Description : The tillage aims to reduce tillage to the minimum necessary for ensuring a good seed-bed, rapid germination, satisfactory stands and favourable growing condition?
Last Answer : Ans.Minimum tillage
Description : The tillage implement used to break subsoil is
Last Answer : Ans.Chisel plough
Description : The tillage operation, done to create a good seedbed for proper seeding/planting
Last Answer : Ans.Secondary tillage
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 tillage referred as no tillage in which the crop is planted in unprepared soil
Last Answer : Ans.Zero tillage
Description : The good physical condition of soil after tillage is
Last Answer : Ans.Tilth
Description : The tillage implement, most suitable for rice cultivation is
Last Answer : Ans.Power tiller
Description : Conservation tillage tends to encourage
Last Answer : Ans.Higher microbial population
Description : The word ‘Zero tillage’ was termed by
Last Answer : Ans.Jethro Tull
Description : Conventional tillage involves
Last Answer : Ans.Minimum tillage, Zero tillage and Conservation tillage.
Description : The secondary tillage implements are
Last Answer : Ans.Cultivator, Harrows, Hoe, Planker, Roller etc.
Description : The primary tillage implements are
Last Answer : Ans.Deshi plough, MB plough, Ridge plough, Disk plough etc.
Description : Who is the father of tillage?
Description : The ideal moisture content for the soil primary tillage operation a) Upper plastic limit of the soil b) Lower plastic limit c) Wilting Point d) All of the above
Last Answer : a) Upper plastic limit of the soil
Description : Crops, which protect another crops from trespassing of animals or restrict the speed of wind and are mainly grown as border
Last Answer : Ans.Border/Guard Crops
Description : To break the tuber dormancy, the tuber should be treated with
Last Answer : Ans.1%thiourea + 1 ppm GA3 for 1 hour
Description : Interculture operation in groundnut crop should be avoided at
Last Answer : Ans.Pegging stage
Description : It is employed on mulchers designed mainly for secondary Tillage. a. ‗L‘ type blade c) straight blade b. Twisted blade d) dics blade
Last Answer : straight blade
Description : The most common water flow measuring device which measures water flow in open conduit is
Last Answer : Ans.Parshall/Venturi flume
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 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 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 : 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 : Which of the following is a method of indirect measurement of soil moisture?
Last Answer : Ans.Neutron moisture meter
Description : Soil moisture content is determined by
Last Answer : Ans.Tensiometer (at 0.85 bar)
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 : An ideal condition of soil for crop growth?
Last Answer : Ans.Seed-bed
Description : The optimum range of available soil moisture for convenient and effective ploughing
Last Answer : Ans.50-75%
Description : The mechanical manipulation of the soil is k/s as
Last Answer : Ans.Tillage
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