The process of making silage is a form of chemical treatment.
调制青贮饲料的过程即为化学处理的一种方式。
But just few studies on rice straw silage in China are available.
而目前，我国对稻草的青贮研究还比较少。
The nutrition change rule of the Silage maize at different growth stage;
不同生育期青贮玉米全株营养物质变化规律的研究；
The nutrition change rule of the Silage maize at different growth stage;
不同生育期青贮玉米全株营养物质变化规律的研究；
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