优质稻粤晶丝苗2号田间肥效试验
2009年晚造在江门市礼乐街对优质稻"粤晶丝苗2号"开展氮磷钾的田间肥效试验,结果表明,在供试田块肥力水平较高的土壤条件下,氮是限制粤晶丝苗2号产量的主要因子,在合理施用氮肥的基础上,不施或少施钾肥能获得更高的经济效益。此外,通过肥料效应模型建立,求得每667m2的最佳施肥量为N9.9~10.18kg、P2O51.39kg、K2O0~1.68kg。...
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Published in: | Guangdong nong ye ke xue Vol. 37; no. 9; pp. 103 - 105 |
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Format: | Journal Article |
Language: | Chinese |
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江门市农业科学研究所,广东,江门,529060
2010
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Abstract | 2009年晚造在江门市礼乐街对优质稻"粤晶丝苗2号"开展氮磷钾的田间肥效试验,结果表明,在供试田块肥力水平较高的土壤条件下,氮是限制粤晶丝苗2号产量的主要因子,在合理施用氮肥的基础上,不施或少施钾肥能获得更高的经济效益。此外,通过肥料效应模型建立,求得每667m2的最佳施肥量为N9.9~10.18kg、P2O51.39kg、K2O0~1.68kg。 |
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AbstractList | 2009年晚造在江门市礼乐街对优质稻"粤晶丝苗2号"开展氮磷钾的田间肥效试验,结果表明,在供试田块肥力水平较高的土壤条件下,氮是限制粤晶丝苗2号产量的主要因子,在合理施用氮肥的基础上,不施或少施钾肥能获得更高的经济效益。此外,通过肥料效应模型建立,求得每667m2的最佳施肥量为N9.9~10.18kg、P2O51.39kg、K2O0~1.68kg。 S511; 2009年晚造在江门市礼乐街对优质稻"粤晶丝苗2号"开展氮磷钾的田间肥效试验.结果表明,在供试田块肥力水平较高的土壤条件下,氮是限制粤晶丝苗2号产量的主要因子,在合理施用氮肥的基础上,不施或少施钾肥能获得更高的经济效益.此外,通过肥料效应模型建立,求得每667 m2的最佳施肥量为N9.9~10.18 kg、P2O5 1.39 kg、K2O 0~1.68 kg. |
Author | 李惠珠 郭金莲 陆英发 蔡志鑫 黄健超 |
AuthorAffiliation | 江门市农业科学研究所,广东江门529060 |
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Title | 优质稻粤晶丝苗2号田间肥效试验 |
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