| 施肥对10个墨西哥柏种源幼苗生长的影响 |
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| 引用本文： | 秦雨薇,万福绪.施肥对10个墨西哥柏种源幼苗生长的影响[J].林业科技开发,2012,26(5):115-119. |
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| 作者姓名： | 秦雨薇 万福绪 |
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| 作者单位： | 南京林业大学森林资源与环境学院,南京,210037 |
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| 基金项目： | 国家林业局“948”项目“墨西哥柏引种” |
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| 摘 要： | 对温室条件下的10个墨西哥柏种源幼苗进行施肥试验,并测定了其苗高、地径、叶片叶绿素含量和叶片N、P、K浓度。试验设3个处理水平:正常温室养护管理,为对照(CK);施用复合肥N、P、K质量比为1∶1∶1,总养分≥45%(T1);施用复合肥N、P、K质量比为4∶1∶1,总养分≥48%(T2);施用尿素(N 46%)(T3)。结果表明,10个墨西哥柏种源对不同施肥处理的吸收效率各不相同;施肥能显著促进墨西哥柏苗木的生长,不同施肥比例对生长指标的影响各不相同,其中T2>T3>T1;T1、T2处理水平很好的促进了叶绿素的积累,其中T1>T2,而T3对墨西哥柏叶绿素影响不显著;处理T2下的10个种源叶片N、P、K元素浓度与CK差异最显著,其次是T1、T3。
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| 关 键 词： | 墨西哥柏 施肥 苗木生长 营养元素 |
Effect of fertilization on seedings growth of provenince of Cupressus lusitanica |
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| QIN Yu-wei
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WAN Fu-xu.Effect of fertilization on seedings growth of provenince of Cupressus lusitanica[J].China Forestry Science and Technology,2012,26(5):115-119. |
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| Authors: | QIN Yu-wei WAN Fu-xu |
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| Institution: | resources and Environment Sciences,Nanjing Forestry University,Nanjing 210037,China |
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| Abstract: | A fertilization trial under greenhouse condition was conducted on 10 cultivars Cupressus lusitanica seedlings.The seedling height,ground diameter,chlorophyll content of leaves and nitrogen,phosphorus and potassium concentration in leaves were determined.The trial had 4 treatment level: Control(CK,normal greenhouse maintenance),appling compound fertilizer(N∶P∶K=1∶1∶1,total nutrient≥45%,T1),appling compound fertilizer(N∶P∶K=4∶1∶1,total nutrient≥48%T2),appling urea(N 46%,T3).The results showed that: The absorption rate of Cupressus lusitanica seedlings was different under different fertilizer treatments.Fertilizer could significantly improve seedling growth.The influence of different fertilizer ratio on seedling growth index was different(T2>T3>T1).The accumulation of chlorophyll was very well promoted by T1 and T2 treatments(T1>T2).While the effect of T3 treatment on chlorophyll was not significant.There was a significant difference between T2 treatment and CK in nitrogen,phosphorus and potassium concentrations of seedling leaves from ten cultivars.The next was T1 and T3. |
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| Keywords: | Cupressus lusitanica fertilizer application seedling growth nutrient elements |
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