2 sentences

1. 这种肥料的主要成分是尿素。

   zhè zhǒng féi​liào de zhǔ​yào chéng​fèn shì niào​sù.

   The main component of this fertilizer is urea.

   Source: Dong Chinese Dictionary

2. 这种有机肥料对农作物的生长非常有益。

   zhè zhǒng yǒu​jī féi​liào duì nóng​zuò​wù de shēng​zhǎng fēi​cháng yǒu​yì.

   This organic fertilizer is very beneficial for crop growth.

   Source: Dong Chinese Dictionary