论文部分内容阅读
怎样提高苹果树体贮藏营养水平答山东读者王志福苹果树一年中,6月上旬之前为氮素代谢期,是利用树体贮藏营养物质。贮藏营养对果树生长发育、开花坐果、增加单果重、提高果形指数等,都起着至关重要的作用。现将我镇及莱西城望镇等五个优质丰产园提高树体贮藏营养水平的...
How to improve the nutritional level of Apple Tree Storage Anshan Wang readers in Shandong apple tree year, early June before the nitrogen metabolism, is the use of tree storage of nutrients. Storage of nutrients on the growth and development of fruit trees, flowering fruit, increase fruit weight, improve fruit shape index, etc., all play a vital role. Now I town and Lacey Cheng Wang town of five high-quality garden to enhance the level of tree storage nourishment ...