ش | ی | د | س | چ | پ | ج |
1 | 2 | |||||
3 | 4 | 5 | 6 | 7 | 8 | 9 |
10 | 11 | 12 | 13 | 14 | 15 | 16 |
17 | 18 | 19 | 20 | 21 | 22 | 23 |
24 | 25 | 26 | 27 | 28 | 29 | 30 |
بخشی از متن:
دانلود پاورپوینت آفات مواد غذایی انبار شده زبان انگلیسی ۶۰ اسلاید
Stored food pests
•80% of human food comes from grains
•12% of harvest is lost to insects before harvest
•another 36% is lost after harvest to insects
•overall total food losses due to pests are about 50% destruction
Two Pest Categories
•Primary – Cause initial injury
•Secondary – Take advantage of injury