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适宜的品种和收获时期是燕麦饲草高产和高品质的关键因素.研究了国内外20个主要饲用燕麦品种(7个裸燕麦Avena nuda L,13个皮燕麦Avena sativa L)在河北坝上地区连续种植三个生长季(2017~2019)不同生育期饲草产量的变化规律,同时比较了不同生育期燕麦的饲草品质.结果表明:(1)从孕穗期、抽穗期、开花期、乳熟期到完熟期,20个燕麦品种饲草产量(地上生物量干重)都在逐渐增加,在完熟期达到最大值.品种坝莜18号、远杂1号、GL381饲草产量在成熟期超过12 t ha-1
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