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BS ISO 24120-1:2022

BS ISO 24120-1:2022

$167.15

Agricultural irrigation equipment. Guideline on the implementation of pressurized irrigation systems – General principles of irrigation

Published By Publication Date Number of Pages
BSI 2022 38
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PDF Catalog

PDF Pages PDF Title
2 undefined
6 Foreword
7 1 Scope
2 Normative references
3 Terms and definitions
4 Water management
4.1 Soil-water relationship
4.1.1 General
4.1.2 Solid particles and porosity
8 4.1.3 Soil water
9 4.1.4 Determination of amount of water in a soil layer
4.1.5 Water retention in soils
10 4.1.6 Soil water potential and movement of water in the soil
11 4.1.7 Water distribution in the soil
17 4.1.8 Distribution of salts in the irrigated volume
22 4.1.9 Salt concentration as a function of soil water content
4.1.10 Nutrients distribution
23 4.1.11 Root distribution
4.2 Water sources
4.2.1 Sources
4.2.2 Effects on soil and crops main parameters in relation to chemical/biological quality of the irrigation water
24 4.2.3 Effects on filters and irrigation emitters in relation to chemical and physical parameters
4.3 Water distribution network: main, sub-main, distribution pipes
25 5 Pressurized irrigation design
5.1 General
5.2 Data collection
5.2.1 Soil characteristics
5.2.2 Surface topography
5.2.3 Climate
5.2.4 Water source and quality
5.2.5 Crops characteristics (orchards, field crops, vegetables)
5.2.6 Local water use regulations
6 Calculating irrigation scheduling
6.1 General
6.2 Soil — Water reservoir
6.2.1 General
26 6.2.2 Calculation of water available for the crop in the root zone
6.2.3 Calculation of the management allowable deficit
6.2.4 Net irrigation depth (NID)
6.2.5 Gross irrigation depth (GID)
27 6.2.6 Leaching
6.3 Crop water requirements
28 6.4 Irrigation interval
29 Annex A (informative) Example of soil data
30 Annex B (informative) Methods for the determination of the wetted volume (bulb) dimensions
33 Annex C (informative) Salt tolerance of selected crops
34 Bibliography

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BS ISO 24120-1:2022
$167.15