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矮化密植苹果树的冬季修剪技术 被引量:1

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摘要 对矮化密植苹果园,若仍采用稀植大冠的整形修剪方法,就难以发挥矮化苹果早结果、早丰产的优势。现就如何适应苹果矮化密植栽培的特点,谈谈冬季修剪措施。1树体结构苹果矮化密植园必须充分利用上方空间,使其尽量高而细。株行距2m×4m的果园,宜采用“自由纺锤形”...
机构地区 南皮县林业局
出处 《河北林业科技》 北大核心 1999年第1期51-51,53,共2页 Journal of Hebei Forestry Science and Technology
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  • 1刘秀娟,周宏平,郑加强.农药雾滴飘移控制技术研究进展[J].农业工程学报,2005,21(1):186-190. 被引量:76
  • 2徐伟忠,曾凡清,朱丽霞.一种新型的桃树栽培模式——草地桃园[J].广西农学报,2006,21(3):36-42. 被引量:2
  • 3Sumner P E, Sumner S A. Comparison of new drift reduction nozzles [R]. Toronto: ASAE/CSAE-SCGR Annual International Meeting, 1999.
  • 4Tsay J, Fox R D, Ozkan H E, et al. Evaluation of a pneumatic-shielded spraying system by CFD simulation [J]. Transactions oftheASAE, 2002, 45 (1): 47-54.
  • 5Bode L E. Downwind drift deposits by ground applications [A]. Proceedings of the pesticide drift management symposium [C]. Brookings: South Dakota State University, 1984: 50.
  • 6Derksen R C, Krause C R, Fox R D, et al. Spray delivery to nursery trees by air curtain and axial fan orchard sprayers [J]. Journal of Environmental Horticulture, 2004, 22 ( 1 ): 17-22.
  • 7Derksen R C, Krause C R, Fox R D, et al. The effect of application variables on spray retention, coverage, and ground losses in nursery tree applications [J]. Journal of Environmcntal Horticulture, 2006, 24 (1): 45-52.
  • 8Moor A De, Langenakens J, Vereecke E. Image analysis of water sensitive paper as a tool for the evaluation of spray distribution of orchard sprayers [J]. Aspects of Applied Biology, 2000, 57.
  • 9Moor A De, Langenakens J, Vereecke E. Relation between the vertical spraying distribution and the air pattern of orchard sprayers [R]. Toronto: ASAE/CSAE-SCGR Annual International Meeting, 2000.
  • 10Rocamora M C, Val L, Perez M. Modelling the performance of air-assisted spraying on artichoke[J]. Biosystems Engineering, 2002, 81 (4): 385-393.

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