CLC number: S131, S511
On-line Access: 2024-08-27
Received: 2023-10-17
Revision Accepted: 2024-05-08
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WANG Guang-huo, Dobermann, A., Witt, C., FU Rong-xing, SUN Qing-zu. A NEW APPROACH TO INCREASE THE ATTAINABLE RICE YIELD IN INTENSIVE IRRIGATED RICE SYSTEMS OF ZHEJIANG PROVINCE, CHINA[J]. Journal of Zhejiang University Science A, 2001, 2(2): 196-203.
@article{title="A NEW APPROACH TO INCREASE THE ATTAINABLE RICE YIELD IN INTENSIVE IRRIGATED RICE SYSTEMS OF ZHEJIANG PROVINCE, CHINA",
author="WANG Guang-huo, Dobermann, A., Witt, C., FU Rong-xing, SUN Qing-zu",
journal="Journal of Zhejiang University Science A",
volume="2",
number="2",
pages="196-203",
year="2001",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2001.0196"
}
%0 Journal Article
%T A NEW APPROACH TO INCREASE THE ATTAINABLE RICE YIELD IN INTENSIVE IRRIGATED RICE SYSTEMS OF ZHEJIANG PROVINCE, CHINA
%A WANG Guang-huo
%A Dobermann
%A A.
%A Witt
%A C.
%A FU Rong-xing
%A SUN Qing-zu
%J Journal of Zhejiang University SCIENCE A
%V 2
%N 2
%P 196-203
%@ 1869-1951
%D 2001
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2001.0196
TY - JOUR
T1 - A NEW APPROACH TO INCREASE THE ATTAINABLE RICE YIELD IN INTENSIVE IRRIGATED RICE SYSTEMS OF ZHEJIANG PROVINCE, CHINA
A1 - WANG Guang-huo
A1 - Dobermann
A1 - A.
A1 - Witt
A1 - C.
A1 - FU Rong-xing
A1 - SUN Qing-zu
J0 - Journal of Zhejiang University Science A
VL - 2
IS - 2
SP - 196
EP - 203
%@ 1869-1951
Y1 - 2001
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.2001.0196
Abstract: A new site-specific nutrient management approach was developed to break the apparent attainable yield barrier of 6 t·ha-1 in the double rice cropping system of Zhejiang. On-farm experiments involving 21 rice-growing farmer families and NPK long-term experiments commenced in 1997 in the central part of Zhejiang Province to assess the status of soil fertility and productivity under intensive rice-rice cropping. A new site-specific nutrient management (SSNM) approach has been developed for this studied area. Field-specific fertilizer recommendations are calculated considering indigenous nutrient supply, reasonable grain yield targets and corresponding nutrient demand, nutrient balance and nutrient use efficiency, as well as socio-economic factors. The agronomic performance of SSNM was tested against the farmer's fertilizer practice (FFP) in four 1998-1999 cropping seasons. Across seasons and years, SSNM consistently increased plant nutrient uptake, grain yield and profit by about 10%-15% compared to the FFP. Yield levels of 7.5 t·ha-1 or more seem achievable and sustainable through introduction of SSNM and improved extension services in Zhejiang Province.
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