Study on Nutrient Characteristics of Caragana microphylla on Loess Plateau in North west of Shanxi Province

ZHANG Qiang; YANG Zhi-ping; CHENG Bin; GAO Chun-hua; ZHANG Yi-gong

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Study on Nutrient Characteristics of Caragana microphylla on Loess Plateau in North west of Shanxi Province

更新时间：2024-11-07

- Study on Nutrient Characteristics of Caragana microphylla on Loess Plateau in North west of Shanxi Province
- Vol. 20, Issue 3, Pages: 66-69(2006)
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  CLC： S792.99
- Published：2006
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ZHANG Qiang, YANG Zhi-ping, CHENG Bin, et al. Study on Nutrient Characteristics of Caragana microphylla on Loess Plateau in North west of Shanxi Province[J]. 2006, 20(3): 66-69.
DOI：

ZHANG Qiang, YANG Zhi-ping, CHENG Bin, et al. Study on Nutrient Characteristics of Caragana microphylla on Loess Plateau in North west of Shanxi Province[J]. 2006, 20(3): 66-69. DOI：

摘要

研究了小叶锦鸡儿（Caragana microphylla）人工灌丛不同生育期、不同生长年限及不同器官的营养特征。研究结果表明：小叶锦鸡儿枝条和叶片营养丰富．枝条在开花期粗蛋白含量达到19．61％．嫩叶的粗蛋白古量高达27．50％，粗纤维含量仅为12．3％。枝条和叶片的矿质养分含量高且比例合理．Ca／P为1．7：1～2．1：1．接近家畜日粮中Ca／P最佳比例2：1，是优质的灌木饲料。从休眠期到开花期．小叶锦鸡儿的营养元素含量呈上升趋势．以后逐步降低，花期是最佳利用季节。随着小叶锦鸡儿生长年限的延长，各种营养成分逐渐减少．从生态学的角度分析，平茬后第3年是小叶锦鸡儿最佳的利用时间。小叶锦鸡儿枝条氨基酸总量在6．0％左右．高于玉米秸秆饲料，而且维生素含量丰富．是优质的家畜饲料和北方生态建设的优质树种。

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