Effect of Tillage Method and Mulch Application on Growth and Yield of Green Gram in Semiarid Kenya

Table 1

Baseline of soil chemical properties in Katumani and Mwea.

KALRO Katumani; Fertility results	Value	Class	KALRO Mwea
			Value	Class
Soil Ph	6.36	slight acid	5.85	medium acid
Total nitrogen %	0.1	low	0.13	low
Total organic carbon %	0.82	low	1.45	moderate
Phosphorus ppm	150	high	15	low
Potassium ppm	84	adequate	35	low
Calcium me%	6.6	adequate	2.6	adequate
Magnesium me%	4.81	high	1	adequate
Manganese me%	0.31	adequate	0.46	adequate
Copper ppm	1.5	adequate	1.33	adequate
Iron ppm	14.3	adequate	16.6	adequate
Sodium me%	0.4	adequate	0.12	adequate