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Analysis of Fodder Nutritive Value in the Leaves Harvested at Different Growing Stages and Parts for Tetraploidy Robinia pseudoacacia

  • Received Date: 2006-02-17
  • The contents of crude protein,calcium,gross phosphorus and other general ingredients at different stages and parts and amino acids at different stages in the leaves of tetraploidy Robinia pseudoacacia for fodder,from Langfang of Hebei province,were determined.The results indicated that the content of crude protein at growing stages was higher significantly than those at color changing stage in the leaves of tetraploidy Robinia pseudoacacia for fodder,the content of neutral detergent fiber on July 15 was lower than that on October 5;and the contents of crude protein,ether extract,gross phosphorus in top part were better than those in lower part in the leaves of tetraploidy Robinia pseudoacacia for fodder,but the contents of crude fiber,crude ash,calcium were in opposition;and there were eighteen amino acids in the leaves of tetraploidy Robinia pseudoacacia for fodder,moreover,their contents were descending gradually along with the time,and its nutrition was as well as or higher than Medicago sativa at growing stages.
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Analysis of Fodder Nutritive Value in the Leaves Harvested at Different Growing Stages and Parts for Tetraploidy Robinia pseudoacacia

  • 1. Key Laboratory of Genetics and Breeding of Forest Tree and Ornamental Plant,Ministry of Education,Beijing Forestry University,Beijing 100083, China
  • 2. Forestry Bureau of Qinzhou District,Tianshui City,Gansu Province,Tianshui 741000,Gansu,China

Abstract: The contents of crude protein,calcium,gross phosphorus and other general ingredients at different stages and parts and amino acids at different stages in the leaves of tetraploidy Robinia pseudoacacia for fodder,from Langfang of Hebei province,were determined.The results indicated that the content of crude protein at growing stages was higher significantly than those at color changing stage in the leaves of tetraploidy Robinia pseudoacacia for fodder,the content of neutral detergent fiber on July 15 was lower than that on October 5;and the contents of crude protein,ether extract,gross phosphorus in top part were better than those in lower part in the leaves of tetraploidy Robinia pseudoacacia for fodder,but the contents of crude fiber,crude ash,calcium were in opposition;and there were eighteen amino acids in the leaves of tetraploidy Robinia pseudoacacia for fodder,moreover,their contents were descending gradually along with the time,and its nutrition was as well as or higher than Medicago sativa at growing stages.

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