| Effect of intercropping or mixture and harvest time on forage yield and quality of oat and pea under low soil nitrogen environment |
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| DOI：10.7606/j.issn.1000-7601.2006.05.02 |
| Key Words: oat pea nitrogen intercropping and mixture harvest time forage yield forage quality |
| Author Name | Affiliation | | ZHAO Cai-xia | College of Agronomy and Biotechnology China Agricultural University,Beijing 100094,China | | HE Wen-qing | Institute of Environment and Sustainable Development Chinese Academy of Agriculture Science,Beijing 100081,China | | HU Yue-gao | College of Agronomy and Biotechnology China Agricultural University,Beijing 100094,China | | DONG Hui-ming | Planting System Service Center of Yanqing County,Beijing 102100,China | | SHE Xiao-ling | Planting System Service Center of Yanqing County,Beijing 102100,China |
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| Abstract: |
| The experiment was carried out in Yanqing County of Beijing to study the effects of different intercropping and mixture modes on forage yield and quality of oat and pea under low soil nitrogen environment.The results indicated the intercropping and mixture of pea and oat could not only enhance dry forage yields and forage nitrogen yields,but also reduce content of forage ADF and NDF,and raise RFV of oat at post-anthesis stage under low soil nitrogen environment,comparing with oat monoculture.All the four treatments of intercropping or mixture had their own advantages and disadvantages in forage yield and quality.If the main objective was to gain more forage yield and nitrogen yield,the best planting mode of oat and pea was 1:1 intercropping,then in turn 1:1,1:2 and 2:1 mixtures.The optimum harvest time of intercropping and mixture was milky maturity stage of oat and pod filling stage of pea,when the mixture forage yield was the highest,the nitrogen yield and RFV were relatively high,and ADF and NDF were relatively low. |
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