|Table of Contents|

Effects of Nitrogen Leaf Application on Chlorophyll Content and Dry Matter Accumulation for Soybean cv. Hefeng 48(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2014年01期
Page:
142-144
Research Field:
Publishing date:

Info

Title:
Effects of Nitrogen Leaf Application on Chlorophyll Content and Dry Matter Accumulation for Soybean cv. Hefeng 48
Author(s):
LI Can-dong1SUN Hong-li2GUO Tai1WANG Zhi-xin1ZHENG Wei1ZHANG Zhen-yu1GUO Mei-ling1 ZHAO Jian-you1
1.Jiamusi Branch of Heilongjiang Academy of Agricultural Sciences,Jiamusi 154007,China;
2.Jiamusi University,Jiamusi 154007,China
Keywords:
SoybeanLeaf nitrogen applicationChlorophyll contentDry matter accumulation
PACS:
S565.1
DOI:
10.11861/j.issn.1000-9841.2014.01.0142
Abstract:
Using Hefeng 48, the popular planted soybean cultivar in Sanjiang Plain, as tested material, nitrogen amount of 4.0 ,4.5,5.0 and 5.5 kg.ha -1 were leaf sprayed at V5, R2 and R5 stage, and the chlorophyll content and dry matter accumulation were determined. Leaf nitrogen application could increase chlorophyll content and dry matter accumulation. Nitrogen applied at V5 promoted chlorophyll content and stem dry matter accumulation, and enhanced seed dry matter accumulation when applied at R5. Highest chlorophyll content (49.8 SPAD)and seed yield(26.38 g per plant) was obtained under 5 kg.ha-1 nitrogen applied at V5 and R5, respectively.

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Last Update: 2014-08-04