马铃薯Mira高产施肥措施的研究

Research on Fertilization Measures of the High Yielding of Potato Mira Flowers

在浙江省马铃薯主产区丽水市缙云县,通过2年试验研究了马铃薯高产施肥措施对产量及相关性状的影响.试验表明,在当地习惯施肥基础上,提高氮肥量至120 kg/hm2,同时增施磷钾肥,提高了马铃薯产量、淀粉含量和商品率,提高了叶面积系数、叶绿素含量和净同化率.同时试验表明,增施磷钾肥不同取得的效果也不同,根据增产效果及实际效益,推荐肥施用量为:N 120 kg/hm2、P2O580 kg/hm2、K2O 180 kg/hm2、农家肥10 000 kg/hm2.

In Jinyun County of Lishui, the main potato producing area of Zhejiang province, a two-year experiment has been carried out, to study the fertilization effects on the production of Mira potato and its related traits. The test shows that based on the usual fertilization in local area by increasing the amount of nitrogenous fertilizer to 120 kg/hm^2 and increasing the amount of phosphate and potassium fertilizer, the potato production, the starch content and the commodity rate can be improved, and the chlorophyll content and the net assimilation rate can be increased. Besides, it shows that different disposal methods of phosphate and potassium fertilizer lead to different effects. To raise the production, improve the quality, and get practical benefits, a proportioning of N 120 kg/hm^2, P2O5 80 kg/hm62, K2O 180 kg/hm^2, farmyard manure 10 000 kg/hm^2 is recommended.