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当作物缺乏任何一种微量元素时,生长发育就受到抑制,导致减产和品质下降,严重时甚至失收。下面简述几种微量元素的缺乏症状和诊断方法。1.缺硼。顶芽停止生长,逐步枯萎死亡,根系不发达,叶色暗绿,叶形变小、肥厚、皱缩,植株矮化,花发育不健全,果、穗不实,蕾花脱落,块根、浆果心腐或坏死。如花椰菜根肿大,萝卜空心、心腐等。
When the crop lacks any of the trace elements, growth and development are inhibited, resulting in reduced production and quality, and in severe cases, lost. The following brief description of the lack of trace elements and symptoms of several diagnostic methods. Boron deficiency The top buds stop growing and die gradually, the root system is underdeveloped, the leaf color is dark green, leaf shape is diminished, hypertrophy and shrinkage are observed, plant dwarf, flower development is not perfect, fruit, spike is absent, bud flower is off, root and berry heart Rot or necrosis. Such as cauliflower root swelling, radish hollow, heart rot and so on.