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You wouldn't go to the pharmacy and
order some medicine with out a
Likewise a soil test is valuable to determine the balance of nutrients
The report gives advice on how much and what to add for optimum plant
Most garden books recommend periodic soil testing. Samples are sent to
the lab, I have used both the U of Maine and the U of Mass
services. (see my links page).
Interesting alternative or confirmation is the use of "indicator"
plants. For vegetable gardening the plant Pig Weed
(Lambs quarters, wild spinach)(info, picture) is an
indicator of perfect garden soil when abundant.
I have been exploring adjusting the nutrient level in lawns to
discourage some types of plants (ground ivy) and encourage others
(grass). (with some success)
also - good idea not to overstimulate plant grow - to much nitrogen in
the lawn and you have to mow to often. Same goes for trees and shrubs
(more trimming). Excessive and succulent growth is like a dinner bell
for insects (here's a nice fat leaf to chew on).
This proceedure has work well in many of my newton organic lawns.