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沙打旺是一种抗风沙耐干旱的豆科草种,它既是优良的绿肥和牧草,又是很好的周沙和水土保持植物,特别适于在黄土高原及北方干旱贫瘠的荒漠沙化土壤上种植。近几年来,随着其栽培面积的日益扩大,病害问题也渐严重。为给防治工作提供依据,我们先后对内蒙古和辽宁西部沙打旺重点栽培区的部分旗县进行了初步调查,现将结果报告如下。
Astragalus is a sand-tolerant weed species resistant to wind-blown sand. It is both good green manure and pasture, and is also a good surrounding sand and water and soil conservation plant. It is especially suitable for the cultivation of desertified desertified soils in the Loess Plateau and northern China Grow on. In recent years, with the growing area of its cultivation, disease problems are also getting worse. In order to provide the basis for prevention and control work, we conducted a preliminary investigation on some flag counties in the key cultivation areas of Inner Mongolia and western Liaoning Province, and the results are reported as follows.