云南省德宏州玉米低产原因分析及对策

Analysis of Reasons Resulting in Low Maize Yield and Countermeasure in Dehong Prefecture of Yunnan Province

玉米是德宏州主要粮食作物之一,常年种植面积3万hm2,占全州耕地面积的40%多,玉米生产对德宏州农村经济的发展有着重要的影响。然而德宏州玉米单产低而不稳,严重影响了玉米生产的发展。本文从杂交种覆盖率、品种、栽培技术水平、气候、土壤等方面对德宏玉米低产的原因进行了分析,并针对低产原因,提出了加快德宏玉米生产发展的对策。

Maize is one of the staple crops in Dehong Prefecture, with the annual planting area of about 30000hm^2, accounting for more than 40% of the total arable area. Therefore, maize production is playing an important role in the development of rural economy. However, low and unstable yield was seriously destructed maize development in Dehong. This paper reviewed the reasons leading to low maize yield including the hybrid coverage, variety, cultivation technology, climate and soil factors, and put forward some countermeasures for speeding up maize production.