The first gardening question I received for 2013 was "Can I use chicken droppings for my garden?" This is a good question since more and more people have household flocks. A chicken produces about four ounces of manure each day, a valuable fertilizer for plants. Chicken manure contains the most plant nutrients, such as nitrogen, phosphorus, potassium and sulfur, of any animal manure.However, the nutrients alone aren't all that make poultry manure valuable. It also builds up organic matter in the soil, makes the soil easier to manage and less likely to erode, helps it absorb water more efficiently, and …