Boost Corn Yields and Soil Fertility with Potassium Fertilizer in Xinzhou
A study in Xinzhou City looked at how adding potassium fertilizer to corn fields affects crop yield. They found that adding more potassium fertilizer improved the quality of the corn and increased the amount of corn produced. By adding 100kg of K2O per hectare, the soil's potassium levels can be kept at a good level.