Quiz on AgronomyTillage - January 7, 2021 | January 7, 2021 - AgriScan 1 minute read QUIZ STARTResults #1. The name of the book written by Flitzherbert on first recorded evidence of soil tilth was ________? Boke of husbandary The tilth Teolian Soil & Tillage Research #2. Size of aggregates that is suitable for irrigated agriculture? >5 mm 3 - 4 mm 1 - 2 mm <1 mm #3. Which is not true for optimum tilth? Improved aeration Higher / Increased Bulk density Uniform size distribution of aggregates Friable soil #4. Which is not true for tillage? Increased hydraulic conductivity Oxidise organic matter Increased pore space Increased thermal conductivity #5. Conventional tillage is also called as ________? Fallow tillage Eco-tillage Row zone tillage Clean tillage #6. Percentage depletion of available soil moisture suitable for effective ploughing is _______? < 25% > 75% 50 - 75% 25 - 50% #7. According to CRIDA, depth of ploughing considered as medium? 5 - 6 cm 7 - 15 cm 15 - 20 cm 25 - 30 cm #8. Plough suitable for subsoiling is ________? Desi plough Chisel plough MB Plough Ridge plough #9. Setline planting in Gujarat adopted for which crop? Jute Cotton Wheat Chickpea #10. Minimum recommended residue retention in conservation tillage is ______? 20% 40% 10% 30% #11. Which tillage system evolved in USA for pasture renovation? Both a & b Minimum tillage Zero tillage Sod seeds #12. Commonly used herbicide in zero tillage is ________? Mesosulfuron Pendimethalin Paraquat Glyphosate #13. Which problem is not associated with zero tillage? Poor germination Build up of perennial weed Low mineralization Water logging #14. Stubble mulch tillage is also known as _________? Mulch farming Bio farming Plough less farming Both #15. Water requirement for puddling is ______? 10 cm 20 cm 40 cm 4 cm #16. Puddling becomes difficult when bulk density is _________? 2.65 g/cc 1.33 g/cc < 1 g/cc 1.33 - 2.65 g/cc #17. Tillage implement used in rice field? Rotary weeder Danti Star weeder Basin lister #18. Which tillage implementation is used for inter cultivation in wide spread crops? Chisel plough Turn wrest plough Mole plough Junior hoe #19. Which is not true for laser land leveling? Saves water by 35 - 45% Increases cultivated area by 3 - % Can also practiced in hilly areas Smoothening of filed within +2 to -2 cm #20. Which of the following is not a minimum tillage option? Clean tillage Zero tillage Plough plant tillage Wheel track planting Previous Finish