所谓果树的“大小年”，顾名思义，就是指相邻两个年份，头一年结果多，第二年结果很少甚至根本不结果的现象。因此，“大小年”又称为“隔年结果”。树种不同，大小年明显程度也不一样。通常是苹果、梨、枣、粟等比较明显，葡萄、桃、李、杏等表现和缓。同一树种的不同品种， The so-called “size year” of fruit trees, as its name suggests, refers to the phenomenon of two adjacent years, many results in the first year, few or no results in the second year. Therefore, “Year of the Year” is also called “Year after Year Results.” Different species, the size of the year is not the same extent. Usually apples, pears, dates, millet and more obvious, grape, peach, plum, apricot and other performance moderation. Different varieties of the same species,