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#30 |
Yeni Üye
Giriş Tarihi: 23-02-2011
Şehir: Manisa
Mesajlar: 15
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Merhaba, Bu konuyla ilgili 2000 ylında ABD'de yazılmış bir makale bulunmakta. Kısaca %2-3 tozlayıcı yeterli diyorlar. Pollination of English Walnuts: Practices and Problems Local experience with walnut pollination As has been noted, the need for pollinizers may vary depending on location. In the southern San Joaquin Valley, ‘Chandler’ losses due to PFA were generally greater than were losses due to lack of pollination. This generally was not the case in the northern San Joaquin and Sacramento Valleys, where it was difficult to correlate PFA with distance from the pollinizer row, but drop due to lack of pollination was sometimes noted. In general, recommendations for pollinizers have been reduced in recent years and are currently between 2 and 3% pollinizers depending on the factors listed above. |
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