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 : 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 moisture content of a soil at which plants permanently wilt and will not recover.
Last Answer : Ans.Permanent wilting point (PWP)
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 : Soil moisture content is determined by
Last Answer : Ans.Tensiometer (at 0.85 bar)
Description : A system of tillage in which organic residues are not inverted into the soil and used as a protective cover against erosion and evaporational losses of soil moisture?
Last Answer : Ans.Conservation tillage or stubble mulch tillage
Description : The optimum range of available soil moisture for convenient and effective ploughing
Last Answer : Ans.50-75%
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 : Such crops are grown to conserve the soil moisture through their ground covering foliage?
Last Answer : Ans.Mulch Crops
Description : Volumetric method of water measurement are
Last Answer : Ans.Furrows, Sprinklers and Drippers
Description : The artificial application of water to supply moisture essential to plant growth is termed as
Last Answer : Ans.Irrigation
Description : Optimum moisture content for safe storage of mustard is
Last Answer : Ans.7-8%
Description : The moisture content at harvesting stage of wheat
Last Answer : Ans.25-30% 3. Maize
Description : Explain differential pressure measurement method as indirect method for level measurement.
Last Answer : Differential pressure measurement as indirect method for level measurement: Closed vessel: Differential pressure (DP) transmitters used for liquid level application measure hydrostatic pressure head. In a closed ... side of the DP and the low pressure side is vented to atmosphere.
Description : The most popular mechanical measure to control soil erosion and conserve is
Last Answer : Ans.Contour Bunding
Description : About 50-75% of soil erosion by wind is carried out by
Last Answer : Ans.Saltation
Description : What are the types of soil movement in the process of wind erosion?
Last Answer : Ans.Saltation, Suspension and Surface creep
Description : Detachment and transportation of top soil particles by wind and or by water is known as.
Last Answer : Ans.Soil erosion
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 : 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 : Soil crusting reduces
Last Answer : Ans.Infiltration
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 : The flow of excess water from the field after saturation of soil.
Last Answer : Ans.Runoff
Description : Vertical movement of water or downward movement of water from different soil layer is called as
Last Answer : Ans.Percolation
Description : First entry of water from the upper layer of soil is known as
Description : The cropping system beneficial to prevent soil erosion due to winds is
Last Answer : Ans.Strip cropping
Description : Which of the following rotations is likely to leave soil richer in organic matter?
Last Answer : Ans.Maize – Oats - Clovers
Description : Potato crop favours the soil for best growth
Last Answer : Ans.Sandy loam soil
Description : The best soil for cultivation of cotton
Last Answer : Ans.Black cotton soil
Description : Most suitable soil for groundnut cultivation
Description : Best soil for cultivation of chickpea?
Last Answer : Ans.Light alluvial soil (a loose and well aerated soil)
Description : Rice varieties suitable for Saline-alkaline soil are
Last Answer : Ans.CSR-10, CSR-13, CSR-27
Description : Anaerobic environment in rice soil is responsible for gaseous loss of fertilizer nitrogen by
Last Answer : Ans.Denitrification
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 : The tillage operation mainly aims to break, open and turn the soil
Last Answer : Ans.Primary/tillage
Description : The good physical condition of soil after tillage is
Last Answer : Ans.Tilth
Description : The mechanical manipulation of the soil is k/s as
Last Answer : Ans.Tillage
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 : A branch of agricultural science which deals with principles and practices of soil, water and crop management.
Last Answer : Ans.Agronomy
Description : Which irrigation method has highest irrigation efficiency?
Last Answer : Ans.Drip method
Description : Drip method is suitable for
Last Answer : Ans.Wider spaced orchard crops, sugarcane and for saline soils
Description : Micro irrigation method, in which water is applied as drop form through emitters
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
Last Answer : Ans.Sprinkler method
Description : Micro irrigation method, in which water is applied as spray
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