Description : pF value is zero of — a. Field capacity b. PWP c. Oven dry soil d. Saturated soil
Last Answer : d. Saturated soil
Description : The method in which field divided into number of strips by bunds of around 15 cm height is
Last Answer : Ans.Border strip method
Description : When water is held tightly as thin film around soil particles by adsorption forces and flows at gravity of > -31 bar, is called
Last Answer : Ans.Hygroscopic water
Description : The water, retained by the soil in capillary pores (micropores), against gravity (-1/3 to - 31 bar) by the force of surface tension
Last Answer : Ans.Capillary water
Description : The water, that moves downward freely under the influence of gravity (< 1/3 bar) beyond the root zone
Last Answer : Ans.Gravitational water
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 : Salt content in irrigation water evaluated as best quality
Last Answer : Ans.0.2 to 0.5 g/lt
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 : The moisture content of a soil at which plants permanently wilt and will not recover.
Last Answer : Ans.Permanent wilting point (PWP)
Description : Soil moisture content is determined by
Last Answer : Ans.Tensiometer (at 0.85 bar)
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 : Optimum moisture content for safe storage of mustard is
Last Answer : Ans.7-8%
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 moisture content at harvesting stage of wheat
Last Answer : Ans.25-30% 3. Maize
Description : The protein content in wheat
Last Answer : Ans.8-11%
Description : The protein (Oryzein) content in paddy
Last Answer : Ans.6-7%
Description : What is the unit of noise power of psophometer? A. pWp B. dBa C. dBm D. dBrn
Last Answer : A. pWp
Description : Unit of noise power of psophometer A. dBa B. pWp C. dBm D. dBmO
Last Answer : B. pWp
Description : In measuring noise in a voice channel at a 4 dB test point level, the meter reads -70 dBm (F1A weighted), convert the reading to pWp. A. 53 B. 93 C. 63 D. 83
Last Answer : B. 93
Description : The total depth of water (cm) required y a crop during its duration in the field
Last Answer : Ans.Delta
Description : The flow of excess water from the field after saturation of soil.
Last Answer : Ans.Runoff
Description : Two or more than two crops of different heights cultivated simultaneously on the same field is called as
Last Answer : Ans.Multistoreyed/Multitired/Multi-level cropping
Description : Such weeds, that are grown in cultivated field?
Last Answer : Ans.Obligate weeds
Description : One crop variety grown alone in pure stands at normal density in a field
Last Answer : Ans.Sole cropping
Description : Which bacterium is used for nitrogen fixation in sugarcane field?
Last Answer : Ans.Acetobactor diazotrophicus
Description : The most frost affected crop among all field crops?
Last Answer : Ans.Gram
Description : Grassy weed in barley field can be effectively controlled by
Last Answer : Ans.Both Isoproturon and 2,4-D
Description : Zinc and sulphates deficiency in wheat field reported in
Last Answer : Ans.Punjab
Description : Common herbicide used in rice crop field?
Last Answer : Ans.Anilophos and Butachlor.
Description : Most dominated weed species in rice field is
Last Answer : Ans.Echinochloa spp.
Description : Gas emitted from rice field is
Last Answer : Ans.CH4 (Methan).
Description : The nursery area required for providing seedlings for transplanting 1 ha rice field
Last Answer : Ans.1000 m2 (1/10 ha)
Description : Optimum depth of sowing for most of field crops
Last Answer : Ans.3-5 cm
Description : The Indian originated field crops are
Last Answer : Ans.Arhar, Mung, Urd, Cotton, Jute, Kodo, Kutki, Oat etc.
Description : The crops leave the field exhaustive after growing?
Last Answer : Ans.Exhaustive Crops
Description : The seed of succeeding crops is sown broadcast at 10 to 15 days before harvesting rice crop?
Last Answer : Ans.Paira/Utera Crops
Description : The ratio of the crop yield to the total amount of water used for irrigation is called, measured in kg/ha-cm is
Last Answer : Ans.Water use efficiency
Description : The period when water requirement is maximum is called as
Last Answer : Ans.Critical stages of water requirement
Description : Vertical movement of water or downward movement of water from different soil layer is called as
Last Answer : Ans.Percolation
Description : Detachment and transportation of top soil particles by wind and or by water is known as.
Last Answer : Ans.Soil erosion
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 : The chemicals used to check transpiration losses of water
Last Answer : Ans.Antitranspirents