Description : Irrigation is applied to the crop at
Last Answer : Ans.50%soil moisture depletion stage
Description : The ratio between marketable crop yield and water used in evapotranspiration is known as– 1) Field water use efficiency 2) Economic irrigation efficiency 3) Consumptive use efficiency 4) Water use efficiency
Last Answer : 1) Field water use efficiency
Description : The consumptive use of water for a crop a. Is measured as the volume of water per unit area b. Is measured as depth of water on irrigated area c. May be supplied partly by precipitation and partly by irrigation d. All the above
Last Answer : d. All the above
Description : The consumptive use of water is equal to
Last Answer : Ans.ET + Mw
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 : 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 : 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 : Volume or quantity of water required for irrigation to bring a crop to maturity
Last Answer : Ans.Duty of water
Description : Pressure, applied in sprinkler irrigation system
Last Answer : Ans.>2.5 bar
Description : A branch of agricultural science which deals with principles and practices of soil, water and crop management.
Last Answer : Ans.Agronomy
Description : Potato crop favours the soil for best growth
Last Answer : Ans.Sandy loam soil
Description : The tillage referred as no tillage in which the crop is planted in unprepared soil
Last Answer : Ans.Zero tillage
Description : An ideal condition of soil for crop growth?
Last Answer : Ans.Seed-bed
Description : Generally, the third row of crop is removed or growing of crop in pair row and the third row is escaped with an object to conserve the soil moisture in Dryland areas?
Last Answer : Ans.Paired row Crops
Description : A close-growing crop, grown primarily to improve and protect the soil from erosion through their ground covering foliage and/or rootmats between periods of regular crop production?
Last Answer : Ans.Cover Crops
Description : Consumptive use of a crop during growth, is the amount of (A) Interception (B) Transpiration (C) Evaporation (D) All the above
Last Answer : Answer: Option D
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 : Salt content in irrigation water evaluated as best quality
Last Answer : Ans.0.2 to 0.5 g/lt
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 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 : Horizontal flow of water in irrigation channels or through canals is known as
Last Answer : Ans.Seepage
Description : A period in which the available soil moisture is enough to meet the evapotranspiration requirement of dry land crops
Last Answer : Ans.Length of growing period
Description : The optimum range of available soil moisture for convenient and effective ploughing
Last Answer : Ans.50-75%
Description : Irrigation project covered < 2,000 ha of CCA
Last Answer : Ans.Minor irrigation project
Description : Irrigation project covered 2,000 to 10,000 ha of CCA
Last Answer : Ans.Medium irrigation project
Description : Irrigation project covered >10,000 ha of catchments command area (CCA)
Last Answer : Ans.Major irrigation project
Description : Which irrigation method has highest irrigation efficiency?
Description : Drip Irrigation method is also known as
Last Answer : Ans.Trickle irrigation
Description : Drip Irrigation is discovered at
Last Answer : Ans.Israel
Description : Irrigation method, suitable for undulating land, sandy soils and Vegetable and fruit crops
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 : Life saving irrigation is also known as
Last Answer : Ans.Contingency irrigation
Description : Most critical stages for irrigation of tobacco is
Last Answer : Ans.Topping
Description : Most critical stage for irrigation in potato is
Last Answer : Ans.25%tuber formation stage
Description : The most critical stage of sugarcane for irrigation is
Last Answer : Ans.Formative stage (60-130 days after planting)
Description : The critical stages for irrigation in Rapseed and mustard are
Last Answer : Ans.Rosette stage and Siliqua formation stage 16. Safflower
Description : The most suitable irrigation method for groundnut
Last Answer : Ans.Check basin method
Description : The main critical stage of groundnut for irrigation
Last Answer : Ans.Flowering stage, Pegging stage and Pod formation stage
Description : Critical stage for irrigation in barley
Last Answer : Ans.Active Tiplering Stage (30–35 DAS)
Description : The most critical stages for irrigation in maize
Last Answer : Ans.Silking stage.
Description : The most important critical stage of rice for irrigation
Last Answer : Ans.Tillering to flowering stage
Description : Potato tubers should be stored in ventilated closed room with maintenance of
Last Answer : Ans.4-50C temperature and 90-95%RH 25. Tobacco
Description : 80 per cent phosphorus in bajra grains stored in the form of
Last Answer : Ans.Phytate
Description : Water requirement of cotton crop
Last Answer : Ans.70-130 cm
Description : The total depth of water (cm) required y a crop during its duration in the field
Last Answer : Ans.Delta
Description : The herbicides applied 30-40 DAS are comes under
Last Answer : Ans.Post-emergence herbicides.
Description : The herbicides applied 1-4 days after sowing are comes under
Last Answer : Ans.Pre-emergence herbicides.
Description : The herbicides applied 1 day before sowing/planting or just are comes under
Last Answer : Ans.Pre-plant incorporated (PPI) herbicides.