遥感光谱法农作物产量预报

遥感光谱法农作物产量预报,是以数理统计中抽样调查原理和回归分析为数学基础,以遥感技术中农作物光谱反射率测定为手段,进行大面积产量预报的一种方法。经三年采用此法对南、北方四个县、一个农场的水稻、小麦产量预报试验、验证,获得较高精度。 验证结果表明,该估产方法既适用于南方,又适用于北方;不仅适用于平原地区,也适用于丘陵、山区;不仅适用于一个农场,也适用于一个县或一个省。

THE PREDICTION OF THE YIELD OF CROPS WITH REMOTE SENSING SPECTRUM MFTHOD

The remote sensing spectrum method takes the mathematical statistical sampling survey as its principle, the regression analysis as its mathematical base and thec rop spectrum reflection rate of remote sensing technique as the measuring method. This is one the methods to predict the crop yield with large-sized area. The author has used this method to predict the rice and wheat yield very accurately for four counties and one state farm distributed at southern and northern part of China for three years.The method for predicting the yield of crops has been proved that it can be used not only at different parts of a country with various climatic conditions but also with different topographies and different sizes of crop areas.