不同施钾水平对马铃薯干物质积累和产量的后效影响
通过设置在定西市李家堡镇的钾肥后效定位试验,对2007—2010年不同施钾水平基础上实施的马铃薯干物质和产量的后效进行研究,结果表明：不同施钾水平对当季马铃薯干物质量有一定的后效应,钾肥用量增加到一定程度时,根、茎、叶干物质量开始下降,块茎干物质量则呈现持续增加的趋势;不同施钾水平对当季马铃薯产量的影响非常明显,其中施钾105 kg/hm2时（K3）产量最高,施钾140 kg/hm2时（K4）产量最低,按产量大小依次为：施钾105 kg/hm2处理〉施钾70 kg/hm2处理〉施钾35 kg/hm2处理〉不施钾处理〉施钾140 kg/hm2处理（K3〉K2〉K1〉K0〉K4）。当施钾肥量为10...
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| Published in | 广东农业科学 Vol. 39; no. 8; pp. 71 - 73 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
甘肃农业大学资源与环境学院,甘肃兰州,730070%甘肃农业大学资源与环境学院,甘肃兰州730070
2012
甘肃省干旱生境作物学重点实验室,甘肃兰州730070 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1004-874X |
| DOI | 10.3969/j.issn.1004-874X.2012.08.023 |
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| Abstract | 通过设置在定西市李家堡镇的钾肥后效定位试验,对2007—2010年不同施钾水平基础上实施的马铃薯干物质和产量的后效进行研究,结果表明：不同施钾水平对当季马铃薯干物质量有一定的后效应,钾肥用量增加到一定程度时,根、茎、叶干物质量开始下降,块茎干物质量则呈现持续增加的趋势;不同施钾水平对当季马铃薯产量的影响非常明显,其中施钾105 kg/hm2时（K3）产量最高,施钾140 kg/hm2时（K4）产量最低,按产量大小依次为：施钾105 kg/hm2处理〉施钾70 kg/hm2处理〉施钾35 kg/hm2处理〉不施钾处理〉施钾140 kg/hm2处理（K3〉K2〉K1〉K0〉K4）。当施钾肥量为105 kg/hm2时产量最高,即为最佳施肥量。 |
|---|---|
| AbstractList | S532.062; 通过设置在定西市李家堡镇的钾肥后效定位试验,对2007-2010年不同施钾水平基础上实施的马铃薯干物质和产量的后效进行研究,结果表明:不同施钾水平对当季马铃薯于物质量有一定的后效应,钾肥用量增加到一定程度时,根、茎、叶干物质量开始下降,块茎干物质量则呈现持续增加的趋势；不同施钾水平对当季马铃薯产量的影响非常明显,其中施钾105 kg/hm2时(K3)产量最高,施钾140 kghm2时(K4)产量最低,按产量大小依次为:施钾105 kg/hm2处理＞施钾70 kg/hm2处理＞施钾35 kg/hm2处理＞不施钾处理＞施钾140 kg/hm2处理(K3＞K2＞K1＞K0＞K4).当施钾肥量为105 kg/hm2时产量最高,即为最佳施肥量. 通过设置在定西市李家堡镇的钾肥后效定位试验,对2007—2010年不同施钾水平基础上实施的马铃薯干物质和产量的后效进行研究,结果表明：不同施钾水平对当季马铃薯干物质量有一定的后效应,钾肥用量增加到一定程度时,根、茎、叶干物质量开始下降,块茎干物质量则呈现持续增加的趋势;不同施钾水平对当季马铃薯产量的影响非常明显,其中施钾105 kg/hm2时（K3）产量最高,施钾140 kg/hm2时（K4）产量最低,按产量大小依次为：施钾105 kg/hm2处理〉施钾70 kg/hm2处理〉施钾35 kg/hm2处理〉不施钾处理〉施钾140 kg/hm2处理（K3〉K2〉K1〉K0〉K4）。当施钾肥量为105 kg/hm2时产量最高,即为最佳施肥量。 |
| Author | 康小华 蔡立群 卢建武 毕淑海 |
| AuthorAffiliation | 甘肃农业大学资源与环境学院,甘肃兰州730070 甘肃省干旱生境作物学重点实验室,甘肃兰州730070 |
| AuthorAffiliation_xml | – name: 甘肃农业大学资源与环境学院,甘肃兰州,730070%甘肃农业大学资源与环境学院,甘肃兰州730070;甘肃省干旱生境作物学重点实验室,甘肃兰州730070 |
| Author_FL | KANG Xiao-hua CAI Li-qun BI Shu-hai LU Jian-wu |
| Author_FL_xml | – sequence: 1 fullname: KANG Xiao-hua – sequence: 2 fullname: CAI Li-qun – sequence: 3 fullname: LU Jian-wu – sequence: 4 fullname: BI Shu-hai |
| Author_xml | – sequence: 1 fullname: 康小华 蔡立群 卢建武 毕淑海 |
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| ClassificationCodes | S532.062 |
| ContentType | Journal Article |
| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DOI | 10.3969/j.issn.1004-874X.2012.08.023 |
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| DocumentTitleAlternate | After-effect on different levels of K to potatoes dry matter accumulation and production |
| DocumentTitle_FL | After-effect on different levels of K to potatoes dry matter accumulation and production |
| EndPage | 73 |
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| Issue | 8 |
| Keywords | 后效 干物质 施钾水平 马铃薯 |
| Language | Chinese |
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| Notes | 44-1267/S By setting up the after-effect positioning test of K in Lijiabao town of Dingxi city,with different levels of implementation of K in the consecutive for 2007—2010,the potatoes dry matter and the grain yield of after-effect were studied.The result showed that different potassium levels had some after-effects to the content of this season potatoes＇ dry matters,when the use of fertilizer application rates increased to a certain degree,then the roots,stems,dry matter content began to fall,the tubers of dry matter content of potatoes had a trend to be increasing.The production of this season potato were obviously influenced by different levels of K.The K3 treatment had the highest yields,while yields of K4 were the minimum.Sorting the production size showed that K3K2K1K0K4.When fertilizer application rates came to 105 kg/hm2,the yields of potato attained the highest,that was the best fertilizer application rates. the potassium level; potato; dry matter; after-effect KANG Xiao-hua,CAI Li-qun,LU Jian-wu,BI Sh |
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| PublicationTitle | 广东农业科学 |
| PublicationTitleAlternate | Guangdong Agricultural Sciences |
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| PublicationYear | 2012 |
| Publisher | 甘肃农业大学资源与环境学院,甘肃兰州,730070%甘肃农业大学资源与环境学院,甘肃兰州730070 甘肃省干旱生境作物学重点实验室,甘肃兰州730070 |
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| Snippet | 通过设置在定西市李家堡镇的钾肥后效定位试验,对2007—2010年不同施钾水平基础上实施的马铃薯干物质和产量的后效进行研究,结果表明：不同施钾水平对当季马铃薯干物质量有一... S532.062; 通过设置在定西市李家堡镇的钾肥后效定位试验,对2007-2010年不同施钾水平基础上实施的马铃薯干物质和产量的后效进行研究,结果表明:不同施钾水平对当季马铃薯于... |
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| SubjectTerms | 后效 干物质 施钾水平 马铃薯 |
| Title | 不同施钾水平对马铃薯干物质积累和产量的后效影响 |
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