Growth, Nitrogen and Phosphorus Uptake of Sorghum Plants as Affected by Green Manuring with Pea or Faba Bean Shell Pod Wastes Using 15N

Table 8: Proportions (%) and amounts (mg N pot^-1) of nitrogen derived from fertilizer (Ndff), soil (Ndfs), and green manure (Ndf_gm) in different plant parts of sorghum as affected by green manuring with faba bean pod shell wastes (FGM).

Treatment	Panicles		Roots		Leaves		Whole Plant
	Ndff
	mg	%	mg	%	mg	%	mg	%
FGM₀	2.7±0.1^a	7.93±0.05^a	1.26±0.02^c	5.55±0.05^a	9.3±0.13^a	8.26±0.05^a	13.2±0.20^a	7.83±0.04^a
FGM₅₀	2.0±0.1^c	4.43±0.05^b	1.11±0.03^d	3.93±0.04^b	7.0±0.26^c	5.34±0.06^b	10.1±0.32^c	4.94±0.05^b
FGM₁₀₀	2.7±0.02^a	3.77±0.04^c	1.56±0.03^b	3.64±0.07^c	7.3±0.30^c	4.28±0.07^c	11.6±0.32^b	4.06±0.06^c
FGM₁₅₀	2.3±0.06^b	3.27±0.04^d	1.77±0.07^a	3.25±0.08^d	8.2±0.07^b	3.72±0.05^d	12.26±0.07^b	3.56±0.02^d
LSD _0.05	0.24	0.13	0.13	0. 19	0.65	0.17	0.78	0.14
	Ndfs
FGM₀	31.3±1.0a	92.07±0.05^a	21.4±0.35^c	94.45±0.1^a	103.0±1.0^a	91.74±0.05^a	155.7±1.51^a	92.17±0.04^a
FGM₅₀	22.7±1.30^c	51.49±0.55^b	19.0±0.46^d	66.89±0.6^b	78.1±2.9^c	59.22±0.66^b	118.9±3.81^c	58.20±0.58^b
FGM₁₀₀	31.4±0.25^a	43.78±0.44^c	26.5±0.53^b	61.94±1.3^c	81.3±3.3^c	47.55±0.72^c	136.3±3.77^b	47.76±0.71^c
FGM₁₅₀	26.9±0.64^b	37.99±0.48^d	30.1±1.14^a	55.4±1.27^d	90.4±0.7^b	41.33±0.53^d	144.0±0.82^b	41.85±0.23^d
LSD _0.05	2.75	1.32	2.12	2.89	6.99	1.71	8.67	1.48
	Ndf_gm
FGM₀	-	-	-	-	-	-	-	-
FGM₅₀	19.4±1.12^c	44.07±0.59^c	8.3±0.41^c	29.2±0.60^c	46.7±0.62^c	35.45±0.72^c	75.2±0.42^c	36.86±0.63^c
FGM₁₀₀	37.6±0.86^b	52.46±0.50^b	14.7±0.61^b	34.4±1.33^b	82.2±1.17^b	48.16±0.79^b	137.5±0.88^b	48.18±0.77^b
FGM₁₅₀	41.6±1.23^a	58.74±0.53^a	22.5±0.63^a	41.4±1.34^a	120.3±2.33^a	54.95±0.58^a	187.8±1.87^a	54.59±0.31^a
LSD _0.05	3.46	1.71	1.80	3.66	4.95	2.24	3.89	1.93

Note: Means within a column followed by the same letter (a,b,c and d) are not significantly different (P<0.05). FGM₀: control, no green manure; FGM₅₀, FGM₁₀₀, and FGM₁₅₀: faba bean pod shells added as GM at rates of 50, 100, and 150 kg N ha^-1, respectively.