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Table 1 Chemical and physical characteristics of the farm (0–30 cm) prior to the experimental study

From: Rice straw biochar and NPK minerals for sustainable crop production in arid soils: a case study on maize-wheat cropping system

Properties

Values

Properties

Values

pH

7.51

Particle size distribution

 

EC, dS m−1

1.10

Sand, %

4.9

CEC, cmolc kg−1

24.80

Silt, %

21.4

Organic carbon, g kg−1

8.50

Clay, %

73.7

Available N, mg kg−1

20.80

Texture

Clay

Available P, mg kg−1

8.90

Bulk density, Mg m−3

1.40

Available K, mg kg−1

116.50

  
  1. pH was determined in 1:2.5 (soil: water) suspension, EC was measured in the saturation paste extract