Five kinds of arbuscular mycorrhiza fungi(AMF) spores with higher density were isolated from the multiplied soil sample of DengKou, one of the four study sites, by wet sieving method.

• 从磴口样区土样中分离到数量上明显占优势的五种类型AM真菌孢子，以高粱为宿主，用盆钵盆养法，将分离得到的单种和混合种类孢子分别进行培养，为下一阶段接种试验准备菌剂。