论文部分内容阅读
我国是世界上梨生产大国,栽培面积和产量均居世界首位。在国内,梨的产量仅次于苹果和柑桔,居第三位。梨的生产在某些地方的经济中占有相当重要的地位。梨果营养丰富,汁多、味甜、肉脆,并有一定的医疗保健作用。随着人民生活水平不断提高,消费者对梨果品质不断提出新的要
China is the largest producer of pear in the world, with the cultivated area and output ranking first in the world. In China, the output of pears ranks third only to that of apples and oranges. Pear production occupies a very important place in the economy of some places. Pear nutritious, juicy, sweet, crisp, and have some health care. With the continuous improvement of people’s living standards, consumers constantly put forward new demands on the quality of pears