Table 1 Average of measured soil characteristics within the farms across our four subgroups. Standard deviation is within parentheses.

From: Soil and cherry bacterial communities predict flavor on coffee farms

 

Soil characteristics

Shade + quality farms

Shade + no quality farms

Sun + quality farms

Sun + no quality farms

Ca (ppm)

1026 ± (1053)

640 ± (399)

552 ± (276)

916 ± (369)

Mg (ppm)

134 ± (144)

70 ± (34.3)

52 ± (23.9)

99 ± (59.4)

B (ppm)

1 ± (0.1)

0.8 ± (0.2)

0.7 ± (0.1)

0.7 ± (0.2)

Fe (ppm)

550 ± (547)

239 ± (197)

392 ± (386)

440 ± (324)

K (ppm)

180 ± (121)

82 ± (55)

67 ± (31)

73 ± (40)

Zn (ppm)

6 ± (4)

16 ± (11)

6 ± (3)

10 ± (5)

P (ppm)

40 ± (40)

10 ± (5)

13 ± (8)

8 ± (3)

Min N (kg N/ha)

34 ± (15)

32 ± (17)

49 ± (15)

49 ± (31)

Microbial Biomass (mg/kg)

1389 ± (680)

1218 ± (511)

1962 ± (722)

1904 ± (1150)

Organic Matter (%)

12 ± (3)

11 ± (5)

10 ± (4)

10 ± (4)

C.E.C. (meq/100 g)

10 ± (7)

8 ± (3)

7 ± (2)

11 ± (4)

Solvita Index Score

42 ± (12)

37 ± (14)

50 ± (11)

47 ± (17)

Soil Respiration (mg/kg)

62 ± (31)

54 ± (23)

88 ± (33)

85 ± (52)

C: N Ratio

12 ± (1)

12 ± (2)

12 ± (1)

12 ± (1)

pH

5 ± (0.4)

5 ± (0.2)

5 ± (0.2)

5 ± (0.4)

Silt (%)

31

30

27

26

Clay (%)

11

13

9

8

Sand (%)

58

56

64

66

Base saturation (%)

47 ± (5)

40 ± (11)

37 ± (11)

47 ± (5)