Preliminary Study on Nursing Technique of Strong Rice Seedlings with Increased Seedling Age for Machine Transplantation

A study about the ratio of nutrients and soil,and the chemical control at late seedling stage was conducted to overcome the problems of increased seedling age,poor seedling quality and high seedling death rate in machine rice transplantation in Xiangfan.Some countermeasures for raising strong rice seedlings and increasing seedling survival rate were proposed in this paper.