对超级稻栽培体系的几点看法

Viewpoints on the Cultivation System of Super rice

在全国各地出现水稻小面积产量达到１０５００ｋｇ／ｈａ，是我国目前超级稻的栽培目标。超级稻具有群体密度大，叶面积指数高，施肥量多等特点。要求选用千粒重较大，耐肥抗倒，并具一定抗病性的品种。栽培上要注意培养地力，重视促根，控制分蘖。创造条件施中期肥是技术上的关键和难点。

Current cultivation objective of super rice in China is to make the yield up to 10500kg/ha in small area.Super rice is characterized by high population density,high leaf area index and needing much fertilizer.In variety selection,it is required that the variety possesses the property of high 1000 grain weight,tolerance to fertilizer and resistance to lodging,and certain degree of disease resistance.In cultivation,attention should be paid to the improvement of soil fertility,the enhancement of root growth,and the control of tillering.Key and difficult technology is to apply fertilizer in mid term growth period as possible as we can.