大洼县城郊农场良种分场农工程孝民，1994年从营口县引进耐盐碱矮化密植的桃、梨树种。他将梨树栽植在盐碱地大坝埂上，桃树栽在大棚里。1年定植，2年结果，1996年（第3年）获得了丰收，故盐碱地果树开了新花。由于该树种抗公碱性强，加之程孝民的精心管理，100株梨树、144株桃 Dawa County suburbs farms thoroughbred farm farming Xiaopeng Min, 1994 from the introduction of salt-resistant dwarf density close planting of peach, pear tree species. He planted the pear tree in the dam of the saline-alkali soil, peach planted in the greenhouse. 1 year colonization, 2 years results, 1996 (the third year) has been a bumper harvest, so the saline-alkali fruit tree opened a new flower. Due to the strong resistance of the trees to the strong alkalinity, coupled with the careful management of Chengxiao Min, 100 pear trees and 144 peach trees