
فایل ممکن است بخاطر نمایش در سایت بهم ریختگی داشته باشد.
پاورپوینت Stored Food Pests- Stored Food Pests
فرمت: پاورپوینت ( ppt)
حجم: 2 مگابایت
-
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