Description : A system of rotating crops with legume or grass pasture to improve soil structure and fertility is called (a) strip farming (b) shifting agriculture (c) ley farming (d) contour farming.
Last Answer : (c) ley farming
Description : Well decomposed FYM contains N, P and K content
Last Answer : Ans. 0.5:0.2:0.5%
Description : In our country, large patches of forest are being cleared for cultivation of crops . The environmental impact of such practice lead to a) soil erosion b)soil conservation c)soil pollution d)soil fertility
Last Answer : a) soil erosion
Description : Fresh sewage is generally A. Alkaline B. Acidic C. Highly decomposed D. A source of objectionable odour
Last Answer : ANS: A
Description : What factors improve soil fertility?
Last Answer : humus, manure, and nitrogen ::::: apex
Description : Why does farmers need to artificially improve soil fertility?
Last Answer : Need answer
Description : The design in which fertility gradient is in two way direction
Last Answer : Ans. Latin Square Design (LSD)
Description : When fertility gradient in one direction, the statistical design to be used
Last Answer : Ans. RBD
Description : The smell of soil after fresh shower is due to
Last Answer : Ans. Actinomycetes.
Description : A farming practice influencing weed floristic diversity a). Fertility manipulation b). Crop rotation c). Intercropping d). All e). None
Last Answer : d). All
Description : A method does not provide opportunity to practice selection for superior plant till F5 generations
Last Answer : Ans. Single seed descent method
Description : Soil structure proving less porosity in soil
Last Answer : Ans. Platy
Description : The best agricultural soil structure is
Last Answer : Ans. Crumby/Spheroidal
Description : The weathering mineral, having most stable soil structure
Last Answer : Ans. Kaolinite
Description : Concentration of a nutrient in plant tissue where growth of the plant is slowed down
Last Answer : Ans. Critical concentration
Description : The oldest known agro forestry practice
Last Answer : Ans. Shifting cultivation
Description : The most important Agroforestry practice is
Last Answer : Ans. Acacia leucophloea + Cenchrus setigerus
Description : A demonstration practice used to compare two technologies i.e. old and new
Last Answer : Ans. Result demonstration
Description : A single practice demonstration used to show method of sowing
Last Answer : Ans. Method demonstration
Description : Q1. Compare the use of manure and fertilizers in maintaining soil fertility. -Science
Last Answer : Manure improves the soil quality with added nutrients. Manure provides extra organic matter called humus to the soil and therefore increasing the water retention capacity of sandy soils and drainage in clayey ... do not get oxygen properly. The nature of soil changes either to basic or acidic.
Description : What is the role of microbes in soil fertility? -Biology
Last Answer : answer:
Description : What is the role of bacteria in soil fertility? -Biology
Description : How can fertility of soil be improved? -General Knowledge
Last Answer : The answer is 'By addingliving earthworms'
Description : How to increase soil fertility ?
Last Answer : There is no substitute for using organic manure to increase soil fertility.
Description : $ Crop rotation decreasess the soil fertility. ! High concentration of minerals is required as fertilizers.
Last Answer : $ Crop rotation decreasess the soil fertility. ! High concentration of minerals is required as fertilizers. A. ... D. If both As and R are wrong.
Description : Soil fertility is depleted due to
Last Answer : Soil fertility is depleted due to A. Pan breaking B. Terracing C. Intensive agriculture D. Contour bunding
Description : How does cyclone decrease the fertility of the soil in the coastal areas?
Last Answer : It floods the land with saline water
Description : What effect when some farmer use too much chemical fertilizers to replenish soil fertility?
Last Answer : Feel Free to Answer
Description : How is the fertility of soil renewed and conserved?
Last Answer : Techniques for improved soil conservation include crop rotation, cover crops, conservation tillage and planted windbreaks, affect both erosion and fertility.
Description : How does soil pH affect soil fertility?
Last Answer : soil fertility increases soil PH
Description : Rotation of crops means (a) Same crop is grown again and again (b) Two crops are grown simultaneously to increase productivity of the soil (c) Different crops are grown in succession to maintain the soil fertility (d) None of the above
Last Answer : Ans: (c)
Description : Fertility of soil can be improved by : [IAS 1989] (a) adding living earthworms (b) adding dead earthworms (c) removing dead earthworms (d) removing living earthworms and adding dead earthworms
Last Answer : Ans: (a)
Description : Which one of the following is the correct sequence of crop rotation with a view to increasing soil fertility? (a) Wheat, Potato, Barley, Pea (b) Potato, Wheat, Pea, Barley (c) Barley, Pea, Wheat, Potato (d) Pea, Barley, Wheat, Potato
Description : Which of the following methods does not help in conserving soil fertility and moisture? (1) Contour ploughing (2) Dry farming (3) Strip cropping (4) Shifting agriculture
Last Answer : (4) Shifting agriculture Explanation: Shifting cultivation is an agricultural system in which plots of land are cultivated temporarily, then abandoned. It is also known as slash and burn ... reclaimed by natural vegetation, or sometimes converted to a different long-term cyclical farming practice.
Description : Which one of the following practices is adopted for restoring the fertility of soil? (1) Weeding (2) Levelling (3) (2) sweet jowar (4) (4) Harrowing
Last Answer : (2) sweet jowar Explanation: Fallowing, in agriculture, is the mode of preparing land, by ploughing it a considerable time before it is ploughed for seed. As a result of fallowing, parts ... and thus reciprocally ameliorated; so that they may afford more uniform nourishment to the roots of plants
Description : Rotation of crops means – (1) growing of different crops in succession to maintain soil fertility (2) some crops are grown again and again (3) two or more crops are grown simultaneously to increase productivity (4) None of the above
Last Answer : (1) growing of different crops in succession to maintain soil fertility Explanation: Crop rotation is the practice of growing a series of dissimilar/different types of crops in the same area ... and can also improve soil structure and fertility by alternating deep-rooted and shallow-rooted plants.
Description : Rotation of crops is essential (1) For increasing the quantity of minerals. (2) For decreasing the quantity of proteins. (3) For getting different kinds of crops. (4) For increasing fertility of the soil.
Last Answer : (4) For increasing fertility of the soil. Explanation: Crop rotation is the practice of growing a series of dissimilar/different types of crops in the same area in sequenced seasons. It gives ... the replenishment of nitrogen through the use of green manure in sequence with cereals and other crops.
Description : Azolla increases soil fertility for – (1) maize cultivation (2) wheat cultivation (3) barley cultivation (4) rice cultivation
Last Answer : (4) rice cultivation Explanation: The nitrogen-fixing capability of Azolla has led to it being widely used as a biofertiliser for increasing the productivity of rice fields. When rice paddies ... can be inoculated with Azolla., which then quickly multiplies to cover the water, suppressing weeds.
Description : How fertility of soil can be increased in rice fields?
Last Answer : Nitrogen fixing blue green algae like Nostoc and Anabaena are grown.
Description : Fertility of soil is measured by its ability to (a) retain nutrients (b) hold organic materials (c) hold water (d) support life.
Last Answer : (d) support life.
Description : A farming system in which airable crops are grown in alleys formed by trees or shrubs, to establish soil fertility and to enhance soil productivity, is known as— (A) Relay cropping (B) Multiple cropping (C) Alley cropping (D) Mixed cropping
Last Answer : (C) Alley cropping
Description : Fertility of soil can be improved by? a. Adding living earthworms b. Adding dead earthworms c. Removing dead earthworms d. Removing dead earthworms and adding living earthworms e. None of these
Last Answer : a. Adding living earthworms
Description : What is the reason for the reduced soil fertility? a. Over Irrigation b. Poor Drainage c. Continuous cropping d. Imbalanced use of fertilizers e. Pesticide
Last Answer : d. Imbalanced use of fertilizers
Description : The inherent capacity of soil to provide essential chemical elements for the growth of plants is termed as – a. Soil Productivity b. Soil Fertility c. Soil capacity d. Soil flexibility e. Soil Utility
Last Answer : b. Soil Fertility
Description : Crop logging’ is the method of? a. Soil fertility evaluation b. Plan analyst for assessing requirements for nutrients for crop production c. Assessing crop damage d. Testing suitability of fertilizers e. None of these
Last Answer : e. None of these
Description : Which of the following is not an advantage of weeds? a. A Controls Soil Erosion b. B Expedites water flow in irrigation canals c. C Maintain Soil Fertility d. D Used as fodder
Last Answer : b. B Expedites water flow in irrigation canals
Description : Most important objective of mixed farming is — a. Subsistence b. Income generation c. Soil fertility improvement d. Soil conservation
Last Answer : a. Subsistence
Description : What are soils? How are they formed? Or ( Describe the factors that contribute to the formation and fertility to the soil.)
Last Answer : i. Loose and fragmented uppermost layer of the earth's crust, which is useful for plants, is called soil. It is the basic resources of agriculture. ii. It consists of both organic and ... erosion. Climate determines the rate of weathering and the type of vegetation. Time provide maturity to soils.
Description : Environmental factors which increases the allelopathic effects are a).low soil fertility b). Warm wet condition c). Cold wet conditions d). a and b
Last Answer : d). a and b