8种一年生饲料作物生产性能及相对饲用价值
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摘要
在四川雅安、仁寿对8种一年生饲料作物进行营养品质分析及生产性能评价。结果表明,晋草8号、晋草11号(饲草高粱)在两试点均具有较好的生长势,株高、干物质(DM)产量、粗蛋白(CP)产量、可溶性碳水化合物(WSC)产量均极显著高于其他品种(P <0.01),相对饲用价值(RFV)在125.00以上(晋草11号在雅安除外,为114.39)。晋草11号在雅安的干物质产量最高,为20.11 t·hm–2,其次为晋草8号、正红311(青贮玉米);晋草8号在仁寿的干物质产量最高,为10.39 t·hm–2,其次为晋草11号、正红311;晋草8号在雅安的CP产量和WSC产量最高,其次为晋草11号;晋草11号在仁寿的CP产量最高,其次为对照品种雅玉青贮8号(青贮玉米)、正红311;WSC产量以晋草8号、雅玉青贮8号以及正红311最高。综合草产量与品质,晋草8号、晋草11号和正红311适宜在两试点推广种植。
The performance and nutritional quality of eight annual forage crops were analyzed in Ya'an and Renshou of Sichuan. The results showed that Jincao 8 and Jincao 11(forage sorghum) had good growth potential in both pilots. The plant height, dry matter(DM) yield, crude protein(CP) yield, and water-soluble carbohydrates(WSC) yield were significantly higher(P < 0.01) than for other varieties, and relative feed value(RFV) exceeded 125.00(Jincao 11, except in Ya'an, is114.39). Jincao 11 had the highest DM yield in Ya'an, which was 20.11 t·ha–1, followed by Jincao 8 and Zhenghong 311(silage corn), In Renshou, Jincao 8 had the highest DM yield, which was 10.39 t·ha–1, followed by Jincao 11 and Zhenghong311. The CP and WSC yields of Jincao 8 were the highest in Ya'an, followed by Jincao 11. The CP yield of Jincao 11 was the highest in Renshou, followed by Yayu Silage 8(CK, silage corn) and Zhenghong 311. Furthermore, Jincao 8, Yayu Silage 8,and Zhenghong 311 had the highest WSC yield. Based on the yield and quality of Jincao 8, Jincao 11, and Zhenghong 311,these forage crops are suitable for cultivation in two pilots.
The performance and nutritional quality of eight annual forage crops were analyzed in Ya'an and Renshou of Sichuan. The results showed that Jincao 8 and Jincao 11(forage sorghum) had good growth potential in both pilots. The plant height, dry matter(DM) yield, crude protein(CP) yield, and water-soluble carbohydrates(WSC) yield were significantly higher(P < 0.01) than for other varieties, and relative feed value(RFV) exceeded 125.00(Jincao 11, except in Ya'an, is114.39). Jincao 11 had the highest DM yield in Ya'an, which was 20.11 t·ha–1, followed by Jincao 8 and Zhenghong 311(silage corn), In Renshou, Jincao 8 had the highest DM yield, which was 10.39 t·ha–1, followed by Jincao 11 and Zhenghong311. The CP and WSC yields of Jincao 8 were the highest in Ya'an, followed by Jincao 11. The CP yield of Jincao 11 was the highest in Renshou, followed by Yayu Silage 8(CK, silage corn) and Zhenghong 311. Furthermore, Jincao 8, Yayu Silage 8,and Zhenghong 311 had the highest WSC yield. Based on the yield and quality of Jincao 8, Jincao 11, and Zhenghong 311,these forage crops are suitable for cultivation in two pilots.
引文
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