| 红锥幼树配方施肥效应分析 |
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| 引用本文： | 李宝福,朱炜,李莹.红锥幼树配方施肥效应分析[J].贵州大学学报(农业与生物科学版),2016(1):23-28. |
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| 作者姓名： | 李宝福 朱炜 李莹 |
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| 作者单位： | 福建省林业科学研究院，福建 福州，350012 |
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| 基金项目： | 福建省发改委农业“五新”项目?红锥壮苗繁育与优质用材林定向培育技术示范推广》(闽财指[2012]951)；福建省林业科技计划项目?红锥壮苗繁育与丰产林培育技术规程》(闽林科[2015]1号)。 |
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| 摘 要： | 采用正交设计,对红锥幼树开展N、P、K、B、Zn肥多元素组合田间施肥试验,结果表明,配方施肥对促进红锥幼树的生长是很有效的,氮肥单施有显著促生长效应,而其它养分单因素效应不显著,但磷与硼、钾与锌互作对产量有极显著的正效应,体现了多元素配方施肥的意义;肥料效应回归分析得出幼树最优养分施用量及配比为:每株N 29.4 g,P_2O_554.0 g,K_2O 45.0 g,B 2.25 g,Zn 3.15 g,配比N∶P_2O_5∶K_2O∶B∶Zn=1.0∶1.8∶1.5∶0.1∶0.1。采用该施肥配方,施肥后1年树高生长量可达119 cm以上,通过合理配方施肥能有效促进红锥幼树生长。
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| 关 键 词： | 红锥 幼树 配方施肥 |
Effectof formulated fertilizer on the saplings of Castanopsis hystrix [ Fagales:Fagaceae] |
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| Abstract: | A field fertilization experiment was carried out to study the effect of multi-element combination of N, P, K, B, Zn fertilizer on the saplings of Castanopsis hystrix Fagales: Fagaceae ] based on the orthogonal design. The results showed that the formulated fertilizer was very effective to promote the growth of Castanopsis hystrix saplings. Application of N fertilizer alone could significantly promote the growth, but the effect of individual applications of other nutrients was not significant. The interaction of P and B fertilizer, and that of K and Zn fertilizer had significant positive effect on yield, re﹣flecting the significance of multi-element formula fertilization. The regression analysis of fertilizer effect indicated that the optimal fertilizer nutrient application rate and ratio per plant sapling are:N 29.4 g, P2O5 54.0 g, K2O 45.0 g, B 2.25 g, Zn 3.15 g, and N ∶ P2O5 ∶ K2O ∶ B ∶ Zn = 1.0 ∶ 1.8 ∶ 1.5 ∶ 0.1 ∶ 0.1, respectively. Using this formula, the height of the tree could reach more than 119 cm after 1 year of fertilization. The study proved that appropriately formulated fertilizer could effectively promote the growth of Castanopsis hystrix saplings. |
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| Keywords: | Castanopsis hystrix saplings formulated fertilizer |
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