Which fertilizer is most beneficial for alkali soils?

Which fertilizer is most beneficial for alkali soils?
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 Ans. Ammonium sulphate
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Which fertilizer is most beneficial for alkali soils? (a) Urea (b) Ammonium sulphate (c) Calcium ammonium nitrate (d) Ammonium nitrate

Description : Which fertilizer is most beneficial for alkali soils? (a) Urea (b) Ammonium sulphate (c) Calcium ammonium nitrate (d) Ammonium nitrate

Last Answer : (c) Calcium ammonium nitrate

Use of gypsum is most beneficial in— (A) Saline soils (B) Alkali/Sodic soils (C) Acid soils (D) None of theseUse of gypsum is most beneficial in— (A) Saline soils (B) Alkali/Sodic soils (C) Acid soils (D) None of these

Description : Use of gypsum is most beneficial in— (A) Saline soils (B) Alkali/Sodic soils (C) Acid soils (D) None of these

Last Answer : (B) Alkali/Sodic soils

The saline – alkali soil is also known as

Description : The saline – alkali soil is also known as

Last Answer : Ans. Usar

Alkali soils are treated with gypsum to correct the deficiency of- (a) Sulphur (b) Calcium (c) Magnesium (d) Zinc

Description : Alkali soils are treated with gypsum to correct the deficiency of- (a) Sulphur (b) Calcium (c) Magnesium (d) Zinc

Last Answer : (b) Calcium

The problem of iron toxicity generally exists in— (A) Acid soils (B) Alkali soils (C) Saline soils(D) Saline-Alkali soils

Description : The problem of iron toxicity generally exists in— (A) Acid soils (B) Alkali soils (C) Saline soils(D) Saline-Alkali soils

Last Answer : (A) Acid soils

White alkali soils are — a. Acidic soil b. Sodic soil c. Saline soil d. Saline Sodic soil

Description : White alkali soils are — a. Acidic soil b. Sodic soil c. Saline soil d. Saline Sodic soil

Last Answer : c. Saline soil

In which soils, lime is used as soil amendment ? (A) Alkali (B) Acid (C) Saline (D) Saline-Alkali solis

Description : In which soils, lime is used as soil amendment ? (A) Alkali (B) Acid (C) Saline (D) Saline-Alkali solis

Last Answer : (B) Acid

Beneficial elements are

Description : Beneficial elements are

Last Answer : Ans. Ru, Sr, Ni, Cr and As

Farmers in a particular region were concerned that pre-mature yellowing of leaves of a pulse crop might cause decrease in the yield. Which treatment could be most beneficial to obtain maximum seed yield? (a) Application of iron and magnesium to promote synthesis of chlorophyll (b) Frequent irrigation of the crop (c) Treatment of the plants with cytokinins along with a small dose of nitrogenous fertilizer (d) Removal of all yellow leaves and spraying the remaining green leaves with 2, 4, 5-trichlorophenoxy acetic acid

Description : Farmers in a particular region were concerned that pre-mature yellowing of leaves of a pulse crop might cause decrease in the yield. Which treatment could be most beneficial to obtain maximum ... yellow leaves and spraying the remaining green leaves with 2, 4, 5-trichlorophenoxy acetic acid

Last Answer : (a) Application of iron and magnesium to promote synthesis of chlorophyll

A cabbage disease which is known to be more severe in acidic soils is

Description : A cabbage disease which is known to be more severe in acidic soils is

Last Answer : Ans. Black rot

The maximum phosphorus availability in most of the soils is in the pH range

Description : The maximum phosphorus availability in most of the soils is in the pH range

Last Answer : Ans. 6.0 to 6.5

Marshy soils are generally deficient of

Description : Marshy soils are generally deficient of

Last Answer : Ans. Zn

Peaty soils are generally deficient of

Description : Peaty soils are generally deficient of

Last Answer : Ans. Cu

Which micro-nutrient is most deficient in Indo-Gangatic alluvium soils?

Description : Which micro-nutrient is most deficient in Indo-Gangatic alluvium soils?

Last Answer : Ans. Zinc

The C/N ratio in the organic matter of furrow slice (upper 15 cm) of arable soils commonly ranges from

Description : The C/N ratio in the organic matter of furrow slice (upper 15 cm) of arable soils commonly ranges from

Last Answer : Ans. 8:1 to 15:1

Which mineral is a source of phosphorus and boron in soils?

Description : Which mineral is a source of phosphorus and boron in soils?

Last Answer : Ans. Apetite

The study of soils in relation to crop growth.

Description : The study of soils in relation to crop growth.

Last Answer : Ans. Edaphology

The application of fertilizer along with irrigation water

Description : The application of fertilizer along with irrigation water

Last Answer : Ans. Fertigation

Solution of fertilizer specially applied at initial growth of plants in pulses and vegetable crops

Description : Solution of fertilizer specially applied at initial growth of plants in pulses and vegetable crops

Last Answer : Ans. Starter solution

Fertilizer application in lowland paddy is done at

Description : Fertilizer application in lowland paddy is done at

Last Answer : Ans. Reduced zone

Maximum amount of fertilizer is applied in

Description : Maximum amount of fertilizer is applied in

Last Answer : Ans. Potato

Potassic fertilizer suitable for fertigation

Description : Potassic fertilizer suitable for fertigation

Last Answer : Ans. Potassium Nitrate (44%K2O)

Potassic fertilizer containing highest amount of K2O

Description : Potassic fertilizer containing highest amount of K2O

Last Answer : Ans. Muriate of potash/KCl (60%K2O)

The phosphatic fertilizer suitable for acid soil

Description : The phosphatic fertilizer suitable for acid soil

Last Answer : Ans. Bone meal (23-30%P2O5 )

Least hygroscopic fertilizer

Description : Least hygroscopic fertilizer

Last Answer : Ans. DAP (18%N and 46%P2O5 )

The fertilizer which supplies 3 essential plant nutrients

Description : The fertilizer which supplies 3 essential plant nutrients

Last Answer : Ans. SSP

Oldest commercially available fertilizer

Description : Oldest commercially available fertilizer

Last Answer : Ans. SSP (16-18%P2O5 )

Which one is considered as organic fertilizer?

Description : Which one is considered as organic fertilizer?

Last Answer : Ans. Urea

Amid form of N fertilizer

Description : Amid form of N fertilizer

Last Answer : Ans. Urea

Cheapest N fertilizer, suitable for foliar spray

Description : Cheapest N fertilizer, suitable for foliar spray

Last Answer : Ans. Urea (46%N)

Neutral fertilizer, also called Kishan khad

Description : Neutral fertilizer, also called Kishan khad

Last Answer : Ans. Calcium Ammonium Nitrate (26%N)

Explosive fertilizer is

Description : Explosive fertilizer is

Last Answer : Ans. Ammoniun nitrate (33%N)

Most concentrated nitrogenous fertilizer

Description : Most concentrated nitrogenous fertilizer

Last Answer : Ans. Anhydrous ammonia (81%N)

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)

The fertilizer which destroys soil aggregates

Description : The fertilizer which destroys soil aggregates

Last Answer : Ans. Sodium nitrate

The relative percentage of N2 , P2O5 and K2O” in a fertilizer

Description : The relative percentage of N2 , P2O5 and K2O” in a fertilizer

Last Answer : Ans. Fertilizer ratio

Fertilizer which contains only one primary or major nutrient, e.g. Urea.

Description : Fertilizer which contains only one primary or major nutrient, e.g. Urea.

Last Answer : Ans. Straight fertilizers

Split application of fertilizer is useful in — soils. a. Clay b. Loamy c. Sandy d. None of these

Description : Split application of fertilizer is useful in — soils. a. Clay b. Loamy c. Sandy d. None of these

Last Answer : c. Sandy

What is the oxidation number of alkali metals ?

Description : What is the oxidation number of alkali metals ?

Last Answer : Oxidation number of alkali metals + 1.

What is 'acid and alkali' according to scientist Lewis ?

Description : What is 'acid and alkali' according to scientist Lewis ?

Last Answer : Lewis, the scientist who advocated the electronic doctrine of acid and alkali. According to his theory, the compound that receives electrons is called acid. And the compound that rejects electrons is called alkali.

What are the alkali metals ?

Description : What are the alkali metals ?

Last Answer : The remaining 6 elements of hydrogen in group 1 of the periodic table .

What is the nature of acid deficient alkali ?

Description : What is the nature of acid deficient alkali ?

Last Answer : The stronger the acid , the more proton it tends to drop. Then the tendency of the acid-binding base to bind to protons is very low. That is, it is mildly alkaline. Conversely, mild acids are ... it is highly alkaline. Thus the acid-binding base is mild and the mild acid-binding base is intense.

Why Copper Oxide Is Not Alkali ?

Description : Why Copper Oxide Is Not Alkali ?

Last Answer : Substances that soothe the acid and destroy its characteristic properties are therefore alkaline. Alkalis are those substances which dissolve in water. Copper oxide only soothes the acid and eliminates its characteristic ... , but it does not dissolve in water. So copper oxide is not an alkali.

Why is NH3 called Lewis Alkali ?

Description : Why is NH3 called Lewis Alkali ?

Last Answer : According to the Lewis theory of acid-base, all the compounds that can give electrons to protons are called bases. The compounds containing mainly free electrons behave like Lewis alkalis. The nitrogen of NH 3 ... it can donate a pair of electrons to protons. That is why it is called Lewis alkali.

What is the most electrically positive and active metal of the alkali metal period ?

Description : What is the most electrically positive and active metal of the alkali metal period ?

Last Answer : Alkali metal is the most electrically positive and active metal of all time .

What is alkali ?

Description : What is alkali ?

Last Answer : The compounds that react with acids to produce salts and water are called bases.

What is the difference between alkali and alkali ?

Description : What is the difference between alkali and alkali ?

Last Answer : Alkalis are a class of chemical compounds that are capable of absorbing hydrogen ions. Such as metal oxides or hydroxides are alkalis. Water-soluble alkalis that provide hydroxide ions ( OH−) are called alkalis ... is why it is said that not all alkalis are alkalis , but all alkalis are alkalis.

Name a good alkali-free soap ? I have skin diseases so I want to stay clean by using alkali free soap instead of normal soap.

Description : Name a good alkali-free soap ? I have skin diseases so I want to stay clean by using alkali free soap instead of normal soap.

Last Answer : You can use Dettol soap. Dettol is much more alkali free. It will not be harmful for your skin disease.

What is the color of acute alkali ?

Description : What is the color of acute alkali ?

Last Answer : The color of intense alkali is purple.

What is the color of weak alkali ?

Description : What is the color of weak alkali ?

Last Answer : The color of weak alkali is blue.