Harrows are used for

1 Answer

Answer :

Ans.Preparation of seedbed, destroy weeds

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Description : Where can I buy Harrows Patio Furniture?

Last Answer : Harrows has a website where you can buy this patio furniture. Their website is Harrows.com. You can also buy Harrow furniture off of Amazon.com. Wal-Mart also sells Harrow furniture.

Description : Notched disc blades on disc harrows are provided to a) Enhance penetration b) Improve balancing of gangs c) Save on steel d) Reduce draft

Last Answer : ans a

Description : The required spacing between the disc on the gang bolt ranges from 15 to 25 cm for light duty and 25 to 30cm for heavy duty harrows is b. 25 to 35cm c. 25 to 40cm d. None of the above.

Last Answer :    <!-- [endif] -->Ans - a. 25 to 30cm

Description : Tractor drawn disc harrows have concave discs of size varying from… diameter. a. 55-90cm b. 60-100cm d. None of the above

Last Answer : Ans - c. 35-70cm

Description : The spacing between the discs in the gang bolt ranges cm for lighy duty and cm heavy -duty harrows i. 15-25 and 25-30 c) 40-45 and 45-50 ii. 20-30 and 30-40. d) 15-25 and 32-36

Last Answer : 15-25 and 25-30

Description : 0ff-set disc harrows are best suitable to work for a) primary implement b) breaking clods c) orchard cultivation d) surface finishing

Last Answer : c) orchard cultivation

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