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油菜为总状无限花序,开花不齐,成熟期不一致,对于油菜成熟和收获的标准,提法也不统一。1977年中国农科院油料作物研究所将油菜的成熟过程分为绿熟、黄熟和完熟三个时期。也有的认为当油菜植株有三分之二以上的荚果自然黄熟时,为油成熟和收获期。在群众中广泛流传着“八成熟,十成收;十成熟,两成丢”的说法。但在实际应用中都存在一定问题。为了使水田三熟制的油菜改变撩青收获的作法,做到适时收获的
Rape is Infinite inflorescence flowering, flowering uneven, inconsistent maturity, rape ripening and harvesting standards, the reference is not uniform. In 1977, the Institute of Oil Crops, Chinese Academy of Agricultural Sciences divided the ripening process of rape into green, yellow and mature three periods. Others think that when rape plants have over two-thirds of the natural yellow-ripened pods, they are ripe for oil and harvest. In the mass widely circulated “Eight mature, ten into the income; ten mature, two into lost” argument. However, there are some problems in practical application. In order to make three-crop paddy paddy change Qinglv harvest practices, so timely harvest