Which one of the following pair is mismatched?
(a) L value: Larsen
(b) Integrated soil test approach: Colwell
(c) Biogas: Desai
(d) Law of limiting factor: Lundegardh
(a) L value: Larsen
(b) Integrated soil test approach: Colwell
(c) Biogas: Desai
(d) Law of limiting factor: Lundegardh