In order to explore the effects of planting seedlings and nitrogen levels on high yielding rice variety,selecting two ne......

鳞苞锥是宁化县的乡土阔叶树种,是福建省省级珍稀濒危植物,为了更好地繁育和发展鳞苞锥,笔者对鳞苞锥的人工育苗及在杉木林采伐迹......