| 施肥量和施肥方式对人工混播草地产草量的影响 |
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| 引用本文： | 莫本田,罗天琼,韩永芬.施肥量和施肥方式对人工混播草地产草量的影响[J].草业学报,2000,17(4):13-16. |
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| 作者姓名： | 莫本田 罗天琼 韩永芬 |
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| 作者单位： | 贵州省草业科学研究所,贵州,独山,558200 |
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| 基金项目： | 贵州省科技厅科研项目;; |
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| 摘 要： | 采用裂区试验设计探讨了施肥量和施肥方式两个因素对以苇状羊茅、多年生黑麦草为主的人工混播草地产草量的影响,结果表明:随着施肥量增加,鲜草产量明显提高,不同施肥量处理间产量差异达极显著水平(P<0.01);随着基肥比例的增大,追肥比例的减少,鲜草产量反而降低,不同基肥比例处理间产量差异也达极显著水平(P<0.01).另外,相同氮肥量条件下3种施用方式处理与相应的鲜草产量间都成直线关系(r5:5=0.9771**,r6:4=0.9630**,r7:3=0.9643**).
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| 关 键 词： | 施肥量 施肥方式 混播草地 鲜草产量 fertilizer application rates fertilizer application methods mixed sward |
| 文章编号： | 1001-0629(2000)04-0013-04 |
| 修稿时间： | 1999年12月16日 |
Influence of fertilizer application rates and methods on forage yield in mixed sward |
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| MO Ben-dan,LUO Tian-qiong,HAN Yong-fen.Influence of fertilizer application rates and methods on forage yield in mixed sward[J].Acta Prataculturae Sinica,2000,17(4):13-16. |
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| Authors: | MO Ben-dan LUO Tian-qiong HAN Yong-fen |
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| Abstract: | The influence of fertilizer application rates and methods on forage yield in mixed sward, predominantly Lolium perenne and Festuca arundinacea, was tested by split--plot design. The results showed that green forage yield was significant difference (P<0.01)among fertilizer application rates, green forage yield increased with the rates. Whereas response to ground fertilizer proportion increased and top fertilizer proportion decreased, green forage yield declined and was significant difference (P<0.01) among those treatments. Linear positive correlation(P~0.01) between nitrogen application amounts and green forage yield was observed in all of the three ground and top fertilizer ratio treatments included 50%: 50%.4 (r =0. 977 1), 60%:40%(r=0. 963 0) and 70%:30%(r=0. 964 3). |
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| Keywords: | fertilizer application rates fertilizer application methods mixed sward green forage yield |
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