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我们满都户公社满西二队第九条方田,地势比较低洼,盐碱重,土质瘠薄。春天土冷浆,不抓苗,不发小苗,越追硫铵越返碱。伏雨后,水浸庄稼,苗瘦细弱,秋天籽粒上不来,历年产量每亩不过160～170斤。 1972年我们在沈阳市农业局统一布置下,搞了35亩地磷肥肥效试验。试验共有7个处理,每个处理5亩地,没设重复区。作物品种为白单四号玉米,栽培方式为玉米间大豆,比例2:2。4月30日播种,各处理追肥,铲趟管理水平基本相同,收获时每区实打实收。
We are all over the commune Manxi second team nine square, relatively low-lying terrain, heavy salt, soil infertility. Spring soil slurry, do not grasp the seedlings, no hair seedlings, the more the more ammonium sulfate back to alkali. After the rain, flooding crops, thin seedling thin, fall grain does not come, but the annual output of 160-170 pounds per mu, however. In 1972, under the unified arrangement of Shenyang Municipal Bureau of Agriculture, we engaged in 35 mu of phosphate fertilizer efficiency test. A total of seven trials, each dealing with 5 acres of land, no repeat area. The crop varieties were Baidian No.4 maize, and the cultivation method was corn corns, with the ratio of 2: 2. On April 30, sowing was conducted on April 30, and the top management of top dressing and shoveling was basically the same.