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Table 1 Soil chemical properties before the experiment

From: Low cost maize stover biochar as an alternative to inorganic fertilizer for improvement of soil chemical properties, growth and yield of tomatoes on degraded soil of Northern Uganda

Parameters

Soil before experiment

pH

5.40

EC (dS m−1)

0.07

Total carbon (%)

1.40

Nitrogen (%)

0.13

Phosphorus (mg/kg)

6.50

Potassium (m/kg)

140.4

Calcium (mg/kg)

880.0

Magnesium (mg/kg)

253.2

Sand (%)

64

Clay (%)

21

Silt (%)

15

Texture

Sandy clay loam

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BMC Plant Biology

ISSN: 1471-2229

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