Integrated soil-crop system management for food security

被引：623

作者：

Chen, Xin-Ping ^{[1
]}

Cui, Zhen-Ling ^{[1
]}

Vitousek, Peter M. ^{[2
]}

Cassman, Kenneth G. ^{[3
]}

Matson, Pamela A. ^{[4
]}

Bai, Jin-Shun ^{[1
]}

Meng, Qing-Feng ^{[1
]}

Hou, Peng ^{[1
]}

Yue, Shan-Chao ^{[1
]}

Roemheld, Volker ^{[5
]}

Zhang, Fu-Suo ^{[1
]}

机构：

[1] China Agr Univ, Coll Resources & Environm Sci, Beijing 100193, Peoples R China

[2] Stanford Univ, Dept Biol, Stanford, CA 94305 USA

[3] Univ Nebraska, Dept Agron & Hort, Lincoln, NE 68583 USA

[4] Stanford Univ, Sch Earth Sci, Stanford, CA 94305 USA

[5] Univ Hohenheim, Inst Plant Nutr, D-70593 Stuttgart, Germany

来源：

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA | 2011年 / 108卷 / 16期

基金：

中国国家自然科学基金;

关键词：

environmental integrity; nutrient use efficiency; crop yield; nitrogen fertilization; smallholder farm; HYBRID-MAIZE; AGRICULTURE; INTENSIFICATION; FERTILIZER; DEMAND;

D O I：

10.1073/pnas.1101419108

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

China and other rapidly developing economies face the dual challenge of substantially increasing yields of cereal grains while at the same time reducing the very substantial environmental impacts of intensive agriculture. We used a model-driven integrated soil-crop system management approach to develop a maize production system that achieved mean maize yields of 13.0 t ha(-1) on 66 on-farm experimental plots-nearly twice the yield of current farmers' practices-with no increase in N fertilizer use. Such integrated soil-crop system management systems represent a priority for agricultural research and implementation, especially in rapidly growing economies.

引用

页码：6399 / 6404

页数：6

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