Response of potato (Solanum tuberosum L.) to nitrogen and phosphorus fertilizers at Sekota and Lasta districts of Eastern Amhara, Ethiopia

Environmental Systems Research

Table 1 Soil sample result before planting

Sites	pH	EC	OC %	TN %	Avai.P ppm	Particle size distribution
Sites	pH	EC	OC %	TN %	Avai.P ppm	Sand %	Silt %	Clay %	Textural class
Woleh	7.6	0.13	0.43	0.04	15.45	32.66	33.65	33.69	Clay loam
Kechin Abeba	7.3	0.12	0.55	0.02	18.04	30	30	40	Clay loam

EC electrical conductivity, OC organic carbon, TN total nitrogen, Avai.P available phosphorous, ppm parts per million