Description : The optimum range of available soil moisture for convenient and effective ploughing
Last Answer : Ans.50-75%
Description : The moisture content of a soil at which plants permanently wilt and will not recover.
Last Answer : Ans.Permanent wilting point (PWP)
Description : The amount of soil moisture or water content held in soil after excess water has drained away is called
Last Answer : Ans.Field capacity (FC)
Description : Soil moisture content is determined by
Last Answer : Ans.Tensiometer (at 0.85 bar)
Description : The moisture content at harvesting stage of wheat
Last Answer : Ans.25-30% 3. Maize
Description : The critical stages for irrigation in Rapseed and mustard are
Last Answer : Ans.Rosette stage and Siliqua formation stage 16. Safflower
Description : Mustard crop planted at a spacing of 50 x 20 cm will have _______ plants/ha.
Last Answer : Ans.1,00,000
Description : Varieties of mustard are
Last Answer : Ans.Kranti, Varuna, Krishna, Pusa bold, Vardan, Rohni
Description : The recommended seed rate of mustard as main crop is
Last Answer : Ans.4-6 kg/ha
Description : The fruit of mustard is known as
Last Answer : Ans.Siliqua
Description : The botanical name of Brown/Indian mustard
Last Answer : Ans.Brassica juncea
Description : Maximum moisture content for safe storage in wheat seed is (a) 12 (b) 15 (c) 7 (d) 20
Last Answer : (a) 12
Description : Optimum temperature for sugarcane growth
Last Answer : Ans.21-27°C
Description : The optimum time of sowing of chickpea is?
Last Answer : Ans.15 th to 20 th October
Description : The optimum temperature range for sowing of wheat crop
Last Answer : Ans.20 to 25°C
Description : Optimum temperature for good rice crop growth is
Last Answer : Ans.30-320C
Description : The optimum temperature for better crop production is between
Last Answer : Ans.18 – 240 C
Description : Optimum depth of sowing for most of field crops
Last Answer : Ans.3-5 cm
Description : Optimum time for Rabi crop
Last Answer : Ans.Last week of October to first week of November
Description : Optimum time of sowing for Kharif crop
Last Answer : Ans.June-July
Description : The optimum moisture content in solids to be crushed/ground ranges from __________ percent. (A) 3 to 4 (B) 8 to 10 (C) 10 to 15 (D) 15 to 20
Last Answer : (A) 3 to 4
Description : For better strength and stability, the fine grained soils and coarse grained soils are compacted respectively as (A) Dry of OMC and wet of OMC (B) Wet of OMC and dry of OMC (C) Wet of OMC and wet of OMC (D) Dry of OMC and dry of OMC where OMC is optimum moisture content
Last Answer : Answer: Option B
Description : Pick up the correct statement from the following: (A) The dry density reduces by addition of water after attaining optimum moisture content (B) The line joining the peak of three moisture content graphs ... be compacted to a very high density as compared to fine grained soils (D) All the above
Last Answer : Answer: Option D
Description : The side slope of formation in embankment /cutting depends on a) Shearing strength of soil and its angle of repose* b) Angle of repose c) Bearing capacity of the soil d) Optimum moisture content of the soil
Last Answer : a) Shearing strength of soil and its angle of repose*
Description : The moisture deficit condition, results when the amount of water vapour available in the soil is not sufficient to meet the demand of potential evapo-transpiration
Last Answer : Ans.Drought
Description : A period in which the available soil moisture is enough to meet the evapotranspiration requirement of dry land crops
Last Answer : Ans.Length of growing period
Description : Which of the following is a method of indirect measurement of soil moisture?
Last Answer : Ans.Neutron moisture meter
Description : The artificial application of water to supply moisture essential to plant growth is termed as
Last Answer : Ans.Irrigation
Description : A system of tillage in which organic residues are not inverted into the soil and used as a protective cover against erosion and evaporational losses of soil moisture?
Last Answer : Ans.Conservation tillage or stubble mulch tillage
Description : Generally, the third row of crop is removed or growing of crop in pair row and the third row is escaped with an object to conserve the soil moisture in Dryland areas?
Last Answer : Ans.Paired row Crops
Description : Such crops are grown to conserve the soil moisture through their ground covering foliage?
Last Answer : Ans.Mulch Crops
Description : The permissible and normal limit of EC, RSC, SAR (meq 1 –1 ) and Boron content (ppm)
Last Answer : Ans.2–4, < 2.5, < 10 and 10,000 ha
Description : Salt content in irrigation water evaluated as best quality
Last Answer : Ans.0.2 to 0.5 g/lt
Description : The water content between Field capacity (-1/3 bar) to PWP (-15 bar) is called
Last Answer : Ans.Available water
Description : Nicotine content accumulates in which part of tobacco?
Last Answer : Ans.Leaves (IV) Cropping and Farming system
Description : Nicotine content (%) of tobacco is
Last Answer : Ans.0.5 to 5.5 (N. tabacum) and 3.5 to 8.0 (N. rustica)
Description : Protein content in potato is
Last Answer : Ans.1.6%
Description : The solanin content present in potato is
Last Answer : Ans.5 mg/100 gm of potato
Description : The sugar content/recovery is more in the cane produced at
Last Answer : Ans.Southern India
Description : The oil content in safflower
Last Answer : Ans.32-36%
Description : The protein and oil content in soybean seeds
Last Answer : Ans.40-42%, and 20-22%
Description : Sunflower has high quality edible oil content of
Last Answer : Ans.45-50%
Description : The oil and protein content of groundnut
Last Answer : Ans.45 and 26 %
Description : Alkaloid content present in sorghum leaves
Last Answer : Ans.HCN (Dhurin alkaloid)
Description : The protein content in wheat
Last Answer : Ans.8-11%
Description : The protein (Oryzein) content in paddy
Last Answer : Ans.6-7%
Description : The highest protein content is found in the seeds of a] Sunflower b] Soybean c] Groundnut d] Mustard
Last Answer : b] Soybean
Description : The optimum percentage of excess air for combustion depends upon the__________ of the fuel. (A) Type (solid, liquid or gaseous) (B) Calorific value (C) Sulphur content (D) Ignition temperature
Last Answer : (A) Type (solid, liquid or gaseous)
Description : The expression [Gs/(1 + Gs )] is used for (A) Dry density (B) Bulk density (C) Degree of saturation (D) Optimum water content
Last Answer : (A) Dry density
Description : Pick up the correct statement from the following: (A) A maximum value of dry density is obtained at optimum water content (B) At low value of water content most soils tend to be stiff (C) At high water content, the dry density decreases with an increase of water content (D) All the above