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

Table 1

Nitrate-nitrogen levels in 2004.

River	First application		Second application
	Before	After	Before	After
Mogobich	0.5	0.8	1.0	0.1
Temochewa	1.3	1.3	1.1	0.3
Kapsumbeiwa	1.1	1.4	1.0	0.2
Kibabet 1	1.4	1.0	1.0	0.9
Kamasai	0.3	0.3	0.4	0.0
Kibabet 2	0.5	0.3	0.4	0.1
Mokong	1.4	1.6	1.3	0.6
Kirondio	2.6	2.4	3.0	1.6
Kimutein	2.4	1.9	2.2	1.1
Kamng'oriom	2.0	1.8	2.0	0.9
Means	1.4	1.3	1.3	0.6