杂交油菜直播适宜密度和氮磷钾肥用量研究
应用L9（34）正交试验,在云南省4个试点进行杂交油菜直播联合栽培试验,研究适宜的种植密度和氮、磷、钾肥施用量。结果显示：种植密度和施氮量对油菜的生育时段、主要经济性状、产量影响均较大,磷、钾肥用量的影响较小。在每公顷种植19.5万株,施纯氮450 kg、纯磷45 kg、纯钾112.5 kg时油菜产量最高。与育苗移栽相比,杂交油菜在直播时需要显著提高种植密度和氮肥施用量。...
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| Published in | Xinan nongye xuebao Vol. 20; no. 5; pp. 1040 - 1043 |
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| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
云南省农业科学院经济作物研究所,云南,昆明,650205%云南省农业厅,云南,昆明,540223
2007
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1001-4829 |
| DOI | 10.3969/j.issn.1001-4829.2007.05.035 |
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| Abstract | 应用L9（34）正交试验,在云南省4个试点进行杂交油菜直播联合栽培试验,研究适宜的种植密度和氮、磷、钾肥施用量。结果显示：种植密度和施氮量对油菜的生育时段、主要经济性状、产量影响均较大,磷、钾肥用量的影响较小。在每公顷种植19.5万株,施纯氮450 kg、纯磷45 kg、纯钾112.5 kg时油菜产量最高。与育苗移栽相比,杂交油菜在直播时需要显著提高种植密度和氮肥施用量。 |
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| AbstractList | 应用L9（34）正交试验,在云南省4个试点进行杂交油菜直播联合栽培试验,研究适宜的种植密度和氮、磷、钾肥施用量。结果显示：种植密度和施氮量对油菜的生育时段、主要经济性状、产量影响均较大,磷、钾肥用量的影响较小。在每公顷种植19.5万株,施纯氮450 kg、纯磷45 kg、纯钾112.5 kg时油菜产量最高。与育苗移栽相比,杂交油菜在直播时需要显著提高种植密度和氮肥施用量。 S634.3; 应用L9(34)正交试验,在云南省4个试点进行杂交油菜直播联合栽培试验,研究适宜的种植密度和氮、磷、钾肥施用量.结果显示:种植密度和施氮量对油菜的生育时段、主要经济性状、产量影响均较大,磷、钾肥用量的影响较小.在每公顷种植19.5万株,施纯氮450 kg、纯磷45 kg、纯钾112.5 kg时油菜产量最高.与育苗移栽相比,杂交油菜在直播时需要显著提高种植密度和氮肥施用量. |
| Author | 符明联 钟林 汪铭 李根泽 蒋海玉 李劲峰 |
| AuthorAffiliation | 云南省农业科学院经济作物研究所,云南昆明650205 云南省农业厅,云南昆明540223 |
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| Author_FL | WANG Ming JIANG Hai-yu ZHONG Lin LI Jing-feng LI Gen-ze FU Ming-lian |
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| Keywords | 杂交油菜 施磷量 种植密度 施氮量 施钾量 直播 |
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| Publisher | 云南省农业科学院经济作物研究所,云南,昆明,650205%云南省农业厅,云南,昆明,540223 |
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| Snippet | 应用L9（34）正交试验,在云南省4个试点进行杂交油菜直播联合栽培试验,研究适宜的种植密度和氮、磷、钾肥施用量。结果显示：种植密度和施氮量对油菜的生育时段、主要经济性状、... S634.3; 应用L9(34)正交试验,在云南省4个试点进行杂交油菜直播联合栽培试验,研究适宜的种植密度和氮、磷、钾肥施用量.结果显示:种植密度和施氮量对油菜的生育时段、主要经济... |
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| SubjectTerms | 施氮量 施磷量 施钾量 杂交油菜 直播 种植密度 |
| Title | 杂交油菜直播适宜密度和氮磷钾肥用量研究 |
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