NigeBNC⁸⁶⁶⁶⁰⁺⁹ 基本例句 🌏唱起；尼日 The development countermeasure of arid agriculture in Nige gully test region was reasonable fertilization and mustering water with fertilizer on the basis of fully utilizing rainfall. 通过调查研究提出泥河沟试区旱作农业发展对策是：在充分利用降水的基础上合理施肥，以肥调水； cnki