HU Yuan,PAN Cun de,CHEN Hong.Effect of Root Fertilizing with Nitrogen，Phosphorus and Potassium Fertilizers on Nut Crude Fat Content of Juglans regia ‘Xinwen 185’[J].Northern Horticulture,2015,39(12):152-155.[doi:10.11937/bfyy.201512041]
根施氮磷钾肥对“新温185号”核桃坚果粗脂肪含量的影响
- Title:
- Effect of Root Fertilizing with Nitrogen，Phosphorus and Potassium Fertilizers on Nut Crude Fat Content of Juglans regia ‘Xinwen 185’
- 文章编号:
- 1001-0009（2015）12-0152-04
- Keywords:
- Juglans regia ‘Xinwen 185’; nut; crude fat content; nitrogen fertilizer; phosphorus fertilizer; potassium fertilizer
- 分类号:
- S 664.106+.2
- 文献标志码:
- A
- 摘要:
- 以“新温185号”核桃为试材，采用“3414”肥料效应田间试验，检验根施N、P、K肥对其坚果的粗脂肪含量效应，为“新温185号”核桃生产园的施肥与土壤养分管理提供科学依据。结果表明：“新温185号”核桃坚果粗脂肪含量百分数（E%）分子的反正弦（Arcsin E）同P肥施用量（纯P2O5量，P）、P肥施用量的自乘（P×P或P2）、K肥施用量（纯K2O量，K）、K肥施用量的自乘（K×K或K2）存在极显著（P＜0.001）的线性相关关系。在中等土壤养分条件下，当P肥施用量（纯P2O5量）小于0.4840 kg/株和/或K肥施用量（纯K2O量）小于0.197 5 kg/株时，对“新温185号”核桃的坚果粗脂肪含量均存在正效应，反之则存在负效应。在新疆南疆盆地“新温185号”核桃生产园田间施肥与土壤养分管理中须根据土壤养分状况适度施用P、K肥。
- Abstract:
- Taking Juglans regia ‘Xinwen 185’ as the research object，the effects of the root fertilizing with nitrogen (N)，phosphorus (P) and potassium (K) fertilizers on nut crude fat content ofJ.regia ?‘Xinwen 185’ was tested to provide a scientific basis for field fertilizing and soil nutrient management of the walnut orchards based on ‘3414’ fertilizer.The results showed that the inverse sine of the numerator (Arcsin E) in nut crude fat content percentage (E%) of J. regia ‘Xinwen 185’ had a highly significantly linear correlation relationship (P<0.001) with the fertilizing amount of P fertilizer (pure P2O5?amount，P) and its square (P×P or P2)，K fertilizer (pure K2O，K) and its square (P×P or P2).Under the medium soil nutrient condition，if the fertilizing amount of P fertilizer (pure P2O5 amount) was less than 0.4840 kg per tree and/or the fertilizing amount of K fertilizer (pure K2O amount) was less than 0.1975 kg per tree，the fertilizer application amount had positive effects on the nut crude fat of J.regia ‘Xinwen 185’；otherwise it had negative effects.Therefore，it was essential for the appropriate fertilizing amount of N and K fertilizers based on soil nutrient status in the field soil fertilizing and soil nutrient management of J. regia ‘Xinwen 185’ orchards in the Southern Xinjiang Basin.
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备注/Memo
第一作者简介：胡渊（1988-），女，新疆库尔勒人，硕士研究生，研究方向为植物营养与生态。E-mail：kaixinhuyuan@163.com.责任作者：潘存德（1964-），男，新疆奇台人，博士，教授，博士生导师，研究方向为森林生态与经营。E-mail：pancunde@163.com.基金项目：新疆维吾尔自治区“十二五”重大科技专项资助项目（201130102-2）；新疆维吾尔自治区林业科技专项资助项目（新林计发（2014）40号）。