排干田里的水是为种植水稻而进行土地开垦的第一步。

Draining the field was the first step in the land's ___cultivation for rice planting.

现代灌溉系统极大地改善了干旱地区作物的种植。

Modern irrigation systems have significantly improved the ___cultivation of crops in arid regions.

种植这种娇贵的水果需要精心控制土壤养分和气候。

The ___cultivation of this delicate fruit requires careful control of soil nutrients and climate.