Bird damage to wine grapes in central California, 1973
نام عام مواد
[Article]
نام نخستين پديدآور
DeHaven, Richard W.
یادداشتهای مربوط به خلاصه یا چکیده
متن يادداشت
Bird damage to wine grapes was surveyed in nine counties in the coastal area of central California in 1973. Damage to 90 bunches of grapes in each of 140 randomly selected plantings was visually estimated according to seven damage classes. Results indicated that birds damaged or destroyed 1.99%± 1.08% (95% confidence interval) of the crop, or about 1,547 to 5,219 tons of grapes worth more than
مجموعه
تاريخ نشر
1974
عنوان
Proceedings of the Vertebrate Pest Conference
شماره جلد
6
نام شخص به منزله سر شناسه - (مسئولیت معنوی درجه اول )