c7d03397_ening_Tips_and_Plants___How_to__Plant_Uses
[Plant Symptoms] Brown leaf margins on lower leaves Shriveled fruit Plants not as healthy Weak stems [Deficiency] Potassium [Sources] Greensand, granite dust, Kelp, compost, manure [Plant Uses] 
Aids in nutrient movement, protein synthesis, and carbohydrate metabolism
Organic Gardening Tips and Plants - How to