In waterlogged rice field, atmospheric nitrogen can be fixed to the soil by

In waterlogged rice field, atmospheric nitrogen can be fixed to the soil by
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Azatobactor can fixes atmospheric nitrogen/ha to the soil.

Description : Azatobactor can fixes atmospheric nitrogen/ha to the soil.

Last Answer : Ans. 20-30 kg

Rhizobium fixes atmospheric nitrogen/ha to the soil

Description : Rhizobium fixes atmospheric nitrogen/ha to the soil

Last Answer : Ans. 50-100 kg

In which form is nitrogen absorbed by paddy under waterlogged condition ? (A) NH 4 ion (B) Nitrate ion (C) NO 2 ion (D) N 2

Description : In which form is nitrogen absorbed by paddy under waterlogged condition ? (A) NH 4 ion (B) Nitrate ion (C) NO 2 ion (D) N 2

Last Answer : (B) Nitrate ion

what kind of soil is treated with gypsum to make it suitable for cropping---? A. Alkaline (Answer) B. Acidic C. Waterlogged D. Soil with excessive clay content

Description : what kind of soil is treated with gypsum to make it suitable for cropping---? A. Alkaline (Answer) B. Acidic C. Waterlogged D. Soil with excessive clay content

Last Answer : A. Alkaline (Answer)

The soil borne disease of rice

Description : The soil borne disease of rice

Last Answer : Ans. Sheath blight of rice (Rhizoctonia oryzae)

Conversion of soil nitrate into gaseous nitrogen is

Description : Conversion of soil nitrate into gaseous nitrogen is

Last Answer : Ans. Denitrification

The soil deficient in nitrogen content

Description : The soil deficient in nitrogen content

Last Answer : Ans. Black soil

I have a waterlogged Nintendo DS...is there anything I can do?

Description : I have a waterlogged Nintendo DS...is there anything I can do?

Last Answer : I would take the battery out (it's screwed in on the back), and take a blow dryer to it on the cool setting. Also check for water that might have gotten in the battery slot. If you have a tri-wing ... in broken DS's. You might not get a lot of money for it, but at least you'll get something.

Which forest is grown in waterlogged areas

Description : Which forest is grown in waterlogged areas

Last Answer : Mangrove

A land is known as waterlogged (A) When the permanent wilting point is reached (B) When gravity drainage has ceased (C) Capillary fringe reaches the root zone of plants (D) None of the above

Description : A land is known as waterlogged (A) When the permanent wilting point is reached (B) When gravity drainage has ceased (C) Capillary fringe reaches the root zone of plants (D) None of the above

Last Answer : Answer: Option C

A field soil sample weighing 60 g, lost12 g on over dying. What is the moisture percent on dry weight basis?

Description : A field soil sample weighing 60 g, lost12 g on over dying. What is the moisture percent on dry weight basis?

Last Answer : Ans. 25%

6. Name the microorganisms which can fix atmospheric nitrogen in the soil. -Science

Description : 6. Name the microorganisms which can fix atmospheric nitrogen in the soil. -Science

Last Answer : Rhizobium is the answer

Name the microorganisms which can fix atmospheric nitrogen in the soil. -Biology

Description : Name the microorganisms which can fix atmospheric nitrogen in the soil. -Biology

Last Answer : Rhizobium, Clostridium and Azotobacter.

Azotobacter fixes atmospheric nitrogen in the soil by— (A) Symbiotically (B) Non-symbiotically (C) Both (A) and (B) (D) None of these

Description : Azotobacter fixes atmospheric nitrogen in the soil by— (A) Symbiotically (B) Non-symbiotically (C) Both (A) and (B) (D) None of these

Last Answer : (A) Symbiotically

If by radiation all nitrogenase enzyme are inactivated, then there will be no (a) fixation of nitrogen in legumes (b) fixation of atmospheric nitrogen (c) conversion from nitrate to nitrite in legumes (d) conversion from ammonium to nitrate in soil.

Description : If by radiation all nitrogenase enzyme are inactivated, then there will be no (a) fixation of nitrogen in legumes (b) fixation of atmospheric nitrogen (c) conversion from nitrate to nitrite in legumes (d) conversion from ammonium to nitrate in soil.

Last Answer : (a) fixation of nitrogen in legumes

Organisms, which fix atmospheric nitrogen in the soil, fall under the category of (a) bacteria (b) green algae (c) soil fungi (d) mosses.

Description : Organisms, which fix atmospheric nitrogen in the soil, fall under the category of (a) bacteria (b) green algae (c) soil fungi (d) mosses.

Last Answer : (a) bacteria

Atmospheric water is known as

Description : Atmospheric water is known as

Last Answer : Ans. Green water

Atmospheric pressure is measured by

Description : Atmospheric pressure is measured by

Last Answer : Ans. Barometer

If in the rice crop field, the leaves turn narrow, short, erect, and lemon yellowish and the entire field may appear yellowish, then the rice may be deficient of which nutrient? a. Calcium b. Potassium c. Nitrogen d. Phosphorus

Description : If in the rice crop field, the leaves turn narrow, short, erect, and lemon yellowish and the entire field may appear yellowish, then the rice may be deficient of which nutrient? a. Calcium b. Potassium c. Nitrogen d. Phosphorus

Last Answer : c. Nitrogen

______ helps in fixation of nitrogen in rice field in association with root of Cycas plant. a) rhizobium b)fungus c)cyano bacteria d)bacteria

Description : ______ helps in fixation of nitrogen in rice field in association with root of Cycas plant. a) rhizobium b)fungus c)cyano bacteria d)bacteria

Last Answer : c)cyano bacteria

Anaerobic environment in rice soil is responsible for gaseous loss of fertilizer nitrogen by

Description : Anaerobic environment in rice soil is responsible for gaseous loss of fertilizer nitrogen by

Last Answer : Ans.Denitrification

Montek disease of rice is caused by

Description : Montek disease of rice is caused by

Last Answer : Ans. Rice root nematode (2) Wheat and Barley

The main symptom of Tungro disease of rice

Description : The main symptom of Tungro disease of rice

Last Answer : Ans. Yellowing of leaves

Khaira disease of rice is controlled by spraying

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

Khaira disease of rice is caused by

Description : Khaira disease of rice is caused by

Last Answer : Ans. Zinc deficiency

Rice blast is effectively controlled by spraying of

Description : Rice blast is effectively controlled by spraying of

Last Answer : Ans. Edifenphos

The air borne disease of rice

Description : The air borne disease of rice

Last Answer : Ans. Rice Blast (Pyricularia oryzae)

The most destructive phase of the bacterial blight of rice is known as

Description : The most destructive phase of the bacterial blight of rice is known as

Last Answer : Ans. Kresek

Poor man’s disease of rice

Description : Poor man’s disease of rice

Last Answer : Ans. Bacterial leaf blight (Xanthomonas oryzae)

The brown spot of rice is

Description : The brown spot of rice is

Last Answer : Ans. Externally seed borne disease

The causal organism of brown spot of rice

Description : The causal organism of brown spot of rice

Last Answer : Ans. Helminthosporium oryzae

The scientific name of Rice moth

Description : The scientific name of Rice moth

Last Answer : Ans. Corcyra cephalonica DISEASES OF IMPORTANT CROPS (1) Rice

Clipping off the top of rice seedlings containing immature stages of insects reduces the carry over of infestation of

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

Which pest causes severe damage to rice panicle at night?

Description : Which pest causes severe damage to rice panicle at night?

Last Answer : Ans. Rice Army worm (Mythimna saparata)

The scientific name of Rice Gall Midge

Description : The scientific name of Rice Gall Midge

Last Answer : Ans. Orseolia oryzae

The rice variety which has no seed dormancy

Description : The rice variety which has no seed dormancy

Last Answer : Ans. I.R.-50

Isolation distance for self pollinated crops i.e. rice, wheat

Description : Isolation distance for self pollinated crops i.e. rice, wheat

Last Answer : Ans. 3 m

Hybrid variety of rice is developed by using

Description : Hybrid variety of rice is developed by using

Last Answer : Ans. GMS and CGMS line

Rice, Wheat, Buckwheat and Oat are

Description : Rice, Wheat, Buckwheat and Oat are

Last Answer : Ans. Self pollinated crops

Golden rice is rich in

Description : Golden rice is rich in

Last Answer : Ans. β-carotene

Rice protein is known as

Description : Rice protein is known as

Last Answer : Ans. Oryzein

Oldest N fertilizer, best for top dressing in rice

Description : Oldest N fertilizer, best for top dressing in rice

Last Answer : Ans. Ammonium sulphate (20.6%N and 24%S)

Which green house gas linked with rice crop?

Description : Which green house gas linked with rice crop?

Last Answer : Ans. Methane (CH4 )

Fixed cost is also known as

Description : Fixed cost is also known as

Last Answer : Ans. Overhead cost

Rent, interest on fixed capital, depreciation of building, taxes and wages of the permanent labourers constitute

Description : Rent, interest on fixed capital, depreciation of building, taxes and wages of the permanent labourers constitute

Last Answer : Ans. Fixed Costs

The costs, related to fixed resources

Description : The costs, related to fixed resources

Last Answer : Ans. Fixed Costs

Fixed Cost + Variable Cost is

Description : Fixed Cost + Variable Cost is

Last Answer : Ans. Total cost

MSP is fixed by

Description : MSP is fixed by

Last Answer : Ans. Commission of Agricultural Cost and Price (CACP)

Widely accepted fixed value of particle density is

Description : Widely accepted fixed value of particle density is

Last Answer : Ans. 2.65 g/cc

Non leguminous nitrogen fixing trees

Description : Non leguminous nitrogen fixing trees

Last Answer : Ans. Alnus nepalensis