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山东省是我国甜菜南繁采种的一个重要地区。多年来 ,由于种种原因 ,甜菜种子的产量和发芽率年与年之间 ,采种户之间差别很大。本文通过调查 ,分析甜菜种子产量及发芽率波动的原因并讨论了采取的对策。1 种子产量和发芽率波动的原因1 .1 干热风西南干热风是我国中部地区较为普
Shandong Province is an important area in the south of the beet species in our country. For many reasons, the yield and germination rates of beet seeds vary from year to year due to various reasons. In this paper, the reasons for the fluctuation of sugarbeet seed yield and germination rate were analyzed and the countermeasures taken were discussed. 1 seed yield and germination rate fluctuation reasons 1.1 dry hot wind southwest hot and dry wind is more common in central China