Volume 28 Issue 6
Dec.  2011
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ZHANG Chun-miao, ZHANG You-zhen, YAO Fang, ZHANG Yuan-yuan, DOU Chun-ying, YE Zheng-qian, HU Guo-liang, HUANG Jian-qin. Temporal and spatial variation of soil pH and nutrient availability for Carya cathayensis orchards in Lin'an[J]. Journal of Zhejiang A&F University, 2011, 28(6): 845-849. doi: 10.11833/j.issn.2095-0756.2011.06.002
Citation: ZHANG Chun-miao, ZHANG You-zhen, YAO Fang, ZHANG Yuan-yuan, DOU Chun-ying, YE Zheng-qian, HU Guo-liang, HUANG Jian-qin. Temporal and spatial variation of soil pH and nutrient availability for Carya cathayensis orchards in Lin'an[J]. Journal of Zhejiang A&F University, 2011, 28(6): 845-849. doi: 10.11833/j.issn.2095-0756.2011.06.002

Temporal and spatial variation of soil pH and nutrient availability for Carya cathayensis orchards in Lin'an

doi: 10.11833/j.issn.2095-0756.2011.06.002
  • Publish Date: 2011-12-20
通讯作者: 陈斌, bchen63@163.com
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Temporal and spatial variation of soil pH and nutrient availability for Carya cathayensis orchards in Lin'an

doi: 10.11833/j.issn.2095-0756.2011.06.002

Abstract: Carya cathayensis (Chinese hickory) is a popular nut food tree species in China. To examine soil pH and nutrient availability changes with growing seasons as well as variation in different C. cathayensis orchards established in limestone soils,a 1-year field monitoring study was conducted from March 2007 to March 2008. Surface soil samples were collected from 21 orchards in March (before sprouting),July (fruit enlargement) and September (fruit maturity),2007,and in March (before sprouting),2008,and soil pH, available nitrogen (N),available phosphorus (P),and available potassium (K)were analyzed. Results showed ranges of 4.6-8.2 for soil pH,50.8-236.2 mgkg-1 for available N,0.5-40.6 mgkg-1 for available P,and 24.8-391.0 mgkg-1 for available K. These large ranges for the results indicated that soil properties varied greatly between orchards and changed remarkably with growth seasons as well. Furthermore,over 40% of the soils with pH below 6 and great higher soil available N than soil available P and soil available K in most of the soils indicated that acute soil acidification and imbalance of soil nutrients could be a problem due to long-term intensive management. Thus,there is an urgent need to optimize soil management of C. cathayensis orchards to improve soil conditions for sustainable production. [Ch,5 tab. 14 ref.]

ZHANG Chun-miao, ZHANG You-zhen, YAO Fang, ZHANG Yuan-yuan, DOU Chun-ying, YE Zheng-qian, HU Guo-liang, HUANG Jian-qin. Temporal and spatial variation of soil pH and nutrient availability for Carya cathayensis orchards in Lin'an[J]. Journal of Zhejiang A&F University, 2011, 28(6): 845-849. doi: 10.11833/j.issn.2095-0756.2011.06.002
Citation: ZHANG Chun-miao, ZHANG You-zhen, YAO Fang, ZHANG Yuan-yuan, DOU Chun-ying, YE Zheng-qian, HU Guo-liang, HUANG Jian-qin. Temporal and spatial variation of soil pH and nutrient availability for Carya cathayensis orchards in Lin'an[J]. Journal of Zhejiang A&F University, 2011, 28(6): 845-849. doi: 10.11833/j.issn.2095-0756.2011.06.002

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