[1]闫春娟,韩晓增,王树起,等.钾对大豆干物质积累、产量及品质的影响[J].大豆科学,2008,27(01):113-117.[doi:10.11861/j.issn.1000-9841.2008.01.0113]
　YAN Chun-juan,HAN Xiao-zeng,WANG Shu-qi,et al.Effect of Potassium Fertilizer on Dry Matter Accumulation，Yield and Quality of Soybean[J].Soybean Science,2008,27(01):113-117.[doi:10.11861/j.issn.1000-9841.2008.01.0113]
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钾对大豆干物质积累、产量及品质的影响

《大豆科学》[ISSN:1000-9841/CN:23-1227/S] 卷: 第27卷 期数: 2008年01期 页码: 113-117 栏目: 出版日期: 2008-02-25
Title:
Effect of Potassium Fertilizer on Dry Matter Accumulation，Yield and Quality of Soybean
作者:
闫春娟1; 2; 韩晓增1; 2; 王树起1 ; 王守宇1; 李海波1; 王凤仙1; 2
1中国科学院东北地理与农业生态研究所，黑龙江哈尔滨，150081；
2东北农业大学，黑龙江哈尔滨，150030
Author(s):
YAN Chun-juan1; 2; HAN Xiao-zeng1; 2; WANG Shu-qi1; WANG Shou-yu1; LI Hai-bo1; and WANG Feng-xian1
1 Northeast Institute of Geography and Agricultural Ecology，CAS，Harbin 150081，Heilongjiang；
2 Northeast Agricultural University，Harbin 150030，Heilongjiang，China
关键词:
大豆; 钾; 干物质积累; 根冠比; 蛋白质; 脂肪; 产量
Keywords:
Soybean; Potassium; Dry matter accumulation; Root to shoot; Protein; Fat; Yields
DOI:
10.11861/j.issn.1000-9841.2008.01.0113
文献标志码:
A
摘要:
盆栽条件下，通过设置不同的钾素水平，研究钾肥对大豆干物质积累及其产量和品质的影响。结果表明，钾增加了R1期根及地上部的干物质积累，但处理间差异不显著；R3、R5时期取样，随着钾肥用量的增加，根及地上部干物重表现为先增加后降低的趋势，K3(0.068 g K2O kg-1土)处理干物质积累量最多，但R3时期取样处理间差异不显著，R5时期取样处理间差异显著。随着大豆的生长发育，根冠比逐渐减小，R5时期根冠比值最小。R1、R3时期随着钾肥用量的增加根冠比表现为先增加后逐渐降低的趋势，K2(0.034 g K2O kg-1土)处理根冠比值最大；R5时期以K3处理根冠比值最大。钾有提高大豆脂肪降低蛋白质含量的趋势。钾能促进大豆产量的形成，以K5(0.136 g K2O kg-1土)处理产量最高，并且显著高于不施钾肥的处理。
Abstract:
Spring soybean is one of main crops cultivated in Heilongjiang province in China.The annual planted area is 2-2.3 million hectares.Thus，it is urgent to enhance the yield and its quality.Potassium fertilizer plays a vital role in the period of crop growth and development as well as its quality improving.The objective of current research was to provide technical support for high yield and quality of soybean production with high efficiency fertilization in Heilongjiang province.Pot-experiments were carried out to study the effect of potassium fertilizer on dry matter accumulation，yield and quality of soybean.Five potassium fertilizer supply levels 0，0.034，0.068，0.102，0.136 g K2O kg-1soil denoted as K1，K2，K3，K4，K5，were used in this experiment.The results showed that potassium enhanced the dry matter accumulation at flowering (R1)，however，no significant difference was observed for the five K treatments.The dry matter accumulation showed increased and then decreased trend with the increment of potassium amount at podding(R3) and pod filling(R5)，and significant difference among different treatments were observed at pod filling (R5) but not at podding（R3).The optimum application rate of potassium was K3 (0.068 g K2O kg-1?soil) for dry matter accumulation at podding（R3) and pod filling (R5).The ratio of root to shoot decreased with the growing of soybean，which was lowest at pod filling (R5).The root to shoot ratio declined sharply after the peak in K2 with potassium fertilizer application at flowering (R1) and podding（R3).K3 was the maximum value for the root to shoot ratio at pod filling stage (R5).The application of potassium fertilizer was beneficial to oil accumulation but not to protein accumulation.The more the application of potassium fertilizer，the more yield soybean would reach.The optimum rate of potassium fertilizer for yield was K5 (0.136 g K2O kg-1soil)，which was significantly superior to no-potassium (K1) treatment.

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备注/Memo

基金项目：国家重点基础研究发展计划(2005CB121106，2005CB121103); 国家科技支撑计划(2006BAD21B01，2006BAD05B05)

作者简介：闫春娟(1983-)，女，硕士研究生，主要从事作物生理研究。E-mail：yanchunjuan1983@163.com
通讯作者(Corresponding author)：韩晓增，研究员。Tel：0451-86602940； E-mail：hanxz@cern.ac.cn

更新日期/Last Update: 2014-10-09