论文部分内容阅读
“藤壯、出高产”,培育壯藤是提高甘薯单位产量的第一个关鍵。瑞安县的甘薯育苗,因地区条件的不同,分別采用三种不同的方法:(1)溫床育苗法:山区和半山区因前期气溫低,溫差大,为了提早扞压,一股都用此法。此法依照留种量的多寡又分兩种,一种是留种量多时采取的热床法,也称“塘藤”;另一种是留种量較少,为了解决藤苗不足时采用的折衷育苗法,卽是先“塘藤”(溫床育苗)后“垄藤”(冷床育苗)。(2)半溫床育苗法:平原地区酿热物比較充裕的地方都采用此法。(3)冷床育苗法:平原沿海区酿热物不足的地方都采用此法。兹将上述不同的育苗方法分述如下:
“Teng Zhuang, a high yield,” nurturing sprouts is to improve sweet potato output per unit of the first key. Shui’an sweet potato nursery, due to different regional conditions, respectively, using three different methods: (1) hotbed nursery law: mountainous and semi-mountain due to pre-low temperature, the temperature difference, in order to defend the early one, all use this law. This method in accordance with the amount of remaining species is divided into two kinds, one is to take a long time to take the amount of hot bed method, also known as “pond vine”; the other is to stay in less, in order to solve the lack of vine seedlings used The eclectic nursery method, 卽 is the first “pond rattan” (hotbed nursery) after “ridge rattan” (cold bed nursery). (2) Half-hotbed nursery method: The plain area is rich in hot stuffs have adopted this method. (3) cold bed nursery law: the plain coastal areas where the lack of heat are used this method. The above different breeding methods are as follows: