Recent questions tagged agronomy

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

Description : The detrimental effect of one of higher plants on other higher plants is known as

Last Answer : Ans.Allelopathy

Description : What is the Critical Period of Crop-Weed Competition for sugarcane?

Last Answer : Ans.30-120 DAS

Description : What is the Critical Period of Crop-Weed Competition for Upland rice condition?

Last Answer : Ans.Entire period of crop growth

Description : What is the Critical Period of Crop-Weed Competition for transplanted rice?

Last Answer : Ans.30-45 DAS

Description : Which of the following stages of a crop are more prone to weed competition?

Last Answer : Ans.Germination to seedling