Odisha CHSE +2 VOC Micro Irrigation Technician case studies
Odisha CHSE +2 VOC Micro Irrigation Technician · Put your knowledge to work in context.
The Odisha CHSE +2 Vocational Micro Irrigation Technician credential is a higher-secondary vocational qualification for students and working technicians who install, operate and service drip and sprinkler systems. It sits within the +2 Vocational stream under the Council of Higher Secondary Education, Odisha, and is aimed at people heading into farm-level irrigation service work, dealer and installer teams, or self-employment as a micro irrigation technician. The Odisha CHSE +2 VOC Micro Irrigation Technician case studies are 5 cases and about 5,373 words.
1A tomato drip block where the top rows wilt and the bottom rows drown
A 0.8 ha tomato block (80 m × 100 m) in Ganjam district is fed by a 5 hp submersible in a borewell at the lowest corner of the field. The farmer laid 16 mm inline laterals with 2 L/h drippers at 40 cm, laterals 1.5 m apart and 80 m long, running upslope.
1,078 words, about 5 min2Sprinkler sets on a sealed sandy loam where water runs off before the profile is wetted
A 0.6 ha groundnut field (90 m × 67 m) on sandy loam in Khurda district has a basic infiltration rate of 8 mm/h measured with a double-ring infiltrometer. The farmer uses hand-move sprinklers: 3 mm single nozzle, 2.5 kg/cm² at the nozzle, 1.1 L/s per sprinkler, spacing 12 m × 12 m, 8 sprinklers per shift, and a 3 hp monoblock pump with 5 m suction lift from an open well.
1,043 words, about 5 min3A venturi that will not suck and a pond-water drip system slimed with algae
A 0.4 ha banana plantation in Jajpur district uses drip fertigation from a 5 hp open-well pump rated about 10 m³/h at 2.5 bar. Water passes through a 120-mesh screen filter and a 2-inch venturi injector, then into a 63 mm PVC sub-main.
1,072 words, about 5 min4Inflating a subsidy quotation for a coconut drip system
A farm technician is preparing a quotation for 1.0 ha of coconut at 7 m × 7 m (204 palms) in a coastal block of Puri district. The draft bill is: 16 mm inline lateral 1,400 m at ₹18/m; 63 mm PVC main 120 m at ₹210/m; 408 pressure-compensating drippers at ₹12 each; one 2-inch screen filter ₹4,500; venturi ₹2,200; valves and fittings ₹6,500; installation labour ₹6,000; total ₹78,000 including GST.
1,070 words, about 5 min5Commissioning a borewell pump without earthing, backflow protection or a completed trial
A crew is commissioning a 7.5 hp 3-phase submersible pump in a 60 m borewell serving a 1.5 ha drip block in Balasore district. The control panel is fixed on a steel pole at the field edge: there is no earth pit, no ELCB, and the cable joint about 3 m above the pump is taped rather than heat-shrink potted.
1,110 words, about 6 min