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Variation in Yield Gap Induced by Nitrogen, Phosphorus and Potassium Fertilizer in North China Plain
A field experiment was conducted under a wheat-maize rotation system from 1990 to 2006 in North China Plain (NCP) to determine the effects of N, P and K on yield and yield gap. There were five treatments: NPK, PK, NK, NP and a control. Average wheat and maize yields were the highest in the NPK treat...
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| 主要な著者: | , , , |
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| フォーマット: | Artigo |
| 言語: | Inglês |
| 出版事項: |
Public Library of Science
2013
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| 主題: | |
| オンライン･アクセス: | https://ncbi.nlm.nih.gov/pmc/articles/PMC3861355/ https://ncbi.nlm.nih.gov/pubmed/24349204 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1371/journal.pone.0082147 |
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