Description : The soil having more than 30% organic matter is placed in
Last Answer : Ans. Histosol
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 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
Description : For the cultivation of Tobacco the soil should be rich in – (1) calcareous matter (2) nitrogen (3) organic content (4) potash
Last Answer : (4) potash Explanation: Tobacco is a crop that needs significant amounts of potassium. It is a fast growing plant between 80 and 150 days, with a high daily potassium requirement. Potash is the ... such as plant remains, and this was the major historical source for it before the industrial era.
Description : Which of the following is not a factor affecting Soil Water Availability? a) A Soil Texture b) B Nature of crop grown c) C Organic Matter d) D Salt content E Soil depth
Last Answer : b) B Nature of crop grown
Description : For the cultivation of Tobacco the soil should be rich in (1) calcareous matter (2) nitrogen (3) organic content (4) potash
Last Answer : potash
Description : The soil deficient in nitrogen content
Last Answer : Ans. Black soil
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 : Chlorination of water does not remove (A) Ammonia content (B) B.O.D. (C) Organic matter content (D) Dissolved oxygen
Last Answer : (D) Dissolved oxygen
Description : The most deficient micronutrient in the Indian soil is
Last Answer : Ans. Zn
Description : Which fertilizer should be used if soil organic matter is low ?
Last Answer : If the soil organic matter is low then compost manure should be used.
Description : What are the organic matter present in the soil ?
Last Answer : Organic matter present in the soil is: Leech , earthworm refers to such animals or their feces.
Description : Which of the following rotations is likely to leave soil richer in organic matter?
Last Answer : Ans.Maize – Oats - Clovers
Description : The organic matter present in soil is known collectively as – (1) Hydrocarbons (2) Podsols (3) Humus (4) Colloids
Last Answer : (3) Humus Explanation: The organic matter present in soil is known collectively as humus. Humus is fully decomposed and finely divided organic matter. Dune is a hill or ridge of sand accumulated and sorted by wind action.
Description : he soil which is found in the areas having heavy rainfall and high humidity, contains large quantity of organic matter and heavy and black in colour – a. Black soil b. Peat soil c. Forest soil d. Laterite soil
Last Answer : b. Peat soil
Description : Pheretima and its close relatives derive nourishment from (a) sugarcane roots (b) decaying fallen leaves and soil organic matter (c) soil insects (d) small pieces of fresh fallen leaves of maize, etc.
Last Answer : (b) decaying fallen leaves and soil organic matter
Description : The soil contains —- % organic matter a. 25 b. 58 c. 5 d. 65
Last Answer : c. 5
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
Description : Which one of the following statements is true? (A) Clays are more porous than sands (B) Pressure of organic matter in a soil decreases the bearing capacity of the soil (C) Aluminous cement is used for foundations in soils with chemical deposits (D) All the above
Last Answer : (D) All the above
Description : Consider the following statements: 1. Organic matter decreases the permeability of a soil. 2. Entrapped air decreases the permeability of a soil. Which of these statements are correct? (a) 1 only (b) 2 only (c) Both 1 &2 (d) Neither 1 nor 2
Last Answer : (c) Both 1 &2
Description : The animals feed upon organic matter mixed with the soil are (a) Herbivores (b) Saprozoic (c) Mixotrophic (d) Detritus
Last Answer : (d) Detritus
Description : High quality crop soil requires humus as a major component. Which of the following best describes the composition of humus w) fine sand particles x) decaying organic matter y) mineral like clay matter z) chemical fertilizers
Last Answer : ANSWER: X -- DECAYING ORGANIC MATTER
Description : The organic matter present in soil is known collectively as (1) Hydrocarbons (2)Podsols (3) Humus (4)Colloids
Last Answer : Humus
Description : Organic compounds which inhibit or modify any physiological process
Last Answer : Ans. Plant Growth Regulators (PGRs)
Description : Which one is considered as organic fertilizer?
Last Answer : Ans. Urea
Description : The instrument used to know pectin content
Last Answer : Ans. Jellimeter
Description : NPK content of poultry manure
Last Answer : Ans. 3.023:2.63:1.4%
Description : NPK content of town compost
Last Answer : Ans. 1.4:1:1.4%
Description : NPK content of farm compost
Last Answer : Ans. 0.5:0.15:0.5%
Description : Well decomposed FYM contains N, P and K content
Last Answer : Ans. 0.5:0.2:0.5%
Description : Large portions of the earth with similar climate, soil, plant and animal life community is known as
Last Answer : Ans. Biosphere
Description : The soil, air and seed borne disease of wheat
Last Answer : Ans. Kernal bunt (Neovossia indica)
Description : The soil borne disease of rice
Last Answer : Ans. Sheath blight of rice (Rhizoctonia oryzae)
Description : Nutrients absorbed by plants from soil solution are carried upward through the
Last Answer : Ans. Xylem
Description : The cause of most of the gaseous interchange in soil
Last Answer : Ans. Diffusion
Description : Which of the plant species can be suggested on saline soil?
Last Answer : Ans. Haloxylon salicornium (II) Biochemistry
Description : The crops prefer acidic soil
Last Answer : Ans. Rice, tea and potato
Description : Method used for the determination of lime requirement of an acid soil is
Last Answer : Ans. Shoemaker’s method
Description : The saline – alkali soil is also known as
Last Answer : Ans. Usar
Description : Alkaline soil is also called as
Last Answer : Ans. Solanetz and Black alkali
Description : Saline soil is also called as
Last Answer : Ans. Solan chalk and White alkali
Description : The soil, which have 8.5 indicates soil is
Last Answer : Ans. Alkaline
Description : Immobile element in soil is
Last Answer : Ans. Phosphorus
Description : In waterlogged rice field, atmospheric nitrogen can be fixed to the soil by
Last Answer : Ans. BGA
Description : Conversion of soil nitrate into gaseous nitrogen is
Last Answer : Ans. Denitrification