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 : Mustard crop planted at a spacing of 50 x 20 cm will have _______ plants/ha.
Last Answer : Ans.1,00,000
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 : True potato seed (TPS) enough for planting one ha. crop.
Last Answer : Ans.40-45 gm
Description : The total depth of water (cm) required y a crop during its duration in the field
Last Answer : Ans.Delta
Description : The percentage of applied irrigation water stored in the soil and made available for consumptive use by the crop
Last Answer : Ans.Irrigation Efficiency
Description : Volume or quantity of water required for irrigation to bring a crop to maturity
Last Answer : Ans.Duty of water
Description : Irrigation is applied to the crop at
Last Answer : Ans.50%soil moisture depletion stage
Description : “Relative land area under sole crop required to produce the same yield as obtained under a mixed or intercropping system at the same level of management is termed as
Last Answer : Ans.Land equivalent ratio (LER)
Description : Forage yield of oat crop is
Last Answer : Ans.400 - 450 qt/ha 24. Potato
Description : Forage yield of berseem crop is
Last Answer : Ans.800 - 1100 qt/ha
Last Answer : Ans.800 - 1000 qt/ha 22. Lucerne/Alfalfa
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 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 : Average Maize yield in India is (a) 1000 kg/ha (b) 1800 kg/ha (c) 2500 kg/ha (d) 4000 kg/ ha
Last Answer : (c) 2500 kg/ha
Description : If the yield from weed free is 3500 kg and that from weedy 1500 kg/ha, weed index would be a). 57.1% b). 133.3% c). 45.0% d). 25.6%
Last Answer : a). 57.1%
Description : The seed rate of jute per ha
Last Answer : Ans.8-10 kg/ha
Description : The seed rate/ha of mungbean is
Last Answer : Ans.20-25 kg
Last Answer : Ans.12-15 kg
Description : The nursery area required for providing seedlings for transplanting 1 ha rice field
Last Answer : Ans.1000 m2 (1/10 ha)
Description : Growing of two or more crops simultaneously in alternate rows or otherwise in the same area, where there is significant amount of inter crop competition is called as
Last Answer : Ans.Intercropping
Description : Seed rate of lentil crop is —kg/ha a. 12 to 15 b. 20 to 25 c. 30 to 40 d. 45 to 50
Last Answer : c. 30 to 40
Description : Total number of cutting taken in oat crop are
Last Answer : Ans.2-3 cuttings
Description : Which is not an adverse effect of irrigation? (a) Irrigation changes cropping pattern. (b) Water intensive crops are grown in dry areas. (c) Salinization of soil (d) Increase in crop yield.
Last Answer : (c) Salinization of soil
Description : Salinization occurs when the irrigation water accumulated in the soil evaporates, leaving behind salts and minerals. What are the effects of salinization on the irrigated land? a. It greatly increases the crop ... c. It raises the water table d. It fills the air spaces in the soil with water
Last Answer : b. It may lead to crop yield loss
Description : Farmers in a particular region were concerned that pre-mature yellowing of leaves of a pulse crop might cause decrease in the yield. Which treatment could be most beneficial to obtain maximum ... yellow leaves and spraying the remaining green leaves with 2, 4, 5-trichlorophenoxy acetic acid
Last Answer : (a) Application of iron and magnesium to promote synthesis of chlorophyll
Description : Salt content in irrigation water evaluated as best quality
Last Answer : Ans.0.2 to 0.5 g/lt
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 : 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 : Horizontal flow of water in irrigation channels or through canals is known as
Last Answer : Ans.Seepage
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 : Pressure, applied in sprinkler irrigation system
Last Answer : Ans.>2.5 bar
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