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