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Either the entire field is flooded (basin irrigation) or the water is fed into small channels (furrows) or strips of land (borders) __________ top width width of the channel cross-section at the free surface
Either the entire field is flooded (basin irrigation) or the water is fed into small channels (furrows) or strips of land (borders) __________ top width width of the channel cross-section at the free surface
2.106
Unconfined aquifer aquifer which has water table serving as upper surface of the zone of __________
Unconfined aquifer aquifer which has water table serving as upper surface of the zone of __________
saturation
Uniformity coefficient ratio of the particle size at 60% passing to that at 10% passing __________
Uniformity coefficient ratio of the particle size at 60% passing to that at 10% passing __________
2.108
Uniform flow occurs when flow has a constant water area, depth, discharge, and average velocity through a reach of __________
Uniform flow occurs when flow has a constant water area, depth, discharge, and average velocity through a reach of __________
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Unimodal rainfall pattern rainfall pattern with five wet months of more than 200 mm/month, five dry months of less than 100 mm/month, two transition months of 100mm200mm/month and total annual rainfall above 1500 mm. __________
Unimodal rainfall pattern rainfall pattern with five wet months of more than 200 mm/month, five dry months of less than 100 mm/month, two transition months of 100mm200mm/month and total annual rainfall above 1500 mm. __________
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Unlined channels unlined canal canals that are cut through the soil, in which the soil excavated from the bed are used to form the __________
Unlined channels unlined canal canals that are cut through the soil, in which the soil excavated from the bed are used to form the __________
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The standard PNS/BAFS/PAES 216:2017 defines terms related to irrigation in areas like ______, active storage volume, evapotranspiration, and algal bloom.
The standard PNS/BAFS/PAES 216:2017 defines terms related to irrigation in areas like ______, active storage volume, evapotranspiration, and algal bloom.
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It includes definitions for terms like aquifer, basin irrigation, ______ strip, and crop coefficient.
It includes definitions for terms like aquifer, basin irrigation, ______ strip, and crop coefficient.
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The standard also covers terms like dam height, dead storage volume, conveyance efficiency, and crop water ______.
The standard also covers terms like dam height, dead storage volume, conveyance efficiency, and crop water ______.
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Definitions are provided for terms such as effective rooting depth, effluent standard, furrow irrigation, and hydraulic ______.
Definitions are provided for terms such as effective rooting depth, effluent standard, furrow irrigation, and hydraulic ______.
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It also explains terms like leaching, lined channel, manifold, and optimal emitter spacing in the context of irrigation ______.
It also explains terms like leaching, lined channel, manifold, and optimal emitter spacing in the context of irrigation ______.
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The standard encompasses definitions for terms like reference crop evapotranspiration, residual moisture content, side slope, and seepage ______.
The standard encompasses definitions for terms like reference crop evapotranspiration, residual moisture content, side slope, and seepage ______.
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It further elaborates on terms such as storage ratio, sprinkler spacing, structural height, and surface irrigation ______.
It further elaborates on terms such as storage ratio, sprinkler spacing, structural height, and surface irrigation ______.
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The formulation of this national standard was initiated by the Agricultural Machinery Testing and Evaluation Center (AMTEC) under the project entitled “Enhancement of Nutrient and Water Use Efficiency Through Standardization of Engineering Support Systems for Precision Farming” funded by the Philippine Council for Agriculture, Aquaculture and Forestry and Natural Resources Research and Development - Department of Science and Technology (PCAARRD DOST). As provided by the Republic Act 10601 also known as the Agricultural and Fisheries Mechanization Law (AFMech Law of 2013), the Bureau of Agriculture and Fisheries Standards (BAFS) is mandated to develop standard specifications and test procedures for agricultural and fisheries ______ and equipment.
The formulation of this national standard was initiated by the Agricultural Machinery Testing and Evaluation Center (AMTEC) under the project entitled “Enhancement of Nutrient and Water Use Efficiency Through Standardization of Engineering Support Systems for Precision Farming” funded by the Philippine Council for Agriculture, Aquaculture and Forestry and Natural Resources Research and Development - Department of Science and Technology (PCAARRD DOST). As provided by the Republic Act 10601 also known as the Agricultural and Fisheries Mechanization Law (AFMech Law of 2013), the Bureau of Agriculture and Fisheries Standards (BAFS) is mandated to develop standard specifications and test procedures for agricultural and fisheries ______ and equipment.
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The ______ of this national standard was initiated by the Agricultural Machinery Testing and Evaluation Center (AMTEC) under the project entitled “Enhancement of Nutrient and Water Use Efficiency Through Standardization of Engineering Support Systems for Precision Farming” funded by the Philippine Council for Agriculture, Aquaculture and Forestry and Natural Resources Research and Development - Department of Science and Technology (PCAARRD DOST).
The ______ of this national standard was initiated by the Agricultural Machinery Testing and Evaluation Center (AMTEC) under the project entitled “Enhancement of Nutrient and Water Use Efficiency Through Standardization of Engineering Support Systems for Precision Farming” funded by the Philippine Council for Agriculture, Aquaculture and Forestry and Natural Resources Research and Development - Department of Science and Technology (PCAARRD DOST).
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The Bureau of Agriculture and Fisheries Standards (BAFS) is mandated to develop standard specifications and test procedures for agricultural and fisheries ______ and equipment.
The Bureau of Agriculture and Fisheries Standards (BAFS) is mandated to develop standard specifications and test procedures for agricultural and fisheries ______ and equipment.
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The formulation of this national standard was initiated by the Agricultural Machinery Testing and Evaluation Center (AMTEC) under the project entitled “Enhancement of Nutrient and Water Use Efficiency Through Standardization of Engineering Support ______ for Precision Farming” funded by the Philippine Council for Agriculture, Aquaculture and Forestry and Natural Resources Research and Development - Department of Science and Technology (PCAARRD DOST).
The formulation of this national standard was initiated by the Agricultural Machinery Testing and Evaluation Center (AMTEC) under the project entitled “Enhancement of Nutrient and Water Use Efficiency Through Standardization of Engineering Support ______ for Precision Farming” funded by the Philippine Council for Agriculture, Aquaculture and Forestry and Natural Resources Research and Development - Department of Science and Technology (PCAARRD DOST).
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The Agricultural and Fisheries Mechanization Law (AFMech Law of 2013) mandates the Bureau of Agriculture and Fisheries Standards (BAFS) to develop standard specifications and test ______ for agricultural and fisheries machinery and equipment.
The Agricultural and Fisheries Mechanization Law (AFMech Law of 2013) mandates the Bureau of Agriculture and Fisheries Standards (BAFS) to develop standard specifications and test ______ for agricultural and fisheries machinery and equipment.
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The project entitled “Enhancement of Nutrient and Water Use Efficiency Through Standardization of Engineering Support Systems for Precision Farming” was funded by the Philippine Council for Agriculture, Aquaculture and Forestry and Natural Resources Research and Development - Department of Science and Technology (PCAARRD DOST) as per the provisions of Republic Act 10601, also known as the Agricultural and Fisheries Mechanization Law (AFMech Law of 2013) which mandates the Bureau of Agriculture and Fisheries ______ to develop standard specifications and test procedures for agricultural and fisheries machinery and equipment.
The project entitled “Enhancement of Nutrient and Water Use Efficiency Through Standardization of Engineering Support Systems for Precision Farming” was funded by the Philippine Council for Agriculture, Aquaculture and Forestry and Natural Resources Research and Development - Department of Science and Technology (PCAARRD DOST) as per the provisions of Republic Act 10601, also known as the Agricultural and Fisheries Mechanization Law (AFMech Law of 2013) which mandates the Bureau of Agriculture and Fisheries ______ to develop standard specifications and test procedures for agricultural and fisheries machinery and equipment.
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Study Notes
General Irrigation Terminologies
- This standard defines terms used in the general classification, planning, design, construction, and operations involved in irrigation.
- The standard has 123 definitions for terms related to irrigation, including concepts such as access areas, active storage, afflux, and more.
Irrigation Methods
- Basin irrigation: a type of surface irrigation where water is applied to the basin through a gap in the perimeter dike or adjacent ditch.
- Border irrigation: a method of irrigation that makes use of parallel border strips where the water flows down the slope at a nearly uniform depth.
- Drip irrigation: a method of irrigation that involves dripping water onto the soil at very low rates from emitters, where water is applied close to plants so that only part of the soil in which the roots grow is wetted.
- Furrow irrigation: a method of irrigation where water runs through small parallel channels as it moves down the slope of the field.
Water Measurement and Management
- Application efficiency: the ratio of the average depth of irrigation water infiltrated and stored in the root zone to the average depth of irrigation water applied.
- Conveyance efficiency: the ratio between water received at the inlet for a block of fields to that released at the project's headwork.
- Crop water requirements: the amount of water used in producing crops, which is the sum of evapotranspiration or consumptive use plus seepage and percolation losses.
- Effective rainfall: the amount of rainwater that falls directly on the field and is used by the crop for growth and development, excluding deep percolation, surface runoff, and interception.
Dam and Reservoir Construction
- Dam height: the vertical distance from the lowest point of the ground line to the dam crest.
- Freeboard: the additional height of the dam provided as a safety factor to prevent overtopping by wave action or other causes.
- Reservoir: a part of the system that impounds the runoff.
- Storage capacity: the total capacity at normal water surface elevation.
Water Quality and Environmental Factors
- Contamination: the introduction of substances not found in the natural composition of water that make the water less desirable or unfit for intended use.
- Effluent: discharges from known sources, such as wastewater flowing out of a manufacturing plant, industrial plant, or domestic, commercial, and recreational facilities.
- Pollutant: any substance that directly or indirectly alters the quality of any segment of the receiving water body or land resource, affecting or tending to affect adversely any beneficial use thereof.
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Description
Test your knowledge on irrigation methods and aquifer terminology with this quiz. Questions cover topics such as basin irrigation, furrows, uniformity coefficient, and uniform flow.
