【摘要】 春季果园晚霜冻害是影响北方果园产量和品质的主要因素之一。该文分析了果树生理冻害原因、症状,并从农业、物理、化学防御措施等几个方面进行了阐述,以期为果园早春冻害防御和进一步研究提供参考。更多还原

【Abstract】 The frozen disaster in spring is one of the main factors affecting the yield and quality of the orchards in north of China. In this paper, the causes and symptoms of fruit physiological freezing injury were analyzed, and the countermeasures of agriculture, physics and chemistry were expounded, so as to provide reference for the prevention and further research of early spring freezing injury in orchards.更多还原