近些年在全国各地菜籽市场上,一些不法商贩利用部分菜农缺少经验,在新菜籽中掺入旧菜籽,导致了出苗率下降、出苗后死苗、多发病虫害等问题,使菜农在经济上遭受很大损失。那么,在购买菜籽时该怎样区别新旧菜籽呢?下面介绍5种新 In recent years, rapeseed market across the country, some unscrupulous traders use some vegetable farmers lack of experience in the new rapeseed with the introduction of old rapeseed, resulting in a decline in emergence rate, seedlings emergence after emergence, multiple pests and other issues so that farmers in the Economically suffered a great loss. So, how to distinguish between new and old rapeseed when buying rapeseed Here are 5 kinds of new