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马铃薯正成为我国第四大粮食作物,近几年非常重视,发展很快,但在生产管理上,还比较粗放。因此要提高马铃薯的产量和品质,各地应根据测土配方施肥技术专家给出的意见,针对性改进、科学施肥。一、成都平原区、川中丘陵区和盆周山区1.主要问题有机肥用量少;磷、钾肥施用量不足。2.施肥管理要点1增施有机肥。施用农家肥1000~2000公斤/亩。2增施钾肥。保证施用肥料中K2O
Potato is becoming the fourth largest food crop in our country. In recent years, it has been paid great attention to and has developed rapidly. However, its production management is still rather extensive. Therefore, to improve the yield and quality of potatoes, all localities should, according to the opinions given by experts in soil testing and formula fertilization, improve their targeted and scientific fertilization. First, the plain area of Chengdu, Hilly in Sichuan and the basin mountain week 1. The main problem of less organic manure; phosphorus, potassium less than adequate. 2 fertilizer management points 1 increase of organic fertilizer. Application of manure 1000 ~ 2000 kg / mu. 2 increase potash. To ensure the application of fertilizer K2O