1．合理追肥芝麻进入开花期以后，对各种营养的吸收骤增，从初花到盛花期，对氮磷钾三要素的吸收分别占总量的66．2％、59．12％和58．37％。因此，搞好芝麻花期追肥，满足其对营养物质的需求，是争取芝麻高产的重要措施。追肥的方法是根际施氮肥，叶面喷磷钾肥和珊肥。氮肥在 1. Rational seeding sesame into the flowering period, the surge of absorption of various nutrients, from early flowering to full flowering, the three elements of nitrogen, phosphorus and potassium absorption accounted for 66.2% of the total, 59.12% and 58.37 %. Therefore, to do a good sesame flowering topdressing to meet their demand for nutrients is to fight sesame high yield an important measure. Top-dressing method is rhizosphere nitrogen fertilizer, foliar phosphorus and potassium fertilizer and fertilizer. Nitrogen fertilizer in