Allelopathic plants sometimes create some persistent problems to the soil. For example, the residues of allelochemicals may exist in the soil for a long time after the plant is removed; which results in soil sickness and makes some sites unsuitable<span> for general plant growing.
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Answer: To introduce nitrogen back into the soil you can plant crops that create their own nitrogen like soybeans and other legumes crops or use a chemical fertilizer with nitrogen in it. Crop rotation is also a eco effecieint way for farmers to reduce the risk of nitrate leaking onto the surface.
Explanation:
The correct answer to the question above is Batesian mimicry. The term used to describe a harmless organism resembling a harmful one is called Batesian mimicry. Batesian mimicry is a form of mimicry in which harmless organism had adapted to imitate the predators.
B. the Taft-hartley act of 1947 restricted the power of labor unions
Answer:
Understanding Heat Transfer, Conduction, Convection and Radiation. Heat always moves from a warmer place to a cooler place. Hot objects in a cooler room will cool to room temperature. Cold objects in a warmer room will heat up to room temperature. Hope this helps!