英语翻译Ireadthatreplacingonly5percentofAmerica'sdieselfuelwithbiodieselwouldrequireusing60percentoftoday'ssoycrops这句话里的replacing是不是应该替换成replace,replacing不是形容词吗

　　英语翻译

　　Ireadthatreplacingonly5percentofAmerica'sdieselfuelwithbiodieselwouldrequireusing60percentoftoday'ssoycrops这句话里的replacing是不是应该替换成replace,replacing不是形容词吗