Even though potassium is stratified under reduced tillage （as it is in a permanent sod）, it is apparent that roots proliferate sufficiently near the soil surface to assume adequate potassium uptake by crops.
Even though potassium is stratified under reduced tillage （as it is in a permanent sod）, it is apparent that roots proliferate sufficiently near the soil surface to assume adequate potassium uptake by crops.
虽然在少耕制下，土壤钾有明显的分层分布（象永久性草地一样），但在土表附近，作物根系发达保证作物对钾有足够的吸收。