Question
An area of 0.5 ha each of groundnut and sunflower is
irrigated every day with a discharge of 1500 l/min to the farm for 24 hr.Each crop receive 10 cm of water. What will be the efficiency of the irrigation systemSolution
Explanation: Water supplied to the farm= 1500×60×24/1000= 2160m3 Irrigation requirement= (10×0.5) +(10×0.5)= 10 ha cm                                    = 1000 m3 (1.0 ha cm= 100 m3) Irrigation efficiency= 1000/2100×100= 46.30
What is the purpose of callus initiation in plant tissue culture?
National Institute of Biotic Stress Management was established at which place and in which year?
Watershed is a –
By radioactive carbon method the age of the fossil can be determined upto:
Causal agent of Bacterial spot in citrus?
It is a pest when it is a larva, feeding on crops as it grows in size till it pupates and remains dormant from August till end of May.
What is the function of piston rings in an internal combustion engine?
Electron transport inhibition in PS-II (Photosystem II) for herbicidal action is observed in
Which is the trade name of flufenoxuron insecticide?
Chemical used to control the population of insects is calledÂ