For more berries, you should make sure to replace your entire bed after 3-5 years. Once the strawberry plants are older than five years, they start to decrease in productivity. By replacing your beds the younger plants will be able to take over and produce lots of new strawberries.
Growing peppers. Peppers hate nitrogen/commercial fertilizer. Wait until plants flower before fertilizing. Then spray leaves with 1 tsp of Epsom salt to 1qt of water (peppers need Magnesium to set fruit). Peppers also enjoy small amounts of potassium (wood ashes).