PVI and TSAVI were proved to be the spectral indices in monitoring wheat LAI, and higher accuracy was obtained with combined RVI (810, 510), DVI (810, 560) and PVI.

• 另外；在证明垂直植被指数PVI和转换型土壤调整指数TSAVI对LAI预测能力的同时；发现利用RVI(810；510)、DVI(810；560)和PVI3个植被指数共同推算小麦LAI的准确度更高.