干热河谷的优良梨种──热谷梨高凤生梨是温带果树，在热带地区难见其踪迹。天津鸭梨和昆明宝珠梨虽好，但地处祖国西南边疆干热河谷的群众又难享口福，兰坪县依主梨也不错，但群众把它种植到海拔低的干热河谷之后，这梨的色、香、味都变淡了，令人惋惜不已。一九八八年秋... Excellent pear species in the hot and dry valleys ─ ─ Hot Valley pear Gao Fengsheng pear is a temperate fruit tree, hard to find its traces in the tropics. Although Tianjin Yali Pear and Kunming Baozhu are good, the people living in the dry and hot valley in the southwestern border of the motherland are hard-pressed to enjoy their blessings. However, the main pear in Lanping County is also good. However, the masses planted it in dry-hot valleys with low elevation. Pear color, smell and taste are fades, it is regrettable endless. Autumn 1988