a couple questions about using organic fertilizer: 1. if you live in michigan where is a good place to buy... especially in West Michigan (grand rapids area). 2. at what rate do you guys spread it? i did a little research and best i could find was for a 40 lb bag covers 2000 sq ft. 3. Does anyone know where to buy in bulk? what is the best price? I have done very little with organic fertilizer but everyone is asking for it. This was the website i was told about. http://www.gardensalive.com/product.asp?pn=2836&bhcd2=1200360268 anyone know a better place to buy it?