论文部分内容阅读
无芒雀麦(Bromus inermis)在川西北牧区具有产草量高、品质好、利用年限长等优点,现正在牧区推广种植。因这里气温低,生长季节短,该草一般在抽穗后仅刈割利用一次。为了弄清抽穗后不同时期刈割的干物质产量和饲草品质的变化规律,给适时刈割利用提供依据,
Bromus inermis (Bromus inermis) in the pastoral areas of northwestern Sichuan has the advantages of high yield, good quality, long useful life, and is now in the pastoral areas to promote planting. Because of the low temperature and short growing season, the grass is generally mowed once after heading. In order to clarify the variation of dry matter yield and forage quality at different stages after heading, provide the basis for timely cutting and utilization,