Description : Which of the following is a method of indirect measurement of soil moisture?
Last Answer : Ans.Neutron moisture meter
Description : Which of the following can be used for the direct measurement of volumetric flow rate of slurry? (A) Venturimeter (B) Orificemeter (C) Rotameter (D) Pitot tube
Last Answer : (C) Rotameter
Description : Micro irrigation method, in which water is applied as drop form through emitters
Last Answer : Ans.Drip method
Description : Micro irrigation method, in which water is applied as spray
Last Answer : Ans.Sprinkler method
Description : Which irrigation method has highest irrigation efficiency?
Description : Drip method is suitable for
Last Answer : Ans.Wider spaced orchard crops, sugarcane and for saline soils
Description : Drip Irrigation method is also known as
Last Answer : Ans.Trickle irrigation
Description : Irrigation method, suitable for undulating land, sandy soils and Vegetable and fruit crops
Description : The method, suitable for crops i.e. Sorghum, cotton, maize, tobacco, potato, sugarcane etc is
Last Answer : Ans.Furrow method
Description : The method in which field divided into number of strips by bunds of around 15 cm height is
Last Answer : Ans.Border strip method
Description : Ring basin method is suitable for
Last Answer : Ans.Fruit trees
Description : Most common method of surface irrigation to irrigate groundnut and pulses
Last Answer : Ans.Check basin
Description : Irrigation method suitable for lowland rice and jute
Last Answer : Ans.Flooding
Description : Priming method of harvesting is popular in
Last Answer : Ans.Cigarette, Wrapper and Chewing type
Description : The most popular method for potato planting is
Last Answer : Ans.Ridge and Furrow
Description : A method of plant analysis for assessing nutrient requirement in sugarcane is
Last Answer : Ans.Crop Logging
Description : Ridge and furrow method is mostly used in
Last Answer : Ans.South India
Description : Flat bed method of sugarcane planting is most common in
Last Answer : Ans.North India
Description : The most suitable irrigation method for groundnut
Last Answer : Ans.Check basin method
Description : Dapog method is most commonly prevalent in
Last Answer : Ans.Philippines
Description : Under SRI method, rice plant is transplanted at
Last Answer : Ans.10-12 DAS (Days After Sowing)
Description : Detachment and transportation of top soil particles by wind and or by water is known as.
Last Answer : Ans.Soil erosion
Description : What is the concentration of solution in ppm if 2 kg of 2,4-D is mixed with 1000 lit of water?
Last Answer : Ans.2000
Description : The chemicals used to check transpiration losses of water
Last Answer : Ans.Antitranspirents
Description : Which is accumulated in the leaves of water stressed plants
Last Answer : Ans.ABA
Description : The moisture deficit condition, results when the amount of water vapour available in the soil is not sufficient to meet the demand of potential evapo-transpiration
Last Answer : Ans.Drought
Description : Water harvesting in situ is known as
Last Answer : Ans.Runoff farming (VII) Dryland Agriculture
Description : Salt content in irrigation water evaluated as best quality
Last Answer : Ans.0.2 to 0.5 g/lt
Description : The ratio of the crop yield to the total amount of water used for irrigation is called, measured in kg/ha-cm is
Last Answer : Ans.Water use efficiency
Description : What will be CPE value when irrigation is scheduled at 0.8 IW/CPE with 6.0 cm depth of irrigation water?
Last Answer : Ans.7.5 cm or 75 mm
Description : The period when water requirement is maximum is called as
Last Answer : Ans.Critical stages of water requirement
Description : Water requirement of maize and groundnut are
Last Answer : Ans.50-80 cm
Description : Water requirement of cotton crop
Last Answer : Ans.70-130 cm
Description : Water requirement of sugarcane
Last Answer : Ans.150-250 cm
Description : Water requirement of wheat, sorghum, soybean and tobbaco are
Last Answer : Ans.45-65 cm
Description : Water requirement of rice is
Last Answer : Ans.90-250 cm
Description : The consumptive use of water is equal to
Last Answer : Ans.ET + Mw
Description : The quantity of water needed for normal crop growth and yield in a period of time to a place and may be supplied by precipitation or by irrigation or by both.
Last Answer : Ans.Water requirement of a crop
Description : The process in which soil water lost from leaves of plants in the form of vapour and enters the surrounding atmosphere.
Last Answer : Ans.Transpiration
Description : A diffusive process by which liquid water in the form of vapour is lost in the atmosphere
Last Answer : Ans.Evaporation
Description : Capillary movement of water is complemented by
Last Answer : Ans.Root extension
Description : When water is held tightly as thin film around soil particles by adsorption forces and flows at gravity of > -31 bar, is called
Last Answer : Ans.Hygroscopic water
Description : The water, retained by the soil in capillary pores (micropores), against gravity (-1/3 to - 31 bar) by the force of surface tension
Last Answer : Ans.Capillary water
Description : The water, that moves downward freely under the influence of gravity (< 1/3 bar) beyond the root zone
Last Answer : Ans.Gravitational water
Description : The amount of soil moisture or water content held in soil after excess water has drained away is called
Last Answer : Ans.Field capacity (FC)
Description : The water content between Field capacity (-1/3 bar) to PWP (-15 bar) is called
Last Answer : Ans.Available water
Description : The saving of water in sprinkler and drip irrigation methods as compared to surface irrigation methods
Last Answer : Ans.25-50%and 50-70%water, respectively.
Description : Discharge rate of water per dripper is
Last Answer : Ans.1-4 litre/hrs
Description : The rate of water delivery in sprinkler system is
Last Answer : Ans.>1000 litre/hrs.
Description : The most common water flow measuring device which measures water flow in open conduit is
Last Answer : Ans.Parshall/Venturi flume