Description : The best fertilizer for top dressing in rice?
Last Answer : Ans.Ammonium sulphate
Description : Oldest commercially available fertilizer
Last Answer : Ans. SSP (16-18%P2O5 )
Description : Amid form of N fertilizer
Last Answer : Ans. Urea
Description : Cheapest N fertilizer, suitable for foliar spray
Last Answer : Ans. Urea (46%N)
Description : Clipping off the top of rice seedlings containing immature stages of insects reduces the carry over of infestation of
Last Answer : Ans. Rice hispa (2) Wheat
Description : Widely used N-fertilizer in rice is (a) Ammonium sulphate (b) Calcium sulphate (c) Urea (d) DAP
Last Answer : (a) Ammonium sulphate
Description : Which fertilizer is most beneficial for alkali soils?
Last Answer : Ans. Ammonium sulphate
Description : The application of fertilizer along with irrigation water
Last Answer : Ans. Fertigation
Description : Solution of fertilizer specially applied at initial growth of plants in pulses and vegetable crops
Last Answer : Ans. Starter solution
Description : Fertilizer application in lowland paddy is done at
Last Answer : Ans. Reduced zone
Description : Maximum amount of fertilizer is applied in
Last Answer : Ans. Potato
Description : Potassic fertilizer suitable for fertigation
Last Answer : Ans. Potassium Nitrate (44%K2O)
Description : Potassic fertilizer containing highest amount of K2O
Last Answer : Ans. Muriate of potash/KCl (60%K2O)
Description : The phosphatic fertilizer suitable for acid soil
Last Answer : Ans. Bone meal (23-30%P2O5 )
Description : Least hygroscopic fertilizer
Last Answer : Ans. DAP (18%N and 46%P2O5 )
Description : The fertilizer which supplies 3 essential plant nutrients
Last Answer : Ans. SSP
Description : Which one is considered as organic fertilizer?
Description : Neutral fertilizer, also called Kishan khad
Last Answer : Ans. Calcium Ammonium Nitrate (26%N)
Description : Explosive fertilizer is
Last Answer : Ans. Ammoniun nitrate (33%N)
Description : Most concentrated nitrogenous fertilizer
Last Answer : Ans. Anhydrous ammonia (81%N)
Description : The fertilizer which destroys soil aggregates
Last Answer : Ans. Sodium nitrate
Description : The relative percentage of N2 , P2O5 and K2O” in a fertilizer
Last Answer : Ans. Fertilizer ratio
Description : Fertilizer which contains only one primary or major nutrient, e.g. Urea.
Last Answer : Ans. Straight fertilizers
Description : The oldest known agro forestry practice
Last Answer : Ans. Shifting cultivation
Description : The oldest form of teaching
Last Answer : Ans. Method demonstration
Description : The oldest selection method of crop improvement
Last Answer : Ans. Mass selection
Description : Montek disease of rice is caused by
Last Answer : Ans. Rice root nematode (2) Wheat and Barley
Description : The main symptom of Tungro disease of rice
Last Answer : Ans. Yellowing of leaves
Description : Khaira disease of rice is controlled by spraying
Last Answer : Ans. Zinc sulphate (5 kg)+ lime (2.5 kg/ha) in 10 days nursery
Description : Khaira disease of rice is caused by
Last Answer : Ans. Zinc deficiency
Description : The soil borne disease of rice
Last Answer : Ans. Sheath blight of rice (Rhizoctonia oryzae)
Description : Rice blast is effectively controlled by spraying of
Last Answer : Ans. Edifenphos
Description : The air borne disease of rice
Last Answer : Ans. Rice Blast (Pyricularia oryzae)
Description : The most destructive phase of the bacterial blight of rice is known as
Last Answer : Ans. Kresek
Description : Poor man’s disease of rice
Last Answer : Ans. Bacterial leaf blight (Xanthomonas oryzae)
Description : The brown spot of rice is
Last Answer : Ans. Externally seed borne disease
Description : The causal organism of brown spot of rice
Last Answer : Ans. Helminthosporium oryzae
Description : The scientific name of Rice moth
Last Answer : Ans. Corcyra cephalonica DISEASES OF IMPORTANT CROPS (1) Rice
Description : Which pest causes severe damage to rice panicle at night?
Last Answer : Ans. Rice Army worm (Mythimna saparata)
Description : The scientific name of Rice Gall Midge
Last Answer : Ans. Orseolia oryzae
Description : The rice variety which has no seed dormancy
Last Answer : Ans. I.R.-50
Description : Isolation distance for self pollinated crops i.e. rice, wheat
Last Answer : Ans. 3 m
Description : Hybrid variety of rice is developed by using
Last Answer : Ans. GMS and CGMS line
Description : Rice, Wheat, Buckwheat and Oat are
Last Answer : Ans. Self pollinated crops
Description : Golden rice is rich in
Last Answer : Ans. β-carotene
Description : Rice protein is known as
Last Answer : Ans. Oryzein
Description : In waterlogged rice field, atmospheric nitrogen can be fixed to the soil by
Last Answer : Ans. BGA
Description : Which green house gas linked with rice crop?
Last Answer : Ans. Methane (CH4 )
Description : Anaerobic environment in rice soil is responsible for gaseous loss of fertilizer nitrogen by
Last Answer : Ans.Denitrification
Description : In low land rice, fertilizer is applied in
Last Answer : Ans.Reduced zone only