recultivate  
verb [ T ] (also re-cultivate) uk/ˌriːˈkʌl.tɪ.veɪt/ us/ˌriːˈkʌl.tə.veɪt/
  (use land)      
  再耕种,复垦
to prepare land for a second, third, etc. time and grow crops on it, or to grow a particular crop for a second, third, etc. time
  Many hectares of farmland have been recultivated since the unexploded mines have been defused. 由于未爆的地雷已经排除,大片的农田得到了重新开垦。 
 The cotton was grown on recultivated land by Peruvian Indians. 棉花是秘鲁印第安人在复垦的土地上种植的。 
 - More examples
 - Vegetation is allowed to regenerate in areas where soil fertility is exhausted, and it is then recultivated.
 - Of approximately a 250 square kilometre area of open mining excavation, roughly 50% has been recultivated so far.
 - They will gradually re-cultivate and resettle lost territory.
 - Brewers store yeast in labs so that if anything goes wrong, they can recultivate their own strain.
 
  (develop)      
 再培养
to try to establish, develop, and improve something again, for a second, third, etc. time
  Back in his old job, he is re-cultivating important relationships. 回到原来的工作岗位上,他正在重新建立重要的人际关系。 
 Many wonderful bluegrass singers have helped preserve and recultivate the genre for years. 多年来,许多出色的蓝草歌手帮助保存和发扬光大了这一流派。 
 - More examples
 - I think we need to re-cultivate a culture of being intellectually curious, and reading broadly.
 - In therapy, she was encouraged to to re-cultivate her child-like mind.