Some plants absorb excess nitrates or oxalates from the soil and store them in plant tissues. Toxicity problems can occur in animals which feed on these plants.
Differences between processed and organic fertilizers are explained in this article.
Organic pesticides are usually considered as those pesticides that come from natural sources. They are usually minimally processed. These natural sources are usually plants or minerals. There are also microbial pesticides.
Because of our typically wet springs in western Oregon, the average hay crop usually ends up being of low quality. However, when forage in the field is young and tender it is of high quality. As the forage matures, it ...