野生牧草的特性与多途径开发利用

冀中平原野生牧草资源丰富，调查结果３０余属１００余种，分布甚广。通过饲用价值的评定其中优良牧草占４５．７９％。按生物学分４类：一年生春实性草、秋实性草、二年生草、多年生草。各类草的生态特性虽有不同，生育期也有差别，但多集中在３月下旬至４月上旬出现（包括返青）。５月上中旬即可放牧利用，７～８月草生旺季可以组织打草贮饲。除放牧利用外，还可以打浆、青贮、调制干草、或加工草粉，兔、羊、牛、马、猪、禽皆可利用。据调查多数野生牧草还是是药材，有的是工业原料植物，具有多途径开发利用的意义。

Wild Herbage Charicteristics and Multi-development

In the Central Hebei Plain,there are rich resources of herbage with more than 100 species belonging to about 30 different generas.There are wildly distributed.Through the evaluation in feeding value,good herbages make up 45.79% of the total resources.According to the biological division,they are classified into four categories:annual spring herbage.annual autumn herbage,abdennial herbage and Perennial herbage.Among them,there are some differences in both ecological charioters and growth singes but most of them begin to grow from late March to early April. Usually grazing begins from early or middle May in a year and feed storage is allowed from July to August including fi'esh storage and dry storage.In addition,herbages can be made into dried herbage powder to feed all kinds of domestic animals such as rabbits,sheep and goatS,pigs,livestocks and POultry as well.It is reported that most of the wild herbages can be used as medicines and some can also be used as the industrial raw materials so that wild herbages are of great importance in multi-development.