Impact of Nitrogen Fertilizer Applications on Surface Water Nitrate Levels within a Kenyan Tea Plantation

Table 3

Nitrate-nitrogen levels in 2006.

River	First application		Second application
	Before	After	Before	After
Mogobich	0.6	1.3	5.7	2.8
Temochewa	3.4	3.0	2.2	1.3
Kapsumbeiwa	1.1	1.3	2.3	1.7
Kibabet 1	1.1	2.3	1.6	1.6
Kamasai	0.6	0.9	0.2	0.1
Kibabet 2	0.2	0.8	0.4	0.4
Mokong	2.1	3.6	1.6	1.3
Kirondio	4.8	4.6	2.9	2.5
Kimutein	2.6	3.4	2.2	2.1
Kamng'oriom	1.9	2.1	1.8	1.8
Means	1.8	2.3	2.1	1.6