Description : P F refers to
Last Answer : Ans.Logarithm of soil moisture tension
Description : What do you understand by the term ‘Jhuming’? -SST 10th
Last Answer : It is a primitive method of subsistence agriculture in which a patch of forest is cleared and crops are grown. When the fertility of soil is lost after two or three years the cultivators move on to another patch. This way large forests are destroyed.
Description : Where is Jhuming practised in India? -SST 10th
Last Answer : It is practised in India in backward forested area of Assam where the rainfall is abundant.
Description : What are the disadvantages of Jhuming? -SST 10th
Last Answer : It is a health hazard and yields small amount of crop.
Description : The system or shifting cultivation in the north eastern region of India is called (a) Jhuming (b) Bewar (c) Taungya (d) Ladang
Last Answer : Ans: (a)
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
Description : What is the trade name of Glyphosate?
Last Answer : Ans.Roundup
Description : What is the trade name of Ethoxy sulfuron?
Last Answer : Ans.Sunrise
Description : What is the trade name of Chlorimuron 10% + Metasulfuron-methyl 10%?
Last Answer : Ans.Almix
Description : What is the trade name of Chlorimuron-ethyl?
Last Answer : Ans.Classic, Kloben
Description : What is the trade name of Alachlor?
Last Answer : Ans.Lasso
Description : Glyphosate and Anilophos belong to the chemical group
Last Answer : Ans.Organophosphorus
Description : Alachlor, Butachlor and Propanil belong to the chemical group
Last Answer : Ans.Amide
Description : Atazine and Simazine belong to the chemical group
Last Answer : Ans.Triazines
Description : Fluchloralin and Pendimethalin belong to the chemical group
Last Answer : Ans.Dinitroanilines
Description : 2, 4-D belongs to the chemical group
Last Answer : Ans.Chloro phenoxy compound
Description : The example of POST herbicides are
Last Answer : Ans.2, 4-D, Diquat, Paraquat, Isoproturon, Fenoxaprop-ethyl, Sulfosulfuron, Chlorimuronethyl etc.
Description : The herbicides applied 30-40 DAS are comes under
Last Answer : Ans.Post-emergence herbicides.
Description : The example of PRE herbicides are
Last Answer : Ans.Simazine, Atrazin, Alachlor, Butachlor, Nitrofen, Pendimethalin etc.
Description : The herbicides applied 1-4 days after sowing are comes under
Last Answer : Ans.Pre-emergence herbicides.
Description : The example of PPI herbicides are
Last Answer : Ans.Fluchloralin, Alachlor, Trifluralin etc.
Description : The herbicides applied 1 day before sowing/planting or just are comes under
Last Answer : Ans.Pre-plant incorporated (PPI) herbicides.
Description : Diquat, Paraquat, Oxadiargyl and Glyphosate etc. belongs to the selectivity group
Last Answer : Ans.Non-selective herbicides
Description : 2, 4-D, Simazine, Atrazine and Fluchloralin belongs to the selectivity group
Last Answer : Ans.Selective herbicides
Description : Stale seed bed technique of weed control is a
Last Answer : Ans.Cultural method
Description : The practice of flushing out germinable weed seeds before crop sowing is called
Last Answer : Ans.Stale seed bed