1 Chapter 6 Microbial Growth Microbial Growth
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Chapter 6: Microbial Nutrition and Growth
mymission.lamission.eduRequirements for Growth Physical Requirements 2. pH: Most bacteria prefer neutral pH (6.5-7.5). Molds and yeast grow in wider pH range, but prefer pH between 5 and 6. Acidity inhibits most microbial growth and is used frequently for food preservation (e.g.: pickling). Alkalinity inhibits microbial growth, but not commonly used for food preservation.
Methods of Culturing Chapter 3 Microorganisms
www2.nau.edu1 1 Chapter 3 2 Methods of Culturing Microorganisms 3 Five basic techniques 4 Fig. 3.1 A summary of the general laboratory techniques . 1. Inoculate 2. Incubate 3. Isolation 4. Inspection 5. Identification 5 Fig. 3.2 Isolation technique 6 Fig. 3.3 Methods for isolating bacteria.
Chapter 2 Composting - USDA
www.nrcs.usda.gov(210-VI-NEH, February 2000) 2–1 Part 637 National Engineering Handbook Chapter 2Chapter 2 CompostingComposting 637.0200 Introduction (a) Definition of composting Composting is the controlled aerobic biological de-composition of organic matter into a stable, humus-like product called compost. It is essentially the same