我地地处素有“世界屋脊”之称的青藏高原,属高海拔、高寒、半干旱农业区域,自然气候条件恶劣,灾害频繁,农作物在生长过程中因受无霜期短,土壤温度低等不利环境的影响,不能正常成熟,产量低而不稳。为了提高农作物对这些不利环境的适应和抵抗能力,避免逆境伤害,促进农作物稳产高产,加速西藏“三高”农 I am located in the known as “the roof of the world,” said the Qinghai-Tibet Plateau, is a high altitude, alpine, semi-arid agricultural areas, poor natural and climatic conditions, frequent disasters, crops in the growth process due to frost-free period is short, low soil temperature disadvantage The impact of the environment can not be normal mature, low yield and instability. In order to increase the adaptability and resistance of crops to these unfavorable environments, avoid adversity damage, promote stable and high-yield crops and speed up the “three-highs” agriculture in Tibet