You have probably seen "NPK" written on fertilizer bags. That "K" there stands for potassium. Potassium is not just a side nutrient. In fact, potassium is one of the three most important nutrients for ...
What you throw away in the kitchen could matter more in the garden. This everyday leftover plays a surprising role in soil ...
Feb. 20 (UPI) --Soils around the world are running low on potassium, a key nutrient needed for plants to grow. This ultimately means we may not be able to grow enough food for everyone. But it's not ...