|Table of Contents|

Study on Diagnosis and Recommendation Integrated System Norms Based on Leaves Nutrition Analysis of Korla Fragrant Pear(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年02期
Page:
29-33
Research Field:
Publishing date:

Info

Title:
Study on Diagnosis and Recommendation Integrated System Norms Based on Leaves Nutrition Analysis of Korla Fragrant Pear
Author(s):
CHAI Zhong- ping1; WANG Xue- mei2; CHEN Bo- lang1; SHENG Jian- dong1; MENG Ya- bin1; LIU Mao1; LI Shan- shan1
1.College of Pratacultural and Environmental Science，Xinjiang Agriculture University，Urumqi，Xinjiang 830052；
2.College of Geography Science and Tourism，Xinjiang Normal University，Urumqi，Xinjiang 830054
Keywords:
Korla fragrant pear; nutrient diagnosis; DRIS; DRIS standard
PACS:
S 661.2
DOI:
-
Abstract:
Taking leaves of Korla fragrant pear in low yield orchard and high yield orchard as materials，with a Diagnosis and Recommendation Integrated System，content of leaf nutrition were determined and analyzed，in order to establish nutrition diagnosis indices of Korla fragrant pear for the purpose of guiding fertilization scientifically.The results showed that，N/Mg，N/Mn，N/Cu，P/Mg，P/Fe，P/Mn，P/Cu，K/Mn，K/Cu，Ca/Mg，Ca/Mn，Ca/Cu，Mg/Fe，Mg/Cu，Mg/Zn，Fe/Mn，Fe/Cu，Fe/Zn，Mn/Zn and Cu/Zn were selected as the DRIS parameters of nutrition diagnosis for Korla fragrant pear，and DRIS norms for nutrient diagnosis were put forward.Through the DRIS index calculation，the nutrient balance level of 20- year- old of Korla fragrant pear in low yield orchard was low.The order of nutrient requirement was P>N>Ca>K>Zn>Fe>Mg>Mn>Cu.

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Last Update: 2014-08-09