Skip to main content

Table 2 Chemical and physical properties of soil (0–20 cm depth) in study sites

From: Morphological characterization and yield of pepper (Piper nigrum L.) types grown in Morogoro District, Tanzania

Soil property

Optimum value

Farm 1

Farm 2

Farm 3

Chemical properties

 pH

4.75–6.25

5.95MA

6.09SLA

6.25SLA

 OC

2.0–7.5%

2.78OP

2.45OP

2.33OP

 Tot. N

0.2–0.5%

0.19L

0.17L

0.22OP

 Bray P

12–96 ppm

10.20L

11.45L

11.28L

 Exch. K+

91–286 ppm

0.22D

0.85D

0.81D

 Exch. Ca2+

61–139 ppm

0.59D

0.80D

0.60D

 Exch. Mg2+

40–194 ppm

0.95L

1.50L

1.10L

 DTPA Fe

12–65 ppm

81.19H

38.20OP

37.10OP

 DTPA Mn

5–35 ppm

62.39H

57.26H

56.29H

 DTPA Zn

2.1–7.0 ppm

4.43OP

3.32OP

2.96OP

 DTPA Cu

0.51–7.7 ppm

1.56OP

2.81OP

3.52OP

Physical properties

 Soil particle size density (P.S.D)

%Clay

39.2

37.2

39.22

%Silt

10.82

9.82

9.82

%Sand

49.96

52.96

50.96

Texture class

Sandy clay

Sandy clay

Sandy clay

  1. L, low; H, high; D, deficient and OP, optimum Srinivasan et al. (2007). MA, moderately acidic and SLA, slightly acidic (Landon 1991)