云南西庄河流域主要栽培作物的农业气候资源分析

A Study of Agroclimatic Resources of Main Cultivated Crops in Xizhuang Watershed of Yunnan

云南西庄河流域具有发展粮食和经济作物生产的良好条件。主要粮食作物是小麦、玉米、水稻、杂粮 (苦荞、黍 ) ,主要经济作物是茶及桑树。由于作物生长具有复杂的生物物理机制和生物化学变化过程 ,不同作物对气候条件如光、热、水的需求是有差异的。为了监测西庄河流域气候特征 ,特地在流域中部设立了一个观测站 ,获得了该流域的主要气象要素特征值 ,使主要栽培作物的农业气候资源分析成为可能。本文对西庄河流域的农业气候特点及其对主要栽培作物的影响进行了分析 ,并进一步提出 :西庄河流域属于水稻、桑、烟叶分布区 ;玉米、苦荞、黍分布适宜区 ;小麦。

Xizhuang watershed bears good condition for subsistence and c as h crops production The main grains are wheat,corn,rice and miscellaneous grai n (Fagopyrum sagitatum Gilib,Panicum miliaceum L , et al ),and main cash cro p are tea and mulberry Because of different physiological character of differen t crops,the requirement of climatic elements such as illumination,heat,precip itation,and accumulated temperature is different According to real monitoring data from Ganwangkeng meteorological station,this paper analyzed the characteri stics of Agroclimatic resources of Xizhuang watershed and its impact on current main cultivated crops Results shows,Xizhuang watershed can grow rice,mulberry and tobacco,is fitting to plant corn and miscellaneous grain such as Fagopyrum sagitatum Gilib ,Panicum miliaceum Linn et al However,Xizhuang watersh ed is most suitable for wheat and tea ecological plantation