论文部分内容阅读
4 摘袋4.1 摘袋时期红富士品种摘外袋时间大约在采前12~18 d(天)。为减少果面损害,上色快的陕西渭北地区,也可适当提前到采前15d(天)左右进行。摘袋最好选择阴天或多云天进行,若晴天摘袋应在早晨9:00~11:00或下午3:00~6:00进行。4.2 摘袋方法摘除双层袋时,先摘除外层袋,保留内层袋,外袋摘后3~5 d(天)(必须相隔3个晴天)后再摘除内层袋。摘袋时一手托住果,一手解袋口扎丝,然后从上到下撕除外袋,不能贪图省工,内外袋一次性摘除。晴天上午8:00~10:00先摘除冠西、冠北和冠下果袋,下午3:00~6:00摘除冠东、冠南和冠顶的果袋,避免除袋后果实立即受到日光照射而发生日烧。阴天可突击除袋,风雨天不可除袋。为保证采收时着色深浅一致,可先除内膛和冠下的内袋,然后再除外围和冠顶的内
4 pickpockets 4.1 pick the red Fuji pick the bag during the time about 12-18 days before harvest (days). In order to reduce fruit damage, the fast-coloring Shaanxi Weibei area may also be appropriately advanced to 15d (days) before harvesting. Picked the best cloudy or cloudy days to choose the bag, if the sunny day bag should be in the morning 9: 00 ~ 11: 00 or 3: 00 ~ 6: 00 pm. 4.2 Methods of removing the bag When removing the double-layer bag, first remove the outer bag, keep the inner bag, pick the outer bag 3 ~ 5 d (days) (must be separated by 3 sunny days) and then remove the inner bag. Pick up the bag in one hand and hold the fruit, one hand to solve the bag tied wire, and then tear the outer bag from top to bottom, can not be greedy labor-saving, one-time removal of internal and external bags. Sunny day 8: 00 ~ 10: 00 first remove the crown of the West, the crown of the North and under the bag, afternoon 3: 00 ~ 6: 00 removal of the crown East, crown South and the crown of the bag, to avoid the bag immediately after the fruit was removed Daylight burning occurs on the sun. Cloudy day can surprise bags, rainy days can not remove the bag. In order to ensure consistency when shading harvesting, in addition to the inner and the crown under the bag, and then in addition to the outer and crown within