但是，地膜也有其局限性。自然资源专家指出，杂草可以在地膜里传播，还可以通过土壤，谷物，干草和动物传播。
But even mulch has its limits. Natural resource specialists point out that weeds can be transported in mulch. This is also true of soil, grain, hay and animals.
我喜欢园艺，制干草，动物，住在农村，外国电影，学习任何东西，烹饪和烘培。
I enjoy gardening, haying, animals, living in the country, foreign movies, learning about anything, cooking and baking.
这表明利用毛壳菌发酵玉米秸秆和青干草生产营养价值较高的动物饲料，是有效利用纤维素资源的新途径。
The results show that it is a new way to ferment cellulose material such as corn straw and hay, with Chaetomium cellulolyticum , to produce more nourishing animal forage.
应用推荐