Plant Nutrition & Manure-Fertilizer — Agri Master Mind
Which of the following is not correct -
- Ammonium sulphate nitrate - 12.1% sulphur
- SSP-12% SULPHUR
- KCL 47% Chlorine
- Magnesium sulphate - 24% Mn
- None of these
The tearm functional or metabolic nutrient is given by -
- Jv Libig
- Dj Nicholas
- DI Arnon
- Stout
- None of these
Which nitrifying bacteria oxidizes nitrate (No2-) to nitrate (No3-) in soils -
- Nitrosomonas
- Nitrospira
- Nitrobacter
- Nitrospira
- All of these
Highest P205 Content in which Organic manure
- Fish meal
- DAP
- Raw bone meal
- Steamed bone meal
- Blood meal
Which of the common nutritional disorder is not correct
- Brown heart :Turnip : Boron
- Blossom end rot:pepper :calcium
- Little leaf :Apple :zinc
- Both b and c
- None of these
Toxicity symptoms of iron appear on
- New leaf
- Terminal bud
- Lower leaf
- Both and b
- None of these
Nitrogen percentage is highest in which of the following fertilizer ?
- Urea
- DAP
- Anhydrous ammonia (NH3)
- Ammonium nitrate
- Urea ammonium nitrate
Which of the following is a straight fertilizer?
- Urea
- Ammonium sulphate
- Potassium chloride
- Both a and b
- All of these
Purple pigmentation in brassicas is due to
- Mo deficiency
- Phosphorus deficiency
- Cu deficiency
- Fe deficiency
- Zn deficiency
Due to water logging the availability of which nutrient is increased in rice field is
- Copper
- Iron
- Sulphur
- Manganese
- Methane
Softnose is due to excess of calcium and Nitrogen deficiency. It is a disorder of which crop
- Mango
- Banana
- Pomegranate
- Litchi
- Guava
Choose the not correct?
- Aerobic bacteria - Azatobacter
- Free living- Clostridium
- Anaerobic - Clostridium
- Rhizobium - anaerobic
- Both C and D
The formula of Boric acid is H3BO3 then the percentage of B present in Boric acid is
- 11
- 18
- 23
- 60
- None of these
Which fertilizer have high Acidic residual nature
- Urea
- Ammonium chloride
- Thiourea
- Ammonium sulphate
- Ammonium nitrate
Tip hooking and curled margin of leaves is due to calcium defficiency. Than Lis most useful for root growth & hormone is useful for root promoting.
- Phosphorus, NAA
- Potash, IBA
- Phosphorus, IBA
- Potash, NAA
- None of these
Fertilizers are generally inorganic substance but manures are organic substances. so tell me In which cake the highest percentage of nitrogen is found?
- Groundnut cake
- Neem cake
- Safflower cake ((undecorticated))
- Sunflower cake
- Linseed cake
Hidden hunger refers to a situation in which a crop needs more of a given nutrient yet has shown no deficiency symptoms. Hidden hunger is caused by which nutrient?
- Nitrogen
- Phosphorus
- Molybdenum
- Both a and c
- None of these
Choose the incorrect option (nutrient availability with ph)
- P->6
- Ca -<7
- Al - <6
- B - 6-6.5
- A,B
K2SO4 contains how much percentage of sulphur? It is used in sugarcane, potato crops.
- 44
- 48
- 60
- 16
- 17.5
Method of organic matter is calculated by multiplying the organic carbon values by a conversion factor of bemlen factor. OM =OC × bemlen factor, value of the bemlen factor
- 1.624
- 1.734
- 1.730
- 0 .724
- None of these
Arrange the following fertilisers according to their solubility?
- Urea > Ammonium nitrate> Ammonium sulphate
- Ammonium nitrate > Ammonium sulphate > urea
- Urea> Ammonium sulphate> Ammonium nitrate
- Ammonium sulphate> Ammonium nitrate > Urea
- Ammonium nitrate> urea > ammonium sulphate
Bray method is used for Phosphorus extracted in acidic soil. In which form Phosphorus is present in alkaline soil?
- H2PO4 -
- HPO4 -2
- PO4 -3
- HPO4-
- HPO3-
N% in urea 46% but Thiourea N% present
- 46.6%
- 16.6%
- 26.6%
- 36.8%
- 18.8%
O.M. content of Indian soils is low because of the high rate of decomposition under tropical and subtropical climate.wood is decomposed by :-
- Actinomycetes
- Bacteria
- Fungi
- Protozoa
- Algea
In new leaves The principal vein as well as the smaller vein are green. Interveinal portion is yellowish not tending towards whiteness is the deficiency symptoms of which of the following element :-
- N
- Mn
- Mg
- Fe
- Cu
Potassium is determined by Q. photometer method than Na is determined by which method
- Olsen method
- Flame photometer
- Alkaline permanent
- Zn road method
- None of these
Which of the following is not soluble in citrate P fertilizer
- Rock phosphate
- Basic slag
- Di calcium phosphate
- both a and b
- None of these
Crinkled leaf of cotton is due to -
- Iron deficiency
- Magnesium toxicity
- Manganese toxicity
- Copper deficiency
- Boron toxicity
Pollen grain sterility of wheat is due to -
- Toxicity of copper
- Deficiency of magnesium
- Toxicity of boron
- Deficiency of copper
- None of these
Choose the wrong statement.
- Khaira disease of rice is due to deficiency Zn.
- Little leaf of cotton is due to deficiency of Zn.
- White tip is caused due to deficiency of Cu.
- Little leaf of apple is due to deficiency of Mn.
- Starvation disease is due to deficiency of N
Leaching or drainage loss mostly occuered in which type of fertilizers...
- Nitrate fertilizer
- Non -nitrate fertilizer
- Slow release fertilizer
- Phosphate fertilizer
- None
Nitrate fertilizers are mostly used as slow release due to overcome the problem of leaching. The solubility of nitrogen fertilizer is reduced by
- Synthesizing compound
- Coating barrier
- Modified form of super granules
- Only A, B, C
- Only A, C
Rhizobium trifoli are used in berseem then rhizobium japonicum are used in...
- Pea
- Sunhemp
- Lentil
- Lucerne
- A, C,
Ammonium chloride is an ammoniacal fertilizer. what is correct about Nitro-chalk
- 26% N & Acidic residual
- 33% N & Acidic residual
- 21% N & Basic residual
- 16% N & Basic residual
- 26% N & netural in nature
Choose the incorrect about urea?
- Neutral residue
- Inorganic compound
- Concentration of biureat shouldn't exceed 0.25%
- Amide fertilizer
- None of these
There are 16 essential nutrients for plant and the criteria of essentiality for plant nutrients given in 1939. but the 17th essential element given by
- Arnon & stout 1939
- Arnon & stout 1987
- D. J. Nicholas 1987
- Brown et al 1987
- Liebig 1987
According to Arnon & stout there are 16 essential nutrients for plant. The elements which are required by plants in concentration less than 100 ppm are known as micro nutrients. Choose the correct Answer -
- Ca & B - oligo elements
- B & P-trace elements
- H&O-energy exchange
- Na - minor nutrient
- None of these
Jackpot Question ? name of the element which is mobile in plant but immobile in soil
- N
- Ca
- P
- B
- Both B & D
The lower leaves of the plant turn yellow due to lack of nitrogen. And the plant also get V-shaped chlorosis.
- Older leaves
- Bud
- Stem
- new leaves
- B & D both
Nitrogen percentage in fym is 0.5% and sunflower cake is 7.9% so what is the P % in groundnut cake
- 7.3%
- 5.5%
- 1.5%
- 1.0%
- 5.5%
Which oil cake is the most efficient nitrification inhibitor?
- Sesame coke
- Neem cake
- Castor cake
- Linseed cake
- Groundnut cake
What is a product of sea bird excrement known as? (As a manure, it is a highly effective fertilizer due to the high content of nitrogen, phosphate, and potassium, all key nutrients essential for plant growth.)
- Pelicon
- Guana
- Poudrette
- Tankage
- Blood meal
What is the physical composition of cattle manure which consists of dung and urine of cattle and the litter called as ?
- Compost
- Oll cakes
- Vermicompost
- Poudrette
- FYM
What is the process of converting organic matter into manure in a short time by accelerating fermentation process under controlled conditions called as ?
- Decomposition
- Fermentation
- Composting
- Decay
- Solubilisation
Where did India's first permanent manurial experiment was started during 1885 ?
- New Delhi
- Bhopal
- Kanpur
- Pusa
- hedrabad
Which of the following green manure crop is tolerant to drought and stands well under flood condition?
- Crotalaria
- Dh Crotalaria aincha
- S.rostrata
- Glyricidia
- Crotalaria
Different processes such as By product process, Gypsum Process and Neutralisation process is mainly associated with the synthesis of which fertilizer?
- SSP
- Urea
- CAN
- Ammonium nitrate
- Ammonium sulphate
Which is the earliest or oldest nitrogen tertilizer manufactured in India that is also the by-product of coal distillation?
- Urea
- Ammonium sulphate
- Anhydrous ammonia
- CAN
- Potassium Chloride
Which fertilizer supplies P, S, Ca that is recommended for neutral and alkali soil?
- SSP
- Bone meal
- Bood meal
- DAP
- DCP
What is the ratio of CaCO3 and NH4NO3 in CAN?
- 04:06
- 03:02
- 01:01
- 02:01
- 02:03
Which of the following are sac like structure provided by VAM fungi that are also known to store phosphorus as phospholipids?
- Arbuscules
- Capsule
- Sclerotia
- Vesicles
- Chinmiadia
Which of the following element deficiency causes reduced leaf size and shortening of internodes in brinjal and mango and frenching in citrus?
- Zn
- Bo
- Fe
- Mo
- Mg
Which nutrient element is not a constituent of chlorophyll but it helps in chlorophyll formation and encourages vegetative growth?
- Sulphur
- Iron
- Zinc
- Boron
- Both A and B
Which element is responsible for excess vegetative growth, delayed maturity and increase in succulence of the plant?
- Phosphorous deficiency
- Potassium deficiency
- Nitrogen deficiency
- Nitrogen toxicity
- Phosphorous toxicity
Which of the following fertilizer application is responsible for more than 90% of total contribution in volatilization due to fertilizers ?
- Ammonium sulfate
- Ammonium nitrate
- CAN
- MOP
- Urea
Which of the following secondary nutrient can be absorbed by the plant directly from atmosphere?
- Calcium
- Sulphur
- Magnesium-component of chlorophyll
- Nitrogen
- Potassium
Which scientist established the essentiality of boron?
- Priestly
- Fries
- Saussare
- Brayer
- Warrington
Which micronutrient increases osmotic pressure and is involved in water splitting complex. Deficiency of this nutrient is associated with wilted appearance of the foliage and stuffy roots with laterals showing branching?
- Mo
- B
- Zn
- Fe
- Cl
. Which nutrient element essentiality was established by Sommer & Lipman (1926). The available form of this nutrient is Sulphide, Carbonate and silicate and the maximum availability occurs in Acid Soil?
- Boron
- Zinc
- Iron
- Sulphur
- Molybdenum
Indicator Plant of Copper
- Maize
- Wheat
- Sorghum
- Potato
- Sunflower