For those that grow their own fruits and veggies, no garden Flagstaff is complete without a couple of tomato plants. Tomatoes are vulnerable to diseases that damage a harvest if left untreated and various pests. From building on tomato crops, copper sulfate, a quickly accessible fungicide and bactericide, stops several fungal illnesses. When combined with with water, ions which can be toxic to fungi but fairly risk-free for the crops are released by copper sulfate. (more…)