Mineral Coated Fertilizer Effect on Nitrogen-Use Efficiency and Yield of Wheat

LI Jian-Yun; HUA Quan-Xian; TAN Jin-Fang; ZHOU Jian-Min; HOU Yan-Lin

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Mineral Coated Fertilizer Effect on Nitrogen-Use Efficiency and Yield of Wheat

机译：矿物包膜肥料对小麦氮素利用效率和产量的影响。

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A field experiment with winter wheat (Triticum aestivum L.) was conducted on a silt loam calcaric endorusti-ustic Cambosols derived from the Yellow River alluvial deposits in Henan, China, from 2001 to 2002 to evaluate N recovery and agronomic performance of different mineral coated fertilizers (MiCFs) compared to normal urea used in wheat cropping systems under field conditions. Five treatments, including CK (check, no N fertilizer), urea and three different MiCFs at an equivalent N application rate were established in a randomized complete block design. N release from MiCFs in soil was more synchronous with the N requirement of wheat throughout the growth stages than that from urea, with grain yield of the MiCF treatments significantly higher (P ＜ 0.05) than that of the treatment urea. Correspondingly, the N recovery rate was greater for all MiCFs compared to urea, increasing from 32.8% up to 50.1%. Due to its high recovery and low cost, use of the mineral coated N fertilizers was recommended instead of the polymer coated N fertilizers.

机译：2001年至2002年，对中国河南黄河冲积沉积物上的粉壤质钙生铁内生藤黄进行了冬小麦（Triticum aestivum L.）田间试验，以评估不同矿物包衣的氮素回收率和农艺性状。化肥（MiCFs）与田间条件下小麦种植系统中使用的普通尿素相比。在随机完整块设计中，建立了五种处理方法，包括以相同氮肥施用量的CK（对照，无氮肥），尿素和三种不同的MiCF。在整个生育期中，土壤中MiCFs的氮释放量与小麦的氮素需求量相比，与尿素中的氮素释放量更为同步，MiCF处理的谷粒产量显着高于处理后的尿素（P ＜0.05）。相应地，与尿素相比，所有MiCF的氮回收率都更高，从32.8％提高到50.1％。由于其高回收率和低成本，建议使用矿物包衣的氮肥代替聚合物包衣的氮肥。

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《土壤圈（英文版）》 |2005年第4期|526-531|共6页
作者
LI Jian-Yun; HUA Quan-Xian; TAN Jin-Fang; ZHOU Jian-Min; HOU Yan-Lin;
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作者单位

Department of Soil Environmental Science, Research Center for Eco-Environmental Science, Chinese Academy of Sciences, Beijing 100085 China;

State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008 China;

Graduate School of the Chinese Academy of Sciences, Beijing 100039 China;

College of Agriculture, Henan Agricultural University, Zhengzhou 450002 China;

State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008 China;

Graduate School of the Chinese Academy of Sciences, Beijing 100039 China;

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收录信息中国科学引文数据库(CSCD);中国科技论文与引文数据库(CSTPCD);
原文格式 PDF
正文语种 chi
中图分类土壤学;
关键词
mineral coated fertilizer; N recovery; urea; winter wheat;

机译：矿物肥料;氮素回收;尿素;冬小麦;

Mineral Coated Fertilizer Effect on Nitrogen-Use Efficiency and Yield of Wheat

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