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Table 4 Pearson's correlation coefficients of soil properties with green leaf element concentrations, and nutrient resorption efficiency (n = 4)

From: Grazing exclusion had greater effects than nitrogen addition on soil and plant community in a desert steppe, Northwest of China

 

TN

TP

pH

EC

SWC

L. ruthenicum

 Leaf N

0.537**

-

-0.423*

-0.484**

-0.075

 Leaf P

-

-0.118

-0.387*

-0.382*

-0.076

 NRE

0.170

-

0.058

0.100

0.290

 PRE

-

-0.090

-0.563*

0.127

-0.076

A. sparsifolia

 Leaf N

0.731**

-

-0.659**

-0.373*

-0.028

 Leaf P

-

0.108

-0.444*

-0.186

0.145

 NRE

0.109

-

-0.179

0.340

-0.031

 PRE

-

-0.179

0.059

0.026

-0.217

  1. Note: TN and TP, soil total nitrogen and phosphorus. EC electrical conductivity, SWC soil water content, NRE and PRE nitrogen and phosphorus resorption efficiency. * P < 0.05; ** P < 0.01
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BMC Plant Biology

ISSN: 1471-2229

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