Is it possible to determine the quality (acidity, fertility) of the soil on the site by weeds?

Weeds can be used to determine the quality of the soil. The thing is that certain weeds can grow only where there is a certain chemical composition of the soil or a certain amount of salts and acids. Thanks to weeds, you can immediately determine whether it is necessary to fertilize the soil and under which crops it is best suited. But not only the presence of certain weeds indicates the characteristics of the soil. The absence of certain weeds or the presence of certain species and the absence of others can tell about the chemical state of the earth as well as laboratory analysis.



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