包膜尿素不同配比减施对土壤无机氮含量及玉米氮素吸收的影响
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Effects of Soil Inorganic Nitrogen and Nitrogen Absorbing by Maize Under the Reduced Application of Coated Urea at Different Proportions
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图1. 2017年5-9月试验地点月平均温度和总降雨量情况 |
Fig. 1. Monthly mean temperatures and total precipitation at the experimental site from April to September in 2017 |
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