Tropical Legume Crop Rotation and Nitrogen Fertilizer Effects on Agronomic and Nitrogen Efficiency of Rice

Table 4

Nitrogen recovery efficiency of bush bean, long bean, mung bean, and winged bean as affected by nitrogen fertilizer.

Nitrogen	Nitrogen recovery efficiency (%)
(g/m^2)	Bush bean		Long bean		Mung bean		Winged bean
2010	2010	2011	2010	2011	2010	2011	2010	2011
0	0.0^c	0.0^c	0.0^c	0.0^c	0.0^c	0.0^d	0.0^d	0.0^d
2	14.0^b	18.0^a	15.0^b	13.0^b	19.5^a	19.5^a	15.5^a	29.0^a
4	16.3^a	15.3^b	17.0^a	15.5^a	16.5^b	16.0^b	14.5^b	20.5^b
6	14.8^b	14.8^b	15.7^b	14.8^a	15.7^b	15.0^c	11.2^c	19.5^c

Means followed by the same letters are not significantly different for each treatment mean (𝑃<0.05).