1 Posted on October 9, 2026Author agropublishers 0 1. Tillage affects crop establishment partly through its influence on ___________________ Flower color Genetic variability Seed–soil contact and soil physical conditions Pollination type 2. A good seedbed should provide ____________ Suitable aeration Adequate moisture All of these Good seed–soil contact 3. Tillage influences crop growth mainly by modifying the ______________ Photoperiod of the crop Soil environment around plant roots Genetic composition of the crop Atmospheric nitrogen concentration 4. Repeated shallow tillage may contribute to development of a _____________ Root nodulation Plough or tillage pan Drought condition Soft soil patch 5. Seedbed preparation is primarily intended to provide conditions suitable for _________________ Rapid and uniform germination and emergence Soil protection Soil leveling Complete soil inversion 6. What is the key distinction between tillage and tilth? Tillage is a process, whereas tilth is a soil condition Both terms have exactly the same meaning Tillage is a soil property, whereas tilth is an implement Tilth refers only to soil fertility 7. Tillage of excessively wet soil may increase the risk of ____________________ Improved soil structure in all cases Complete elimination of clods Compaction and structural damage Reduced bulk density in all situations 8. A friable soil is one that ___________________ Lacking soil aggregates Is permanently waterlogged Is extremely hard when moist Crumbles readily under suitable moisture conditions 9. Excessive pulverization or over-tillage of soil may result in ________________ Improved aggregate stability in all cases Loss of desirable soil structure Permanent improvement of soil health Elimination of erosion 10. Good tillage should primarily be based on _____________ The agronomic objective and soil conditions The deepest possible tillage The largest available tractor The maximum possible number of operations Loading … Question 1 of 10
