1. A field experiment was conducted to study the effect of new potato specific fertilizer on the yield and quality of potato. 通过马铃薯田间小区试验,研究新型专用配方肥对马铃薯产量和品质的影响。
2. In the father's hands was the potato stalk and from its straggling thin roots there hung a cluster of tiny new potatoes, smaller than small marbles. 只见父亲手捧着土豆秧,稀疏的细根上挂着一串新长出的小土豆蛋子,比弹子还。
3. Therefore, the new potato specific fertilizer can improve the yield and quality of potato, as well as fertilizer nutrients use efficiency. The economic benefit of potato was remarkable. 因此,新型专用配方肥能明显提高薯块产量、品质及肥料养分利用率,效益显著。
4. The undisputed pre-Columbian presence in Oceania of the sweet potato, which is a New World domesticate, has sometimes been used to support Heyerdahl's "American Indians in the Pacific" theories. 在哥伦布发现美洲大陆之前,大洋洲无可争议地存在着一种在新大陆被驯化的红薯,它有时被用来支持 Heyerdahl 的“太平洋上的美洲印第安人”理论。
5. The techniques included new methods to identify viruses in sweet potato roots, and better systems for multiplying improved virus-free plant varieties. 这些技术包括辨认甘薯根内病毒的新方法以及扩大经改良无病毒作物品种的更好方法。