|Table of Contents|

Effect of Topdressing Urea at Beginning of Bloom on Seed Quality of Vegetable-Type Soybean Cultivars(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2011年05期
Page:
804-808
Research Field:
Publishing date:

Info

Title:
Effect of Topdressing Urea at Beginning of Bloom on Seed Quality of Vegetable-Type Soybean Cultivars
Author(s):
ZHANG Hui-jun; LU Rong; WANG Hai-ying; AO Xue; XIE Fu-ti
Agronomy College，Shenyang Agricultural University，Shenyang 110161，Liaoning，China
Keywords:
Vegetable-type soybean; Urea; Soluble sugar; Fat; Protein
PACS:
S565.1
DOI:
10.11861/j.issn.1000-9841.2011.05.0804
Abstract:
Three early-maturity and one late-maturity vegetable-type soybean were used as materials to study the effect of urea topdressing at R1 on dynamic accumulation and final content of soluble sugar,fat and protein in soybean seed.From seed-filling to mature stage，soluble sugar content increased，fat content showed “S” curve，protein content increased and decreased a little at the end of growth stage.For the early-maturity cultivars，seed soluble sugar content accumulated mostly during the 25-32 days after blooming，while 25-39 days for the late-maturity cultivar.The seed protein accumulated mostly during 25-32 days after blooming for the early-maturity cultivar.Topdressing urea at the beginning of bloom could increase the average accumulation rate and the maximum accumulation rate of seed soluble sugar，fat and protein，and the middle fertilizer level(75 kg·ha-1)was more effective than that of the high fertilizer level(150 kg·ha-1).

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Last Update: 2014-08-16