惠农农场位于石嘴山市东南25华里,东临黄河,为青钢峡灌区最下游惠农渠末梢地带。全场2万多亩土地分布在南北长20多华里的黄河岸边,地势低洼,排水不畅,土壤盐碱重,肥力低,为盐化草甸土。除黄河岸边因受黄河淡化的影响盐分较轻外,一般含盐都较高(0.3～5%),盐分以硫酸盐氯化物为主。土壤质地多为壤土,垦前为河滩盐荒,长有盐 Huinong farm is located in Shizuishan 25 southeast southeast, east of the Yellow River, Qingnixia irrigation area for the most downstream benefit farmers canal peripheral zone. The audience of 20,000 mu of land is distributed in the bank of the Yellow River with a length of more than 20 kilometers long from north to south. The land is low-lying and the drainage is poor. The soil has heavy salt and alkali and low fertility, which is salinized meadow soil. In addition to the Yellow River shore due to the impact of the Yellow River desalination less salt, the salt is generally higher (0.3 to 5%), the main salt sulfate sulfate. Soil texture mostly loam, reclamation before flood beach salt, long salt