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Xin Zhao, Zeyi Zhao, Fengnian Zhao, Jiangfan Liu, Zhaoyang Li, Xingpeng Wang and Yang Gao
Accurate nitrogen fertilizer management determines the yield and quality of fruit trees, but there is a lack of multispectral UAV-based nitrogen fertilizer monitoring technology for orchards. Therefore, in this study, a field experiment was conducted by ...
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Adel M. Al-Saif, Hosny F. Abdel-Aziz, Sobhy M. Khalifa, Ibrahim A. Elnaggar, Abd El-wahed N. Abd El-wahed, Mohammed H. Farouk and Ashraf E. Hamdy
Pruning is an essential practice that helps control branch growth, optimize fruit size, and enhance fruit tree productivity. This study focused on ?Valencia? orange trees, which had experienced a decline in productivity after being cultivated on reclaime...
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Zhongao Lu, Lijun Qi, Hao Zhang, Junjie Wan and Jiarui Zhou
Obtaining canopy area, crown width, position, and other information from UAV aerial images and adjusting spray parameters in real-time according to this information is an important way to achieve precise pesticide application in orchards. However, the na...
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Yaohua Hu, Huanbo Yang, Bingru Hou, Ziting Xi and Zidong Yang
Orchard plant protection machinery in China still has a low application efficiency. Air-blast sprayers represent the primary development direction of pesticide applications in orchards. The spray control parameters have to be matched to the tree canopy s...
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Marlene Ayala, Pilar Bañados, Mariana Thielemann, Román Toro
Pág. 71 - 80
In sweet cherries, accumulated nitrogen (N) stores from the previous fall support early spring growth. To complement the N supply in the soil, Chilean growers use foliar urea applications after harvest. Information on the effectiveness of foliar N applic...
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María Dolores Raffo, Rodolfo Rodríguez, Lucía Mañueco
Pág. 227 - 232
Proper sunlight distribution in the tree canopy during the fruit-bud initiation period could increase the number of fruits and the quality of fruit development in the following year. Through winter pruning, it is possible to remove all side structures de...
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Eduardo von Bennewitz, Claudio Fredes, Tomas Losak, Carolina Martínez, Jaroslav Hlusek
Pág. 339 - 344
Fruit size is a very important quality attribute in cherry trees. Appropriate canopy and crop load management are, therefore, required to obtain an adequate balance between the yield and fruit size. A study was carried out during the 2007-2008 season ...
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Hampson, C. R. Quamme, H. A. Brownlee, R. T.
Pág. 627 - 631
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