Data input for irrigation scheduling; Irrigation Scheduling options; Irrigation Scheduling calculations; Irrigation Scheduling output; Program continuation. Scheme water supply: Data input; Calculations; Output. Calculation of reference evapotranspiration: Data collection; Data conversion; Climatic data input; Climatic data and Eto output; Climatic and Eto data saving; Processing of rainfall data: Rainfall definitions; Rain data collection; Rain data processing; Effective Rainfall method; Rain data input; Saving climatic data; Printout of climatic data. Cropping pattern and crop information: Data collection; Cropping pattern; Crop data input. Crop water requirement calculations: File input; CWR calculations; CWR field files; Summary of CWR calculations. Scheme and canal water requirements: Calculation procedures; Field file input; Scheme water requirements (SWR) results; Evaluation of SWR results. Irrigation Scheduling: Data input; Soil data collection; Soil datainput; Irrigation scheduling applications.
Author: Food and Agriculture Organization of the United Nations
Publisher: International Commission
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 408
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Author: Norman A. MacGillivray
Publisher:
ISBN:
Category : Crops and water
Languages : en
Pages : 118
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Author: Blaine Hanson
Publisher: UCANR Publications
ISBN: 1601078870
Category : Technology & Engineering
Languages : en
Pages : 220
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Book Description
his handy guide will help you schedule your irrigation needs so you can make every drop count. Inside you'll find sections on the relationship between crop evapotranspiration and yield, how to measure crop evapotranspiration by measuring soil moisture, and how to interpret those readings. One of a series of water management handbooks prepared by the University of California Irrigation Program.
Author: J. Doorenbos
Publisher:
ISBN:
Category : Crops
Languages : en
Pages : 202
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Book Description
Calculation of crop evapotranspiration; Selection of crop coeficient; Calculation of field irrigation requirements.
Author: W. O. Pruitt
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 72
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Author: Jennifer Laffan
Publisher: NSW Agriculture
ISBN: 1742568068
Category : Reference
Languages : en
Pages : 96
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Book Description
Scheduling irrigation is about planning when and how much water to apply to a crop to achieve crop production or a particular quality. The principles of scheduling water apply to all crops, however the critical timing, methods and techniques can vary with the crop. This book is about: · the ways in which specific crops respond to stress and the effects of the timing and degree of stress and the growth stage of the crop · evapotranspiration (ET) and crop water use to schedule irrigations · developing an irrigation schedule · terms used to describe the amount of water available to a crop · soil moisture probes and where to locate them · water quality issues to consider. TABLE OF CONTENTS Chapter 1: Introduction Chapter 2: Safety Chapter 3: Environmental Impacts Of Irrigation Chapter 4: The Need For Water Varies Chapter 5: Factors Affecting Evapotranspiration Chapter 6: Scheduling Irrigations Chapter 7: How Soil Holds Water Chapter 8: Data From Soil Moisture Probes Chapter 9: Do You Need A Calibrated Probe? Chapter 10: Implementing A Deficit Strategy Chapter 11: Placement Of Soil Probes Chapter 12: Irrigation Water Quality Appendix 1: Determining PAWC Appendix 2: Determining RAW From Soil Texture Appendix 3: Determining Starting And Final Soil Moisture Appendix 4: Calibration Of Soil Moisture Monitoring Tools Appendix 5: IrriSAT – Weather based scheduling tool Further Information
Author: Harold Ray Duke
Publisher:
ISBN:
Category : Evapotranspiration
Languages : en
Pages : 88
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