据我国航天工业部田城科技贸易公司介绍,用玉米制造“保水剂”获得成功,为玉米的综合利用开辟了新途径.该“保水剂”是一种无毒、无味、中性的小颗粒,遇水后数分钟便吸足水分,膨胀300～1,000倍.把它撒在土壤中,每个颗粒象一个微型水库, According to the introduction of Tiancheng Technology & Trade Company of China’s Ministry of Aerospace Industry, the successful application of “water-retaining agent” made of corn has opened up a new way for the comprehensive utilization of corn, which is a non-toxic, tasteless and neutral small particle, After a few minutes of water absorption enough water, swelling 300 to 1,000 times .Spit it in the soil, each particle like a micro-reservoir,