关键词: 氮磷钾肥, 氮磷钾营养, 光合生理指标, 新梢, 茶树

Abstract: Global warming makes the resource exploitation and utilization of Polar region be possible. However, due to the special status of Polar region in international laws, there are many debates in international communities about the relevant rights and interests of Polar region. These debates mainly manifested in two aspects, i.e., legal conflicts between international treaties, and legal conflicts between international and domestic laws. China has a great development space in the marine affairs of Polar region. Accordingly, the researches on the Polar region legal issues can provide corresponding legal bases and countermeasures to China in its dealing with the relevant international marine affairs in the future.

Key words: nitrogen, phosphorus and potassium fertilizer, nitrogen, phosphorus and potassium nutrition, photo-biological characters, new shoots, tea tree.