一种在干旱无水条件下 ,保证植物成活的蓄水能力达几百倍的“科瀚９８固体水”（干水） ,最近由河北省保定市科翰树脂有限公司研制成功。它形似冰块 ,但不会像冰那样在摄氏零度以上溶化。这种含水量较高的透明胶状物质埋到土壤中 ,能根据需要 ,把水分持续缓慢地供给植物 ,持续 A kind of “Kehan ​​98 solid water” (dry water) with a water holding capacity up to several hundred times to ensure the survival of plants under drought and waterless conditions was recently successfully developed by Kehan ​​Resin Co., Ltd., Baoding, Hebei Province. It is shaped like an ice cube, but it does not melt above freezing at 0 ° C like ice does. The high water content of transparent gelatinous material buried in the soil, according to the need, the water continued to supply slow and sustained plant