Cuadro 2. Resultados del análisis de fertilidad integral del suelo en la U.P. La Esperanza
Características	P  No. 6		P  No. 11		P  No. 16a		P  No. 20		P  No. 23		P  No. 24		P  No. 34		P  No. 38		P  No. 54		P  No. 82b		P  No. 88		P  No. 89		Valor** Adecuado
	Prof (cm)		Prof (cm)		Prof (cm)		Prof (cm)		Prof (cm)		Prof (cm)		Prof (cm)		Prof (cm)		Prof (cm)		Prof (cm)		Prof (cm)		Prof (cm)
	0-20	20-40	0-20	20-40	0-20	20-40	0-20	20-40	0-20	20-40	0-20	20-40	0-20	20-40	0-20	20-40	0-20	20-40	0-20	20-40	0-20	20-40	0-20	20-40
Textura	F	FA	FA	FA	AL	FAL	FA	FA	FA	FA	FA	FA	FL	F	F	FL	FA	FAL	FAL	AL	FA	A	FA	AL
% arena	3.4	28.4	22.4	22.4	12.4	18.4	24.4	24.9	32.4	22.4	38.4	30.4	32.4	30.4	32.4	22.4	20.4	16.4	20.4	16.4	22.4	16.4	26.4	14.4	hasta 35
% limo	47.2	43.2	49.2	49.2	47.2	45.2	45.2	41.2	33.2	41.2	33.2	33.2	51.2	45.2	47.2	53.2	49.2	45.2	47.2	43.2	41.2	39.2	43.2	45.2	hasta 20
% arcilla	20.4	28.4	28.4	28.4	40.4	36.4	30.4	34.4	34.4	36.4	28.4	36.4	16.4	24.4	20.4	24.4	30.4	38.4	32.4	40.4	36.4	44.4	30.4	40.4	menor 38
Fósforo (ppm)	2	2	2	4	6	2	5	2	7	2	2	2	t	1	5	1	8	t	t	1	6	2	t	5	18-30
Potasio (ppm)	40	20	40	40	40	24	36	32	35	24	40	28	12	40	40	40	40	20	36	16	40	24	32	16	105-200
Calcio (meq/l)	4.10	4.60			1200*		3.6	2.6	3.6	8.2	6.2	7.7	1000*		3.6	5.7	1360*				10.3	21.1	5.1	11.8
Magnesio(meq/l)	1.20	2.10			299*		2.1	2.1	3.6	3.1	4.1	5.7	171*		2.1	3.08	301*				9.8	11.3	4.1	8.7
Hierro (ppm)	40		40		60		40		80		40		80		60		60		60		60		60		20-80
Manganeso (ppm)	99.1		78.8		38.7		58.7		46.4		43.8		88.2		18.7		50.4		22.4		18.7		50.6		15-100
Cobre (ppm)	4.80		4.3		4.6		4.7		5.3		5.6		5.3		5.9		7.8		6.9		5.9		6.9		3-20
Zinc (ppm)	1.5		1.3		1.3		1.4		1.3		1.2		1.7		2.1		2.5		8.6		2.1		8.6		9-36
Sulfato (meq/l)	4.7	6.3					5.5	5.9							5.9	7.8					12.7	32.8	7.2	24	1-20
Materia orgánica %	2.20	1.7	1.7	1.6	2.3	1.2	2.4	1.4	2.1	0.9	2.1	1.2	2.9	1.6	2.7	1.8	2.7	1.2	2.1	0.9	2.4	1.5	2.3	0.9	>3.3-50
pH 1:2,5	6.7	7.1	7.4	7.8	7.1	8	7.4	7.7	7.7	7.8	7.5	8	6.5	7.7	7.8	8	7	7.6	7.7	7.8	7.8	7.8	7	8	6.5-7.2
RAS	0.5	0.5					0.4	0.4	0.9	1.	1.1	1.1			0.6	1.1			1.3	1.5	1.1	2.1	1.1	1.8	<2
CE 1:5 (dS/m)	0.1	0.1	0.1	0.1	0.1	0.2	0.1	0.1	0.1	0.2	0.2	0.2	0.1	0.1	0.1	0.1	0.1	0.3	0.2	0.5	0.4	0.7	0.2	0.6	0.2-0.46
CIC (meq/100s)	32.6						33.7								35.9						39.1		38.0		>20
Ca (meq/100g)							31.9								34.3										10-20
Mg (meq/100g)							1.1								0.7										3-7
K (meq/100g)							0.3								0.3										1-2
Na (meq/100g)							0.4								0.6
NOTA: C.E = Conductividad eléctrica. RAS = Relación de adsorción de sodio. C.I.C = Capacidad de intercambio cationico. * = Expresado en ppm. ** = Valores adecuados según Chapman y Pratt (1961) Quiñónez (1991); Zérega (1995); Zérega y Hernández (1998).