Description : The tillage implement, most suitable for rice cultivation is
Last Answer : Ans.Power tiller
Description : The tillage operation mainly aims to break, open and turn the soil
Last Answer : Ans.Primary/tillage
Description : Conservation tillage tends to encourage
Last Answer : Ans.Higher microbial population
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 word ‘Zero tillage’ was termed by
Last Answer : Ans.Jethro Tull
Description : The tillage referred as no tillage in which the crop is planted in unprepared soil
Last Answer : Ans.Zero tillage
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 : 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 tillage operation, done to create a good seedbed for proper seeding/planting
Last Answer : Ans.Secondary tillage
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 good physical condition of soil after tillage is
Last Answer : Ans.Tilth
Description : Subsoil plough is useful for — a. for deep ploughing b. to break hard pan of soil c. Shallow ploughin
Last Answer : b. to break hard pan of soil
Description : The type furrow opener used in zero tillage implement is: a Reversible type b Inverted type c Shoe type d Hoe type
Last Answer : b Inverted type
Description : Harrow is a tillage implement that cuts the soil to shallow depth for smoothening and pulverizing the soil as well as to cut weeds and to mix the materials with the soil. a. Primary. c. Tertiary b. Secondary. d. None
Last Answer : Secondary
Description : Harrow is secondary tillage implement used to cut soil to shallow depth for _ and A) smoothening. C) none of the above B) pulverizing. D) both
Last Answer : both
Description : Depth of working of a tillage implement is controlled by a) Furrow Wheel b) Gauge Wheel c) Cage Wheel d) Star Wheel
Last Answer : d) Star Wheel
Description : A Tillage implement moving at a constant velocity is subjected to a) Force of gravity b) Soil force (resistance) c) Pull of mower d) All of the above
Last Answer : d) All of the above
Description : To break the tuber dormancy, the tuber should be treated with
Last Answer : Ans.1%thiourea + 1 ppm GA3 for 1 hour
Description : The transfer of minerals from top soil to subsoil through soil-water is called? (1) Percolation (2) Conduction (3) Leaching (4) Transpiration
Last Answer : (3) Leaching Explanation: Leaching refers to the loss of water-soluble plant nutrients from the soil, due to rain and irrigation. As water from rain, flooding, or other sources seeps ... the underground water supply. Mineral nutrients lost from the soil system become unavailable for plant uptake.
Last Answer : (3) Leaching Explanation: Leaching refers to the loss of water-soluble plant nutrients from the soil, due to rain and irrigation.
Description : The hp required to operate subsoil plough a) 10-20hp b) 20-30hp c) 60-100hp d) 140-200hp
Last Answer : 60-100hp
Description : Piping in a soil mass is a) Erosion of subsoil by the high velocities of flow of water through it when such velocities exceed a certain limit* b) Caused due to very low exit gradient c) ... connected pores d) Due to loss of the strength of cohesion less soil because of upward flow of of water
Last Answer : a) Erosion of subsoil by the high velocities of flow of water through it when such velocities exceed a certain limit*
Last Answer : Leaching
Description : The full form of LEISA is
Last Answer : Ans.Low External Input Sustainable Agriculture
Description : The crop grown on degraded land for improvement is called
Last Answer : Ans.Conservation crop
Description : Bench Terracing is practiced on
Last Answer : Ans.Steep slopping (16-33%) and undulated land
Description : Contour Bunding is adopted where
Last Answer : Ans.Land slope (6 %) and in areas where average annual rainfall is < 600 mm.
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 Bright Red coloured triangle in herbicide shows
Last Answer : Ans.Extremely toxic group (IX) Soil and Water Conservation
Description : Which of the following causes more wastage of herbicide by drift?
Last Answer : Ans.Ultra-low volume sprayer
Description : BIPOLARIS is used to control weed
Last Answer : Ans.Johnson grass
Description : First commercial Bio-herbicide is
Last Answer : Ans.DEVINE
Description : The most dominant aquatic weed Eichhornia crassipes is controlled by
Last Answer : Ans.Neochetina bruchi
Description : Parthenium hysteroforus is biologically controlled by
Last Answer : Ans.Zygrogramma bicolarata
Description : First biologically controlled weed is
Last Answer : Ans.Lantana camara
Description : Which of the following is a indicator plant for the bioassay of Atrazine?
Last Answer : Ans.Soybean
Description : Which of the following weed having herbicide resistance?
Last Answer : Ans.Avena fatua
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 : Herbicides are not used in dust formulation because of
Last Answer : Ans.Drifting hazards
Description : Which is a contact selective herbicide?
Last Answer : Ans.Propanil
Description : Which herbicide shows Knock down effect?
Last Answer : Ans.Paraquate, Diquate and Glyphosate
Description : Paraquate is a
Last Answer : Ans.Contact herbicide
Description : What is the trade name of Fenoxa prop-ethyl?
Last Answer : Ans.Whip super
Description : What is the trade name of Pendimethalin?
Last Answer : Ans.Stomp
Description : What is the trade name of Nitrofen?
Last Answer : Ans.Toke E-25