12d65980_ening_Tips_and_Plants___How_to__Plant_Symptoms
[Deficiency] Potassium [Plant Uses] Aids in nutrient movement, protein synthesis, and carbohydrate metabolism [Sources] Greensand, granite dust, Kelp, compost, manure [Plant Symptoms] 
Brown leaf margins on lower leaves Shriveled fruit Plants not as healthy Weak stems
Organic Gardening Tips and Plants - How to