Ancient Greek and Roman writings indicate that various animal excrements were used, depending on the type of soil or plant grown. Kirschner, Elisabeth. Various other tests are also performed, depending on the specific nature of the fertilizer composition.
Phosphate ions applied in fertilizer and manure become tightly bound to soil particles and are not normally leached. Research, Education, and Policy This report combines different perspectives--farmers, researchers, and food system stakeholders across statewide and sub-regional scales--to shed light on what is needed to enhance organic agriculture in Oregon. Sometimes I too cheat and add an inorganic fertilizer for emergencies.
As the ph rises above neutral, your plants will die.
Hummingbird Ideas. Enhancing Organic Agriculture in Oregon. At high concentrations it is toxic to plants.
Since plants do not eat food like animals, they depend on nutrients in the soil to provide the basic chemicals for these metabolic reactions. Organic greens result in massive amounts of fossil fuel use.
The salts are very acidic. Early scientists such as Francis Bacon and Johann Glauber describe the beneficial effects of the addition of saltpeter to soil. The organic process is very simple.
The organic process still makes inorganic food for the plant. Thanks for your question, and good luck with the essay!
Potassium is another major substance that plants get from the soil. We have to plant crops that will provide enough food for our population. Fresh, non-composted manure can damage your plants as well, because some manure contains harmful amounts of salts.
When you add the compost in your soil it also give soil structure and nutrients for your plants. Synthetic vs.
Mainstream website but good info on chem vs organic can be found here: First of all in many case studies organics failed to yield as much as chemical grown. Dressing Up a Blank Backyard Feb 11, 2019. It must not excessively harm the existing natural ecosystem.