荷兰豆常规种留种经验一、巧留荚果，培育作种荷兰豆宜安排在采收第一、二批之后的第三批荚果，留作豆种。这样荚果大小定型一致，成熟整齐，便于施肥管理和采收。二、重施结荚肥，以磷钾肥为主可在第二批荚果采收之后，每亩施复合肥５～８公斤或腐熟的猪粪灰４～５担，加... Dutch beans conventional species to stay kind of experience First, Qiao leave pods, nurturing cultivation of Dutch beans should be arranged in the first and second batches after the third batch of pods, reserved for beans. This pod size stereotypes, mature and tidy, easy to fertilizer management and harvesting. Second, heavy pod fertilizer, to phosphorus and potassium-based pod can be harvested in the second batch after the application of compound fertilizer per acre 5 to 8 kg or decomposed pig dung 4 ~ 5 dan ...