重盐碱地可栽梨树为开发利用土地资源，山东省东阿县陈集乡张楼村，于１９９１年春将废弃的２００余亩重盐碱地（ＰＨ７．９－９．２）开垦种植梨树，经３年培育梨树生长良好，使多年无经济收益的土地变成了梨园。一、改土建园：由于盐碱较重，种植农作物难以保苗，因此已... Heavy salt and alkali land can be planted pear tree In order to exploit and utilize land resources, Zhanglou Village, Chenji Township, Dong’e County, Shandong Province, cultivated and planted pear trees in the spring of 1991 with more than 200 mu of heavy saline alkali land (PH7.9-9.2) Three years to cultivate pear well-growing, so that years of no economic benefits of the land into a pear orchard. First, to change the soil: due to heavier salt, planting crops is difficult to seedlings, it has been ...