$ Crop rotation decreasess the soil fertility. ! High concentration of minerals is required as fertilizers.

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$ Crop rotation decreasess the soil fertility. ! High concentration of minerals is required as fertilizers. A. ... D. If both As and R are wrong.

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Last Answer : e. None of these

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.

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Last Answer : For increasing fertility of the soil.

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 : 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

Last Answer : Ans: (c)

Description : Q1. Compare the use of manure and fertilizers in maintaining soil fertility. -Science

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Last Answer : d. Imbalanced use of fertilizers

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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 : 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

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Description : In which of the following ways can soil be conserved? 1. Contour ploughing 2. Terracing 3. Shifting cultivation 4. Crop rotation (a) I, II and IV (b) II, III and IV (c) II and IV (d) I and III shop.ssbcrack.com

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Last Answer : Ans: (c)

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Last Answer : (1) Tree plantation/afforestation Explanation: Soil erosion in a desert region can be checked by tree plantation and afforestation.

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Last Answer : (3) Tree plantation/Afforestaion Explanation: Afforestation holds the key for preventing soil erosion in desert regions and further desertification. Trees or even small plants bind soil to ... introduction of improved dry farming practices and animal husbandry and plantations for fuel and fodder.

Description : Salination of soil is caused by – (1) pesticides (2) soil erosion (3) excess irrigation (4) crop rotation

Last Answer : (3) excess irrigation Explanation: Soil salinity is the salt content in the soil: the process of increasing the salt content is known as salinization. Excess irrigation leads to increase in ... is also greatly increased by poor drainage and use of saline water for irrigating agricultural crops.

Description : Crop rotation is being adopted – (1) to increase the productivity of the land (2) to increase the crop yield (3) to increase the soil water (4) to increase the crop resistance to pests.

Last Answer : (1) to increase the productivity of the land Explanation: Crop rotation is the practice of growing a series of dissimilar types of crops in the same area in sequential seasons for various ... the replenishment of nitrogen through the use of green manure in sequence with cereals and other crops.

Description : The growing of grass or legumes in rotation with grain or tilled crops as a soil conservation measure is termed as? a. Crop rotation b. Ley farming c. Shifting cultivation d. Dairy farming e. Mixed farming

Last Answer : b. Ley farming

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Last Answer : excess irrigation

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Last Answer : Without fertilizers

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Last Answer : Ans: (b)

Description : Salinization occurs when the irrigation water accumulated in the soil evaporates, leaving behind salts and minerals. What are the effects of salinization on the irrigated land? a. It greatly increases the crop ... c. It raises the water table d. It fills the air spaces in the soil with water

Last Answer : b. It may lead to crop yield loss

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Description : $ Minerals from 25 to 30% of the cell contents. ! Lipids form 40 to 50% of the cell contents.

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Description : Humus is a type of – (1) fossil seen on the rocks (2) decaying organic matters in soil (3) fertilizers applied in soil (4) special growth found in plants

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Last Answer : decaying organic matters in soil

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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

Last Answer : answer:

Description : How can fertility of soil be improved? -General Knowledge

Last Answer : The answer is 'By addingliving earthworms'

Description : How can fertility of soil be improved? -General Knowledge

Last Answer : answer:

Description : How to increase soil fertility ?

Last Answer : There is no substitute for using organic manure to increase soil fertility.

Description : Soil fertility is depleted due to

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