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Practice Agri economics Questions and Answers

The main objective of integrated weed management is
Tembotrione has been registered in India for its use in
Match List I with List II Match the mode of action in List I with the herbicides in List II List I List II Mode of action Herbicide A...
What will be the weed control efficiency (%). if the number of weeds in clodinafop treated plot is 190/ m² and that in a control plot is 361/m²? ...
Match List I with List II Match the weed in List I with their bio-control agent in List II List I List II Weed Bio-control agent A. Or...
Given below are two statements Statement I: In case of pre-emergence herbicides less droplet size is effective and for post emergence herbicides bigger...
A phenomenon in degradation process wherein an intermediate product of herbicides proves more phytotoxic than the parent compound
Match List I with List II Match the herbicides in List I with their rate of application in List II List I List II Herbicide Rate of applica...
An 80 gm NaOH is dissolved in 500 ml of water. What is molarity of the solution
Given below are two statements Statement I: C3 weeds such as Avena fatua, Phalaris minor and Chenopodium album are generally more competitive than C4 w...
The amount of basalin 45 EC for a plot of 50 m x 40 m at recommended rate of fluchloralin at 0.75 kg/ha is
Calculate the concentration of a solution if 200 gm herbicide mixture is mixed in 400 litre of water.
Match List I with List II Match the crop in List I with the registered herbicide in List II List I List II Crop Herbicide A. Soybean ...
Statement I: Saline soils are called White alkali soils Statement II: Saline soils contains salts capable of undergoing alkaline hydrolysis ...
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R Assertion A : Temperature above 25°C reduces th...
Match List I with List II List I List II Irrigation project State A. Koyna I. Himachal Pradesh B. Idukki II. Maharashtra ...
The maximum permissible slope per cent for furrow irrigation (short, near horizontal furrows) is
Given below are two statements Statement I: A surface irrigation event is composed of four phases namely, advance phase. storage phase, depletion phase...
What is the efficiency (%) of sprinkler irrigation?
How much area can be irrigated with a flow rate of 30 liters per second for 10 hours a day when irrigation requirement of the 100 days duration crop is 50 ...
Device used for measuring water flow in pipes
Which stages are the most sensitive to water deficit in groundnut?
The ratio of average depth of water stored in root zone soil depth during irrigation to the water diverted from the reservoir is known as
The correct order of crops with respect to their water requirement
Water requirement satisfaction index (WRSI) can be computed using the information on seasonal actual evapotranspiration (AET) and seasonal crop water requi...
Match List I with List II The crop coefficient (Kc) for major crops at harvest List I List II Crop Kc value A. Maize I. 0.50-0.60 ...
Actual evapotranspiration equals maximum evaporation (ETO) when A. Soil mixture not constraint B. Other factors not constraint C. Both A and B D. A but...
A wheat crop grown on two hectare area produced 10 ton grain and required 5 irrigations of 6 cm each, find out its field water use efficiency
Essentiality of zinc in plant was discovered in 1926 by
Brays No. 1 reagent consists of mixture of
The primary raw material used for commercial manufacturing of Muriate of Potash fertilizer
Mitscherlich's equation is expressed by the equation
Among the followings, nitrification inhibitor is
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R Assertion A: Nickel is essential for the functi...
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R Assertion A: The synergistic positive effects ...
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R Assertion A: Integrated use of phosphatic fert...
Given below are two statements Statement I: Acid sulphate soil is formed due to formation of Jarosite. Statement II: Acid sulphate soil is found in...
Given below are two statements Statement I: Use efficiency of fertilizer NPK can be improved by following integrated nutrient management (INM). State...
Match List I with List II List I List II A. Sulphur I. Reddish colour on green leaves or stem appearing on older leaves B. Phosphorus ...
Match List I with List II List I List II A. Bray I. Law of diminishing return B. Mitscherlich II. Per cent yield concept C.O.W...

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