Foliar nutrient analysis of<em> Pyrus pyrifolia</em>`Whangkeumbae and recommended fertilizer rates

ZHOUJian; YUAN De-yi; ZHANG Lin; LI You-wu

Volume 24 Issue 1

Feb. 2017

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ZHOUJian, YUAN De-yi, ZHANG Lin, LI You-wu. Foliar nutrient analysis of Pyrus pyrifolia`Whangkeumbae and recommended fertilizer rates[J]. Journal of Zhejiang A&F University, 2007, 24(1): 39-43.

Citation:

ZHOUJian, YUAN De-yi, ZHANG Lin, LI You-wu. Foliar nutrient analysis of Pyrus pyrifolia`Whangkeumbae and recommended fertilizer rates[J]. Journal of Zhejiang A&F University, 2007, 24(1): 39-43.

Foliar nutrient analysis of Pyrus pyrifolia`Whangkeumbae and recommended fertilizer rates

1.
Horticulture Department, Henan Institute of Science and Technology, Xinxiang 453003, Henan, China;
2.
The Key Laboratory of Non-wood Forest Products of the Forestry Ministry, Central South University of Forestry and Technology, Changsha 410004, Hunan, China;
3.
Forest Enterprise of Hanshou County, Hanshou 415900,Hunan, China

Funds:

湖南省林业科技重点资助项目(01-18);河南科技学院重点科研项目(040112)

Received Date: 2006-02-22
Rev Recd Date: 2006-08-29
Publish Date: 2007-02-20

Abstract

To determine nutrient uptake patterns of Pyrus pyrifolia`Whangkeumbae(pear) and recommend fertilization, a foliar nutrient analysiswas conducted on trees with different fertilizer treatments using the Kjeldahl and Vanadomolybdate yellow colorimetric methods aswell as atomic absorption spectrometry. The results show that with an increase of foliar nutrients: (1)fruit yield increased when nitrogen(N)is 18.15- 26.85 mgg- 1,phosphorus(P)is 1.11- 2.59 mgg- 1, and kalium(K)is 7.18- 16.70 mgg- 1, and(2) soluble solids significantly increase whenN ranged from18.15- 24.43 mgg- 1, Pfrom1.07- 2.75 mgg- 1, and K from 6.88- 17.26 mgg- 1. The critical values from the foliar nutrient analysiswere N, 18.31- 26.85 mgg- 1; P, 1.11- 2.59 mgg- 1; and K, 7.29- 19.62 mgg- 1. Thus, the appropriate fertilization rate for this tree is 225.31 gm- 2 of urea, 99.06 gm- 2 of superphosphate, and 220.97 gm- 2 of potassium sulphate.[Ch, 2 fig. 3 tab.10 ref.]
- horticulture,
- Pyrus pyrifolia`Whangkeumbae,
- nutrition diagnosis,
- recommended fertilizer rates

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Foliar nutrient analysis of Pyrus pyrifolia`Whangkeumbae and recommended fertilizer rates

1. Horticulture Department, Henan Institute of Science and Technology, Xinxiang 453003, Henan, China;

2. The Key Laboratory of Non-wood Forest Products of the Forestry Ministry, Central South University of Forestry and Technology, Changsha 410004, Hunan, China;

3. Forest Enterprise of Hanshou County, Hanshou 415900,Hunan, China

Funds:

湖南省林业科技重点资助项目(01-18);河南科技学院重点科研项目(040112)

Received Date: 2006-02-22

Rev Recd Date: 2006-08-29

Publish Date: 2007-02-20

Key words:

Abstract: To determine nutrient uptake patterns of Pyrus pyrifolia`Whangkeumbae(pear) and recommend fertilization, a foliar nutrient analysiswas conducted on trees with different fertilizer treatments using the Kjeldahl and Vanadomolybdate yellow colorimetric methods aswell as atomic absorption spectrometry. The results show that with an increase of foliar nutrients: (1)fruit yield increased when nitrogen(N)is 18.15- 26.85 mgg- 1,phosphorus(P)is 1.11- 2.59 mgg- 1, and kalium(K)is 7.18- 16.70 mgg- 1, and(2) soluble solids significantly increase whenN ranged from18.15- 24.43 mgg- 1, Pfrom1.07- 2.75 mgg- 1, and K from 6.88- 17.26 mgg- 1. The critical values from the foliar nutrient analysiswere N, 18.31- 26.85 mgg- 1; P, 1.11- 2.59 mgg- 1; and K, 7.29- 19.62 mgg- 1. Thus, the appropriate fertilization rate for this tree is 225.31 gm- 2 of urea, 99.06 gm- 2 of superphosphate, and 220.97 gm- 2 of potassium sulphate.[Ch, 2 fig. 3 tab.10 ref.]

Foliar nutrient analysis of Pyrus pyrifolia`Whangkeumbae and recommended fertilizer rates

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