| 000 | 02240nam a2200241#a 4500 | ||
|---|---|---|---|
| 001 | vtls000002502 | ||
| 008 | 230822s1985 xx 000 0 eng d | ||
| 020 | _a0713447168 | ||
| 040 | _aJPS | ||
| 041 | _aeng | ||
| 080 | _a631.67 | ||
| 090 | 0 | 0 | _aIRRI 631.67 KAY |
| 100 |
_aKAY, MELVYN, _eauthor |
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| 245 | 0 |
_aSPRINKLER IRRIGATION: EQUIPMENT AND PRACTICE/ _cMELVIN KAY |
|
| 260 |
_aLondon: _bBatsford Academic and Educational, _c1985 |
||
| 300 |
_a120 pages: _billustrations |
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| 505 | _a1. Introduction 2. Hydraulics: Basic definition 2.1 Objectives 2.2 SI Units 2.3 Pressure 2.4 Discharge 2.5 Rotary sprinklers: Introduction 2.6 Water distribution 2.7 Application rate 2.8 drop sizes 2.9 Factors affecting performance 2.10 Set time 2.11 Flow in pipes: Introduction 2.12 Pipe sizes and safe pressure 2.13 Factors affecting pipe flows 2.14 Effects of elevation on pressure 2.15 Pumping pressure requirement 2.16 Waterhammer 3. Conventional systems 3.1 Introduction 3.2 Portable systems 3.3 Solid-set or permanent systems 3.4 Semi-permanent systems 3.5 System components: Mainline and laterals 3.6 Pipe couplers 3.7 Valves 3.8 Filters 3.9 Risers 3.10 Rotary sprinklers 3.11 Pressure regulators 3.12 Pipe specials 3.13 Field management: Moving pipes and sprinklers 3.14 Field boundaries 4. Mobile Raingun system 4.1 Introduction 4.2 Hose-pull system 4.3 Hose-reel system 4.4 Rainguns 4.5 Drive mechanism 4.6 Water supply hoses 4.7 Maintenance 4.8 Field management 4.9 Safety 4.10 Safety and powerlines 5. Spraylines 5.1 Stationary spraylines 5.2 oscillating spraylines 5.3 rotating spraylines 6. Mobile lateral systems 6.1 Centre-pivot systems 6.2 Side-move systems 6.3 Care and maintenance 6.4 New developments 7. Choosing a sprinkler system 7.1 Land topography 7.2 Field shape 7.3 Soils 7.4 Crops 7.5 Labour 8. Pumping plant 8.1 Centrifugal pumps 8.2 Types of installation 8.3 Suction 8.4 Delivery 8.5 Operation 8.6 Common faults 8.7 Care and maintenance 8.8 Performance 8.9 Power units | ||
| 546 | _aIn English | ||
| 650 | 1 | 0 | _aIRRIGATION, SPRINKLER |
| 942 | _cMONO | ||
| 990 | _a1985 | ||
| 999 |
_a05315 05316 _a631.67 KAY _aVIRTUA00 _aVTLSSORT0080*0200*0410*0800*0900*1000*2450*2600*3000*5050*5460*6500*9040*9490*9491*9900*9994 _c1612 _d1612 |
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| 003 | JPS | ||