Is it good to eat the oranges off the orange tree, if the dog poops near it daily and urinates as well?
It won't effect the fruit at all. Think about it - people commonly fertilize their gardens with cow manure, and, even better, chicken manure. The dog waste moistens the soil at the surface level, where it is filtered by the grass and soil. It evaporates quickly, and never gets deep enough into the soil to effect the tree. Trees take their water from deep levels in the soil, and filter it even more by the time it gets to the fruit. Rest assured that - unless you are using chemical pesticides on it - the fruit is healthy, wholesome, and wonderful.
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