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2008

Principles of Drip Irrigation System

Jain Brothers

Auteur(s) : B.L. Ayare, M.S. Mane, S.S. Magar

Publisher : Jain Brothers
Date de parution : 2008
Pages : 198

Description

This book has been written to fulfill the needs of degree students of agriculture and agricultural engineering , studying in different institutions of the country. It could also be useful to the Scientists and Professionals working in this field. The book covers information regarding different aspects of drip irrigation system including selection of its components and their design, installation, regular repair and maintenance.

Contenu

I. INTRODUCTION : 1. History of Drip Irrigation System 2. Development in Plastics 3. Micro-irrigation System : i. Types of Micro Irrigation Systems

4. Crops Grown under Drip Irrigation System 5. Comparison of Drip, Sprinkler and Flood Irrigation Methods 6. Need of Drip Irrigation 7. Constraints in Adoption of Drip Irrigation Exercises

II. DRIP IRRIGATION SYSTEM : 1. What is Drip Irrigation 2. Benefits of Drip Irrigation 3. Limitations of Drip Irrigation 4. Components of Drip Irrigation System 5. Types of Drip Irrigation Systems 6. Operational Requirements 7. Measures for Promotion of Drip System Exercises

III. DRIPPERS : 1. Construction and Characteristics 2. Basic Requirements of Drippers 3. Types of Drippers 4. Theory of Flow Regimes 5. Hydraulics of Drippers 6. Temperature Sensitivity 7. Selection of Emitters 8. Pressure Discharge Relationship 9. Characteristics of Commonly Available Drippers Exercises

IV. DESIGN OF DRIP IRRIGATION SYSTEM : 1. Basic Information Required 2. Determination of Water Requirement 3. Basic Hydraulics of Drip Irrigation Lines 4. Steps in Design of Drip Irrigation System : i. Selection of Drippers ii. Selection and Design of Lateral iii. Selection and Design of Submain iv. Selection and Design of Main Line v. Selection of Pump vi. Calculation of Irrigation Time 5. Model Design of Drip Irrigation System for 1 ha Vegetables : i. Calculation of Quantities of Material Required and Cost Estimation 6. Model Design of 1 ha Fruit Crop : i. Calculation of Quantities of Material Required and Cost Estimation

7. General Estimates of Drip Irrigation System Problems Exercises

V. INSTALLATION AND COMMISSIONING OF DRIP IRRIGATION SYSTEM : 1. Installation of Filter 2. Connecting Main and Submains 3. Laying of Laterals 4. Punching of Laterals and Fixing of Drippers 5. Installation of Pump 6. Testing or Commissioning of the System 7. Instructions given to the Operator Exercises

VI. CLOGGING OF DRIP IRRIGATION SYSTEM : 1. Evaluation 2. Causes of Clogging : i. Physical Aspects : Suspended Solids ii. Chemical Aspects : Dissolved Solids and pH iii. Biological Aspects : Micro- and macro-organism Exercises

VII. MAINTENANCE OF DRIP IRRIGATION SYSTEM : 1. General Maintenance 2. Filter Cleaning 3. Submain and Lateral Flushing 4. Chemical Treatment : i. Acid Treatment ii. Chlorine Treatment iii. Chlorination Control iv. Chlorination Procedures v. Special Problems of Chlorination vi. Doses of Chlorination Exercises

VIII. PERFORMANCE EVALUATION OF DRIP IRRIGATION SYSTEM : 1. Manufacturing Characteristics : i. Coefficient of Manufacturer’s Variation ii. Operational Characteristics

2. Methods of Emission Uniformity Estimation 3. Soil Water Distribution 4. Drip Irrigation Efficiency : i. Distribution Efficiency ii. Application Efficiency Exercises

IX. FERTIGATION : 1. Advantages 2. Limitations 3. Criteria for Applying Fertilizers through Drip System 4. Equipment or Methods for Fertilizer Injection : i. Venturi Pumps ii. Fertilizer Tank with flow bypass iii. Pressure Bypass Tank iv. Injection Pumps

5. Nitrogen Fertilizer (N) 6. Phosphorus Fertilizers (P) 7. Potassium Fertilizers (K) 8. Micro Nutrient Fertilizers 9. Computing Fertilizer Quantities 10. Operating Procedure Exercises

X. FILTRATION : 1. Filtration Degree 2. Particle Size 3. Selection of Filter 4. Filtration Methods 5. Methods of Cleaning Filters Exercises

XI. FILTERS : 1. Gravel Filter 2. Screen Filter 3. Disk Filter 4. Cartridge Filters 5. Hydrocyclone Filters Exercises

XII. QUALITY OF IRRIGATION WATER : 1. Suitability 2. Composition of Irrigation Water 3. Water Quality Criteria 4. Classification of Irrigation Water Exercises

XIII. SOIL PLANT WATER RELATIONSHIPS : 1. Soil 2. Soil Texture 3. Soil Structure 4. Soil Water 5. Movement of Water in the Soil 6. Classification of Soil Water 7. Soil Moisture Measuring Instruments : i. Tensiometer ii. Electrical Resistance Measuring Devices iii. Neutron Moisture Meter iv. Time Domain Reflectometry (TDK)

8. Irrigation Scheduling 9. Drip Irrigation Scheduling Exercises

XIV. DRIP IRRIGATION MATERIAL SUPPLIERS LIST Question Bank

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Page publiée le 1er février 2011, mise à jour le 8 janvier 2013