ARD NABARD MAINS 2020 Quiz 7: Soil Erosion and Conservation June 23, 2020June 10, 2021 Soil Erosion and Conservation Please enter your email: 1. If there is a little slope in the field, the soil erosion can be prevented by: Contour terracing Contour strip cropping Confour farming All of these None of the above 2. The fertility level of any soil is generally determined by: Aeration and hydration Humus and mineral contents Humus, mineral and hydration level All of these None of the above 3. The most common method used for cultivation on hills: Levelling Ridge terracing Bench terracing Channel terracing None of the above 4. The disadvantage of ploughing in arid and semi-arid zones is: Loss of soil water Soil particles became smaller Soil organisms are exposed All of these None of the above 5. Gullies are removed by: Pan breaking Levelling Ridge terracing All of these None of the above 6. An important agrostological technique to check soil erosion in the initial stages is: Ley farming Land retirement Basin listing Contour farming None of the above 7. Which of the following plants are used as wind breaks? Zizpyhus and Calotropis Dalbergia and Delonix Delonix and Albizia Morinda and Anona None of the above 8. The most significant and initial requirement for dry farming is: Shallow ploughing Development of textures Animal husbandry Crop selection None of the above 9. The soil permeability can be decreased due to blockers called: Pans Peds Clods Any of the above None of the above 10. The removal of weeds by ploughing is called: Mulching Fallowing Tilling Contour farming None of the above 11. Contour binding is done to check: Rill erosion Gully erosion Ravine formation Sheeterision None of the above 12. The soil binding is done in the best way by: Algae Mycorrhizae Grasses All of these None of the above 13. When trees and shrubs are planted in long orws along streams, they are described as: Wind breaks Soil binders Shelter belts Basin blisters None of the above 14. Digging pits on the slopes just for the accumulation of run off is called as: Contour terracing Contour trenching Beach terrasing All of the above None of the above 15. Terracing is done in: Desert areas Hilly areas Dry areas Plain areas None of the above Loading …