EFFECTS OF DIFFERENT WATER MANAGEMENT METHODS ON SEEDING RATE, PHENOLOGICAL AND YIELDING PROPERTIES OF DIFFERENT RICE CULTIVARS (ORYZA SATIVA L.)

被引：5

作者：

Du, B. ^{[1
,2
,4
]}

Luo, H. W. ^{[4
]}

Liu, C. ^{[1
,2
]}

Lei, C. Y. ^{[3
]}

Jiang, S. C. ^{[1
,2
]}

Lou, Y. G. ^{[1
,2
]}

Xu, Y. Y. ^{[1
,2
]}

Wang, M. ^{[1
,2
]}

Shi, L. ^{[1
,2
]}

Xing, D. Y. ^{[1
,2
]}

机构：

[1] Yangtze Univ, Coll Agr, Jingzhou 434025, Peoples R China

[2] Hubei Cooperat Innovat Ctr Major Food Crops, Jingzhou 434025, Peoples R China

[3] Hubei Prov Dept Agr, Jingzhou 434025, Peoples R China

[4] South China Agr Univ, Coll Agr, Dept Crop Sci & Technol, Guangzhou 510642, Guangdong, Peoples R China

来源：

APPLIED ECOLOGY AND ENVIRONMENTAL RESEARCH | 2019年 / 17卷 / 02期

关键词：

rice; water condition; seedling rate; seedling quality; yield; dry matter accumulation; DIRECT-SEEDED RICE; SEEDLING GROWTH; DEEP PLACEMENT; GERMINATION; NITROGEN;

D O I：

10.15666/aeer1702_42694279

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

Flooding management is an effective and environmental-friendly way to reduce weed populations in paddy fields. However, flooding would also cause waterlogging in direct seeding rice production. The present study was conducted to explore the effect of different water management methods at the germination stage on rice growth and yield, with six rice varieties as materials. 0, 1, 2, and 3 cm water layer treatments at germination stage were set and named as I0, I1, I2 and I3, respectively. The result showed that I1 and I2 treatments significantly reduced seedling rate and seedling quality compared to I0. The highest yield was recorded during I0, while the yield in the case of I3 treatment was lower than the former but higher than I1 and I2. Similar trends were also recorded in dry matter weight at heading stage and maturity stage.

引用

页码：4269 / 4279

页数：11

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