Nutrient Budget and Economic Assessment of Blended Fertilizer Use in Kenya Tea Industry

Table 3

Apparent nutrient budget of standard NPK in Timbilil and Kagochi.

Site	NPK input as fertilizer (kg·ha^−1)			Yield (kg·Mt·ha^−1·yr^−1)	Mean NPK content in 2L + B (%)			Gross NPK removed through harvest (kg·ha^−1)			Nutrient budget (input as fertilizer and output as harvest) (kg·ha^−1)
	N	P2O5	K2O		N	P	K	N	P2O5	K2O	N	P2O5	K2O
Timbilil	0	0	0	2132	4.67	0.466	2.15	100	23	55	−100	−23	−55
	75	15	15	2329	4.84	0.478	2.29	113	25	64	−38	−11	−50
	150	30	30	2679	4.97	0.48	2.31	133	30	75	17	−1	−46
	225	45	45	3099	4.86	0.509	2.41	151	37	90	74	6	−47
Kagochi	0	0	0	1683	4.53	0.497	2.32	79	18	47	−79	−18	−47
	75	15	15	1781	4.44	0.482	2.36	86	21	51	−11	−7	−37
	150	30	30	1810	4.54	0.454	2.26	90	18	49	60	11	−20
	225	45	45	1800	4.61	0.457	2.27	87	18	49	138	25	−6

“−” denotes a negative value.