Nutrient Uptake and Efficiencies of Orange-Fleshed Sweet Potato (Ipomoea batatas L.) Varieties under Different Rates of Nitrogen and Phosphorus Fertilizers

Table 2

Interaction effect of nitrogen and phosphorus fertilizers on the concentration of total nitrogen (%) and available phosphorus in the soil after harvest in 2019/2020.

Variety	Nitrogen (kg·ha^−1)	Phosphorus (P2O5 kg·ha^−1)	Total N (%)	Available P (ppm)
Kulfo	0	0	0.115^ef	4.26^r
		46	0.171^a–d	7.64^no
	23	0	0.117^def	9.79^h
		46	0.174^abc	12.91^b
	46	0	0.159^a–e	8.58^klm
		46	0.135^a–e	9.75^hi
Kabode	0	0	0.162^a–e	9.28^hij
		46	0.172^a–e	8.16^mn
	23	0	0.169^a–e	7.66^no
		46	0.173^a–d	9.37^hij
	46	0	0.145^a–e	12.26^cde
		46	0.167^a–e	12.85^bc
Alamura	0	0	0.146^a–e	5.60^q
		46	0.161^a–e	9.17^ij
	23	0	0.156^a–e	11.10^g
		46	0.175^a–d	11.54^fg
	46	0	0.172^a–e	12.15^de
		46	0.132^bf	13.68^a
Dilla	0	0	0.117^c–f	11.79^ef
		46	0.149^a–e	12.24^de
	23	0	0.134^a–e	12.57^bcd
		46	0.159^a–e	13.52^a
	46	0	0.117^c–f	5.98^q
		46	0.131^b–e	9.01^jkl
NASPOT-12	0	0	0.152^a–e	6.79^p
		46	0.176^ab	7.36^op
	23	0	0.159^a–e	8.16^mn
		46	0.131^a–e	9.17^ijk
	46	0	0.147^a–e	8.55^lm
		46	0.177^a	7.93^no
SE±			0.011	0.58

Means following identical columns with the same letter (s) do not substantially differ from one another. This is the standard error of the means. It indicates the deviation of the values of the observations in different replications.