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Citation:

A Preliminary Study of Topdressing in Young Plantation of Populus chifengensis No.36

  • Received Date: 1990-07-19
  • The results of topdressing test in young plantation of Populus chifengensis No.36 were analized in this paper.Conclusion:the appropriate dose of topdressing in young high-yield poplar plantation of P.chifengensis No.36 is 0.4kg urea (46% N) and 0.5kg superphosphate (14% P2O5) per tree a year.The economic benefit of topdressing with N,P,K indifferent level is also discussed in the paper.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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A Preliminary Study of Topdressing in Young Plantation of Populus chifengensis No.36

  • 1. The Research Institute of Forestry CAF
  • 2. The Forest Bureau of Jianping County

Abstract: The results of topdressing test in young plantation of Populus chifengensis No.36 were analized in this paper.Conclusion:the appropriate dose of topdressing in young high-yield poplar plantation of P.chifengensis No.36 is 0.4kg urea (46% N) and 0.5kg superphosphate (14% P2O5) per tree a year.The economic benefit of topdressing with N,P,K indifferent level is also discussed in the paper.

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