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 ________? Teolian Soil & Tillage Research The tilth Boke of husbandary #2. Size of aggregates that is suitable for irrigated agriculture? 1 - 2 mm >5 mm 3 - 4 mm <1 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 ________? Row zone tillage Clean tillage Eco-tillage Fallow tillage #6. Percentage depletion of available soil moisture suitable for effective ploughing is _______? 50 - 75% 25 - 50% < 25% > 75% #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? Chickpea Wheat Jute Cotton #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 Zero tillage Sod seeds Minimum tillage #12. Commonly used herbicide in zero tillage is ________? Mesosulfuron Glyphosate Paraquat Pendimethalin #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 _________? Bio farming Plough less farming Mulch farming Both #15. Water requirement for puddling is ______? 4 cm 40 cm 20 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 Rotary weeder Basin lister #18. Which tillage implementation is used for inter cultivation in wide spread crops? Chisel plough Turn wrest plough Junior hoe Mole plough #19. Which is not true for laser land leveling? Smoothening of filed within +2 to -2 cm Increases cultivated area by 3 - % Can also practiced in hilly areas Saves water by 35 - 45% #20. Which of the following is not a minimum tillage option? Clean tillage Wheel track planting Zero tillage Plough plant tillage Previous Finish