Practice Agri economics Questions and Answers

• Oldest cultivated crops 
• Transpirational pull theory was given by
• The bulk density of soil was 1.40 Mg/m3 and particle density was 2.70 Mg/m3. Calculate pore space in soil.
• The non-protein part is Conjugated enzyme is
• Choose the correct option Statement I: Transpiration is the loss of water vapour from stomata, lenticel and cuticle and it occurs during day time Statement...
• Tryptophan is the precursor of
• Neutron scattering technique of soil water measurement is not suitable for
• What will be rotational intensity of Rice-wheat-ragi-fallow?
• Virtual water is
• Boron tolerant crop is
• Match list 1 with list II
• The saturated flow of water in the soil is maximum in ___ soils.
• Calculate the seed rate (kg/ha) of wheat, if crop is sown at spacing of 18 cm×3 cm and rest weight of seed is 44 gram
• Respiratory quotient of fat is
• Botanical name of lemon grass is
• Match list I with list II
• Easily reclaimable wasteland is suitable for
• Primitive and least controlled surface irrigation method is
• Seeds of many cultivated species belonging to __________ group
• Average rate of change in population is estimated by
• Discharge of irrigation water into an earthen canal is 2500 l/min. Inflow rate into the plot to be irrigated is 2000 l/min. What will be the conveyance eff...
• Choose the correct option Assertion (A): Chichorium intybus infest crops like lucerne and potato for moist, cool and shady habitat Reason (B): Chichorium i...
• Tree species suitable for alley cropping
• Albedo of dry black soil _____ than moist black soil
• Crop susceptible to water stress and water logging
• ______ weed forms a valuable biological fence
• LEPA is a modification of
• Crop growing season with AE < PE/4 
• Saline alkali soils have
• Francis formula is given by
• Choose the correct option Statement I. Drought do not occur in Assam, south Kerala and Eastern parts of West Benagl Statement II. Aridity and drought are d...
• What is the depth of irrigation, if an area of 2 ha is irrigated in 50 hrs with a discharge rate of 300 l/min?
• Sub soil application of herbicides kill
• Where is the Indian Sugarcane Research Institute situated?
• In brown manuring, weeds are knocked down by_________
• Shifting cultivation is practiced in which agro-climatic zones
• Replication in experimental design
• Efficiency with which irrigation water is conveyed from the source to field is indicated by
• In rice, maintenance of __ cm water depth is required in transplanting
• Optimum temperature for sowing wheat is