• 追肥 - 引用次数：4

  After manuring of results showed that 3 treatment of urea promoted branch growth and dbh increment of 1-year-old poplar obviously,100g and 50g application was better, 150 g application was fall in promoting dbh increment.

  追肥试验结果表明:尿素3种肥量对当年造林树新梢生长和胸径都有明显促进作用,以50g利100 g为好,150 g对胸径增粗效果则有所下降。

  参考来源 - 宁夏腾格里沙地边缘中林46杨栽培技术研究

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