Table 2 The status of Hanwoo breeding and the concentrations of nutrients in manure and compost from 40 farms
The number of heads per farm | 10 ~ 220 (Average 60.5) | ||
|---|---|---|---|
Daily manure production (kg/head) | Aa | B | |
16.8 ± 3.1 | 13.7 | ||
The number of bedding exchanges (turn/year) | 0 ~ 12 | ||
Daily compost production (kg/day) | 25 ~ 1078 | ||
Concentrations of nutrient in manure (g/kg) | Concentrations of nutrient in compost (g/kg) | ||
Aa | B | ||
Volatile solids | 41.3 ± 19.2 | 27.1 | 180.3 ± 82.4 |
Total nitrogen | 8.1 ± 2.6 | 8.5 | 12.7 ± 4.7 |
Total phosphorus | 1.7 ± 0.9 | 2.6 | 4.8 ± 2.2 |