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

1 Answer

Answer :

 Ans. 8:1 to 15:1

Related questions

Description : The C : N ratio of arable soil commonly ranges from : (A) 6 : 1 to 7: 1 (B) 18: 1 to 19: 1 (C) 8 : 1 to 15:1 (D) 3 : 1 to 4: 1

Last Answer : (C) 8 : 1 to 15:1

Description : turns the furrow slice used in stubble soils. a) Stubble type b) Slat type c) Share d) Jointer

Last Answer :    <!-- [endif] -->Stubble type

Description : A low mold board with gradual twist that completely invert the furrow slice with a minimum of breakup, thus covering vegetative matter thoroughly is called a. Stubble bottom b. sod bottom c. salted mould board d. general purpose bottom

Last Answer : b. sod bottom

Description : A long jow mould board with a gradual twist (spiral) that completely inverts the furrow slice with a minimum of break up thus covering vegetative matter thoroughly is called a. Sod bottom b. Stubble bottom c. General bottom d. Slat bottom

Last Answer : a. Sod bottom

Description : The horizon absent in arable land

Last Answer : Ans. ‘O’ horizon

Description : Select the function of Moldboard plough. a) Lifting the soil. c) Pulverizing the soil b) Cutting the furrow slice d) All of the above

Last Answer :  All of the above

Description : Functions of mold board plough a. Cutting the furrow slice. c) body to yoke b. Increase the depth of operation. d) length of the beam

Last Answer : Cutting the furrow slice.

Description : is the function of mold board plough. a) Cutting the furrow slice b) Lifting the soil c) Pulverizing the soil d) All of the above

Last Answer : All of the above

Description : Disc type furrow openers are especially suited to A. Stoney and root infested soils B. Poorly prepared bed in trashy soil C. Hard and sticky soil with considerable amount of debris and mulch D. All of the above

Last Answer : C. Hard and sticky soil with considerable amount of debris and mulch

Description : Shoe type furrow openers especially suited to A. Stoney and root infested fields B. Poorly prepared bed in trashy soils C. Hard and sricky soil with considerable amount of mulch and debris D. All of the above

Last Answer : B. Poorly prepared bed in trashy soils

Description : The organic matter rich compost made by use of earthworms

Last Answer : Ans. Vermicompost

Description : A mass of rotted organic matter made from waste

Last Answer : Ans. Compost

Description : The process of decomposition of organic matter is termed as

Last Answer : Ans. Humification

Description : The soil having more than 30% organic matter is placed in

Last Answer : Ans. Histosol

Description : Organic matter content in Indian soil is

Last Answer : Ans. 5 %

Description : Which of the following is incorrect? (a) Red soils are rich in iron (b) Black soils are rich in phosphorus nitrogen and organic matter (c) Alluvial soils are rich in potash but poor in phosphorus (d) Red soils are suitable for cultivation of pulses and coarse grains

Last Answer : Ans: (b)

Description : Plants usually do not grow well in poorly drained soils because: a. Oxygen content is low in poorly drained soils b. The organic matter content of poorly drained soils is too high c. Poorly drained soils warm too quickly in spring d. Plant roots become engorged with water in poorly drained soils

Last Answer : Oxygen content is low in poorly drained soils

Description : Tarai soils are high in:? a Iron b Sodium c Organic matter d Calcium

Last Answer : c Organic matter

Description : Gleization occurs due to — a. Due to poor drainage b. High organic matter c. Removal of sodium ions d. Mixing of the soils

Last Answer : a. Due to poor drainage

Description : In context to agriculture what is Fallow Land ? a. Fallowing is the process to make the soil rich in phosphorus b. Agricultural land which is added with organic matter to reduce its ... . Agriculture field which is left unplanted so that the soil's natural nutrient balance can be restored

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Description : In context to agriculture what is Fallow Land ? a. Fallowing is the process to make the soil rich in phosphorus b. Agricultural land which is added with organic matter to reduce its ... Agriculture field which is left unplanted so that the soil's natural nutrient balance can be restored.

Last Answer : d. Agriculture field which is left unplanted so that the soil’s natural nutrient balance can be restored

Description : In context to agriculture what is Fallow Land ? a. Fallowing is the process to make the soil rich in phosphorus b. Agricultural land which is added with organic matter to reduce its ... Agriculture field which is left unplanted so that the soil's natural nutrient balance can be restored.

Last Answer : d. Agriculture field which is left unplanted so that the soil’s natural nutrient balance can be restored.

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Description : Probability ranges from

Last Answer : Ans. 0 to 1

Description : SD is ranges from

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Description : The required spacing between the disc on the gang bolt ranges from 15 to 25 cm for light duty and 25 to 30cm for heavy duty harrows is b. 25 to 35cm c. 25 to 40cm d. None of the above.

Last Answer :    <!-- [endif] -->Ans - a. 25 to 30cm

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Last Answer : Ans. Zinc

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

Last Answer : Ans. Apetite

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Last Answer : Ans. Edaphology

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