productive与fertile同有”想象力丰富的“时有什么区别

productive
adj. 能生产的,有生产价值的,多产的
例句:
She was elected a productive worker.(形容人)
她被选为劳动能手.
I spent a very productive hour in the library.(形容时间)
我在图书馆里的这一小时收获很大.
They work hard, but their efforts are not very productive.(形容工作)
他们很努力,但效率不太高.
productive farmland; his productive years（形容日子）; a productive collaboration.
多产的农田;他的多产年;多产的合著.
fertile [美] [?f?tl?] [英] [?f?tail]
形容词 ( more fertile; most fertile )
(动植物)多产的,繁殖力强的
(土地)肥沃的,富饶的,丰产的
The land is so fertile that three crops a year can grow. 这片土地很肥沃,一年可种三季庄稼.
能生育的;能孵的;受精的
Most chicken eggs are not fertile. 多数鸡蛋未受精.
(创造力或想像力)丰富的
He is fertile of imagination. 他想像力很丰富.

A后面那人一般不用于人吧。一般用于植物或其他。