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宁镇丘陵地区缺硼现象相当严重,近年来太湖平原、里下河及沿江地区也不同程度发现土壤缺硼现象,甘兰型油菜“花而不实”现象逐年严重,妨碍油菜扩大面积,通过施硼可大幅度提高单产。1983—84年的盆栽和田间试验,通过硼肥底施取得良好的增产效果。在扩大示范的基础上,普遍强调底施硼肥,已推广应用百万亩以上。
The phenomenon of boron deficiency is rather serious in the hilly areas of Ningxia. In recent years, the phenomenon of boron deficiency in soil has also been found in the Taihu Plain, Lixiahe River and the Yangtze River. The phenomenon of “blossoming but not real” Boron can significantly improve yield. 1983-84 pot and field trials, through the boron fertilizer applied to achieve a good yield. On the basis of expanding the demonstration, it is generally emphasized that the application of boron fertilizer has been popularized and applied more than 1 million mu.