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前几年,我们调查中发现向日葵秕粒现象比较普遍,嘉峪关公社各大队,向日葵籽粒饱满度只有20—30%,安西、玉门、酒泉、金塔等地也有类似情况。对此,我们查阅了有关资料,据介绍,土壤缺硼,向日葵虽在水肥、光照条件好的田边地埂生长,秆粗、盘大,但花期延迟,造成秕粒。缺硼严重的,整个花序还会死亡。为了确证这个阀题,一九七七年,我们作了硼肥试验,办法:一是在播前分别用0.16%、0.33%、0.66%的硼砂溶液浸种二十四
A few years ago, we found that the phenomenon of sunflower tablets are more common, the Jiayuguan commune brigade, sunflower fullness of only 20-30%, Anxi, Yumen, Jiuquan, Quinta and other places have a similar situation. In this regard, we have access to relevant information, according to reports, the lack of boron in soil, sunflowers, although the water and fertilizer, light conditions are good Tanabe 埂 growth, straw thick, large pan, but the flowering delay, resulting in tablets. Lack of serious boron, the entire inflorescence will die. In order to confirm this theme, in 1977, we made the boron fertilizer test, the method: First, before sowing with 0.16%, 0.33%, 0.66% of the borax solution soaking twenty-four