Breadcrumb

Agronomic Services — Soil Testing

Mehlich Buffer Acidity

**Table 3. Acidity and lime equivalent for each unit change in buffer pH**
Buffer pH	Acidity (meq/100 cm³)	Lime Equivalent (kg/hectare)	Lime Equivalent (lb/acre)	Lime Equivalent (90% CCE)
6.6	0.0	0	0	0
6.5	0.4	400	357	397
6.4	0.8	800	713	792
6.3	1.2	1200	1069	1188
6.2	1.6	1600	1426	1584
6.1	2.0	2000	1782	1980
6.0	2.4	2400	2138	2376
5.9	2.8	2800	2495	2772
5.8	3.2	3200	2851	3167
5.7	3.6	3600	3208	3564
5.6	4.0	4000	3564	3960
5.5	4.4	4400	3920	4356
5.4	4.8	4800	4277	4752
5.3	5.2	5200	4633	5148
5.2	5.6	5600	4990	5544
5.1	6.0	6000	5346	5940
5.0	6.4	6400	5702	6336
4.9	6.8	6800	6059	6732
4.8	7.2	7200	6415	7128
4.7	7.6	7600	6772	7524
4.6	8.0	8000	7128	7920
4.5	8.4	8400	7404	8227
4.4	8.8	8800	7841	8712
4.3	9.2	9200	8197	9108
4.2	9.6	9600	8554	9504
4.1	10.0	10,000	8910	9900
4.0	10.4	10,400	9266	10,295

Last Update April 24, 2013

NCDA&CS Agronomic Services Division, Colleen M. Hudak-Wise, Ph.D., Director
Mailing Address: 1040 Mail Service Center, Raleigh NC 27699-1040
Physical Address: 4300 Reedy Creek Road, Raleigh NC 27607-6465
Phone: (919) 733-2655; FAX: (919) 733-2837

How can we make this page better for you?

Back to top