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一要防干旱油菜播种后常遇秋旱。因此,苗床要经常浇水,保持湿润状态。出苗前,坚持早晚浇水;出苗后如继续干旱。幼苗叶片萎蔫时,要及时浇稀粪水,每担水加1~2瓢腐熟的人粪尿。同时,雨水过多时,也应清沟排渍,并在苗床上撒草木灰以降低温度。二要早间苗、定苗为防治幼苗密度过大,造成生长拥挤,互相争阳光,消耗大量水分和养分,影响壮苗的培育,必须及早间苗、定苗。一般
A drought-resistant rapeseed often encountered autumn sowing. Therefore, the seedbed should always be watering, keep wet state. Pre-emergence, insist on watering sooner or later; emerge as continued drought. Seedling leaves wilting, it is necessary to pour dilute water in a timely manner, add 1 ~ 2 scoops of manure urine per water. At the same time, when the rain is too much, it should also clear ditch row of stains, and sow ash in the seedbed to reduce the temperature. Second, the morning seedlings, Dingmiao seedling density control is too large, resulting in crowded growth, fight each other sunshine, consume large amounts of water and nutrients, affecting the cultivation of strong seedlings must be early seedlings, Dingmiao. general