Lowland applied nitrification inhibitors

Lowland applied nitrification inhibitors
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 Ans. Oxamide (31%N) and Thiourea (36.8%N)
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Fertilizer application in lowland paddy is done at

Description : Fertilizer application in lowland paddy is done at

Last Answer : Ans. Reduced zone

The crop oilcake, which has highest nitrification rate

Description : The crop oilcake, which has highest nitrification rate

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Example of growth inhibitors

Description : Example of growth inhibitors

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Give any three differences between Eastern Coastal lowland and Western Coastal lowland. -Geography

Description : Give any three differences between Eastern Coastal lowland and Western Coastal lowland. -Geography

Last Answer : Western Coastal Lowland 1. Placed between the Western Ghats and the Arabian sea. 2. Narrow lowland 64 averaging km. 3. Many small and quick streams run off the plain and cannot form deltas. 4 ... number of lagoons are present. 5. Does not pass through coasts and hence not many ports are found.

What conditions are required for growing lowland rice? -SST 10th

Description : What conditions are required for growing lowland rice? -SST 10th

Last Answer : The lowland rice is grown in flat lowland areas, where it requires a lot of irrigation during sowing and harvesting period. A good quantity of this variety of rice is grown by transplantation method. ... and is harvested in October-November. Most of the rice grown in India is the lowland rice.

In the coastal lowland of Kerala two crops of rice is grown per year because of: [IAS 2003] 1. high temperature in winter 2. adequate rain throughout the year 3. adequate irrigation facility 4. presence of water retentive clayey loam soil (a) Only 1 (b) 2 and 3 (c) 1 and 2 (d) 1, 3, and 4

Description : In the coastal lowland of Kerala two crops of rice is grown per year because of: [IAS 2003] 1. high temperature in winter 2. adequate rain throughout the year 3. adequate irrigation facility 4. presence of water retentive clayey loam soil (a) Only 1 (b) 2 and 3 (c) 1 and 2 (d) 1, 3, and 4

Last Answer : Ans: (c)

Irrigation method suitable for lowland rice and jute

Description : Irrigation method suitable for lowland rice and jute

Last Answer : Ans.Flooding

. A common weed of lowland rice a). Phalaris minor b). Avena fatua c). Monochoria vginalis d). Lolium temulentum

Description : . A common weed of lowland rice a). Phalaris minor b). Avena fatua c). Monochoria vginalis d). Lolium temulentum

Last Answer : c). Monochoria vginalis

A lowland rice sedge a). Cyperus iria b). Cyperus difformis c). Cyperus esculentus d). All

Description : A lowland rice sedge a). Cyperus iria b). Cyperus difformis c). Cyperus esculentus d). All

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Microbial degradation of nitrates into atmospheric nitrogen is known as- (1) Ammonification (2) Nitrification (3) Denitrification (4) Putrefaction

Description : Microbial degradation of nitrates into atmospheric nitrogen is known as- (1) Ammonification (2) Nitrification (3) Denitrification (4) Putrefaction

Last Answer : (3) Denitrification Explanation: Denitrification is the biological conversion of nitrate to nitrogen gas, nitric oxide or nitrous oxide. It refers to nitrate reduction by bacterial species such as ... (N2). These bacteria use nitrate as an electron acceptor instead of oxygen during respiration.

(3) Conversion of ammonia to nitrites Explanation: Nitrification is the biological oxidation of ammonia or ammonium to nitrite followed by the oxidation of the nitrite to nitrate. The oxidation of ammonia into nitrite is performed by two groups of organisms, ammonia-oxidizing bacteria AOB) and ammonia-oxidizing archaea (AOA). Nitrification is an important step in the nitrogen cycle in soil.

Description : (3) Conversion of ammonia to nitrites Explanation: Nitrification is the biological oxidation of ammonia or ammonium to nitrite followed by the oxidation of the nitrite to nitrate. The oxidation of ammonia ... -oxidizing archaea (AOA). Nitrification is an important step in the nitrogen cycle in soil.

Last Answer : Acid rain is caused due to pollution of atmosphere by – (1) oxides of carbon and nitrogen (2) oxides of nitrogen and sulphur (3) oxides of nitrogen and phosphorous (4) None of these

Nitrification is the biological process of converting – (1) N9 into nitrate (2) N2 into nitrite (3) Ammonia into nitrite (4) Ammonia into N2

Description : Nitrification is the biological process of converting – (1) N9 into nitrate (2) N2 into nitrite (3) Ammonia into nitrite (4) Ammonia into N2

Last Answer : (3) Ammonia into nitrite Explanation: Nitrification is the biological oxidation of ammonia or ammonium to nitrite followed by the oxidation of the nitrite to nitrate. The transformation of ammonia ... limiting step of nitrification. Nitrification is an important step in the nitrogen cycle in soil.

The renewal of NO3 involves release of ___________ from organic fraction of the soil and its rapid nitrification: a. NO2 b. NH4 c. N d. NO

Description : The renewal of NO3 involves release of ___________ from organic fraction of the soil and its rapid nitrification: a. NO2 b. NH4 c. N d. NO

Last Answer : NH4

Which of the following factors does not affect the nitrification ? (A) Air (B) Seed (C) Temperature (D) Moisture

Description : Which of the following factors does not affect the nitrification ? (A) Air (B) Seed (C) Temperature (D) Moisture

Last Answer : (B) Seed

Study the cycle shown below and select the option which gives correct words for all the four blanks A, B, C and D(a) Nitrification Ammoni- Animals Plants fication (b) Denitrification Ammoni- Plants Animals fication (c) Nitrification Denitri- Animals Plants fication (d) Denitrification Nitrification Plants Animals

Description : Study the cycle shown below and select the option which gives correct words for all the four blanks A, B, C and D (a) Nitrification Ammoni- Animals Plants fication (b) ... Plants Animals fication (c) Nitrification Denitri- Animals Plants fication (d) Denitrification Nitrification Plants Animals

Last Answer : (b) Denitrification Ammoni- Plants Animals fication

Thiobacillus is a group of bacteria helpful in carrying out (a) denitrification (b) nitrogen fixation (c) chemoautotrophic fixation (d) nitrification.

Description : Thiobacillus is a group of bacteria helpful in carrying out (a) denitrification (b) nitrogen fixation (c) chemoautotrophic fixation (d) nitrification.

Last Answer : (a) denitrification

Bacterial aerobic oxidation of polluted water in biological oxidation ponds is done to purify it. Presence of bacteria helps in (A) Coagulation and flocculation of colloids (B) Oxidation of carbonaceous matter to CO2 (C) Nitrification or oxidation of ammonia derived from breakdown of nitrogenous organic matter to the nitrite and eventually to the nitrate (D) All (A), (B) and (C)

Description : Bacterial aerobic oxidation of polluted water in biological oxidation ponds is done to purify it. Presence of bacteria helps in (A) Coagulation and flocculation of colloids (B) Oxidation of carbonaceous matter to CO2 (C) ... to the nitrite and eventually to the nitrate (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

Which is the optimum PH for nitrification? (Agriculture MCQ) a. 8.5 b. 9.5 c. 10 d. 7.5

Description : Which is the optimum PH for nitrification? (Agriculture MCQ) a. 8.5 b. 9.5 c. 10 d. 7.5

Last Answer : a. 8.5

Which is the optimum PH for nitrification? (Agriculture MCQ) a. 8.5 b. 9.5 c. 10 d. 7.5

Description : Which is the optimum PH for nitrification? (Agriculture MCQ) a. 8.5 b. 9.5 c. 10 d. 7.5

Last Answer : a. 8.5

Nitrogen oxidation (nitrification)refers to the A- conversion of ammonium ions into nitrates through the activities of certain bacteria B- changing of atmospheric nitrogen (N2) to nitrogen compounds C- sulfur is oxidized to the sulfate form through ThiobacillusbacteriaD- none of the above

Description : Nitrogen oxidation (nitrification)refers to the A- conversion of ammonium ions into nitrates through the activities of certain bacteria B- changing of atmospheric nitrogen (N2) to nitrogen compounds C- sulfur is oxidized to the sulfate form through Thiobacillusbacteria D- none of the above

Last Answer : conversion of ammonium ions into nitrates through the activities of certain bacteria

Microbial degradation of nitrates into atmospheric nitrogen is known as : (1) Ammonification (2) Nitrification (3) Denitrification (4) Putrefaction

Description : Microbial degradation of nitrates into atmospheric nitrogen is known as : (1) Ammonification (2) Nitrification (3) Denitrification (4) Putrefaction

Last Answer : Denitrification

Which of the process is known as nitrification? (1) Reaction of Nitrogen Monoxide with oxygen to form nitric acid (2) Reaction of nitrogen dioxide with water to form nitric acid (3) Conversion of ammonia to nitrites (4) Conversion of nitrite to nitric oxide

Description : Which of the process is known as nitrification? (1) Reaction of Nitrogen Monoxide with oxygen to form nitric acid (2) Reaction of nitrogen dioxide with water to form nitric acid (3) Conversion of ammonia to nitrites (4) Conversion of nitrite to nitric oxide

Last Answer : Conversion of ammonia to nitrites

Nitrification is the biological process of converting (1) N2 into nitrate (2) N2 into nitrite (3) Ammonia into nitrite (4) Ammonia into N2

Description : Nitrification is the biological process of converting (1) N2 into nitrate (2) N2 into nitrite (3) Ammonia into nitrite (4) Ammonia into N2

Last Answer : Ammonia into nitrite

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