Practice Agri economics Questions and Answers

• What is the unit of SAR (sodium adsorption ratio)?
• An area having LGP 1 to 74 days is 
• A person got his soil sample analysed and received a test report mentioning soil pH 8.3; ESP 12% and electrical conductivity 5.2 ds m-1. What type of soil ...
• Repeated application of herbicide in an area leads to
• Sustainability indicators are
• SSNM relies on ___ R of ______ management 
• Water analysis of a bore well reports as under CO32- : 1.2 mel-1 HCO32- : 4.0 mel-1 Ca2+: 2.6 mel-1 Mg2+: 1.5 mel-1 Calculate the RSC (residual sodium carb...
• Constraints in the adoption of INM 
• In irrigated salt-affected soils, under raised bed planting system where should the seedlings be planted?
• choose the correct option Statement I: Sodic soils cannot be reclaimed with hydrotechincal method of reclamation Statement II: Hydro technical reclamation ...
• Given below are two statements: Statement I Conservation agriculture involves no-tillage or drastically reduced tillage, but biological tillage is allow...
• Design suitable for one of the factor need larger plot and another smaller plot is
• Book entitled “Plowman’s Folly: A Second Look” was written by
• Which of the following statements regarding shifting cultivation is NOT true?
• The principal objective of alley cropping is
• ______ is not used to reclaim acid soils. CaCO 3 CaCl2 Gypsum Ca(OH)2 ...
• Which among the following soil resource indicators gives the highest priority for evaluating agricultural sustainability?
• __________ is an example Bio drainage 
• Which of the following does not represent the use of rice husk?
• Runoff in alfisols is ___________ than vertisols
• Wheat crop is irrigated with 6cm depth of irrigation water with IW/CPE ratio of 0.6.  Calculate the CPE at the time of irrigation.
• Weed used to poison drinking water of the enemies during war time
• Reclamation disease caused by copper deficiency occurs in cereal plants grown on recently reclaimed acidic soil
• _______ is known as Quality element
• Improved quality of fruits under moderate water stress is attributed to
• Which of the following statements are correct about “Jhum cultivation” It is the primitive form of agriculture practiced in North eastern states of In...
• Saline soils are reclaimed by
• Assartage system is related with
• Crop responding well to transplanting 
• Pre emergence herbicides are applied by
• Re-sowing is the management option under
• Calculate the amount of atrazine (50% WP) in kg/ha, if the rate of application is 1.0 kg ai/ha.
• Essentiality of which element is discovered by Arnon and Stout
• Topping in tobacco
• Element mobile in plant but immobile in soil is
• Choose the correct option Assertion (A): Black soils have swelling and shrinking characteristics Reason(R): Black soils are rich in montmorillonite which h...
• Black heart of potato is due to
• Beaushening is practiced
• In Pneumatic Knapsack sprayer tank is filled
• Triticale, a man made cereal is a cross between