利用小麦等作物地边(如小麦、豌蚕豆或蔬菜等地)增种油菜,具有5个方面的好处:(1)能较好地解决粮、油争地的矛盾;(2)地边种油菜与小麦作物形成明显的立体结构,边际效应强,有利于提高资源利用率;(3)通过每年深挖地边,有利于清除杂草、病虫寄主和防止树根串入地内争夺养分;(4)可协 The use of crops such as wheat on the ground (such as wheat, pea beans or vegetables, etc.) to add rape, has five advantages: (1) can better solve the conflict between grain and oil; (2) Rape and wheat crops form obvious three-dimensional structure with strong marginal effect, which will help to improve the resource utilization rate; (3) Through deep digging the ground each year, it will help to eliminate weeds, (4) can be assisted