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| 1 | Long-Term Effects of Manure and Inorganic Fertilizers on Yield and Soil Fertility for a Winter Wheat-Maize System in Jiangsu, China显示文摘Winter wheat-maize rotations are dominant cropping systems on the North China Plain, where recently the use of organic manure with grain crops has almost disappeared. This could reduce soil fertility and crop productivity in the long run. A 20-year field experiment was conducted to 1) assess the effect of inorganic and organic nutrient sources on yield and yield trends of both winter wheat and maize, 2) monitor the changes in soil organic matter content under continuous wheat-maize cropping with different soil fertility management schemes, and 3) identify reasons for yield trends observed in Xuzhou City, Jiangsu Province, over a 20-year period. There were eight treatments applied to both wheat and maize seasons: a control treatment (C); three inorganic fertilizers, that is, nitrogen (N), nitrogen and phosphorus (NP), and nitrogen, phosphorus and potassium (NPK); and addition of farmyard manure (FYM) to these four treatments, that is, M, MN, MNP, and MNPK. At the end of the experiment the MN, MNP, and MNPK treatments had the highest yields, about 7 t wheat ha-1 and 7.5 t maize ha-1, with each about 1 t ha-1 more than the NPK treatments. Over 20 years with FYM soil organic matter increased by 80% compared to only 10% with NPK, which explained yield increases. However, from an environmental and agronomic perspective, manure application was not a superior strategy to NPK fertilizers. If manure was to be applied, though, it would be best applied to the wheat crop, which showed a better response than maize. | JIANG Dong H. HENGSDIJK DAI Ting-Bo W. de BOER JING Qi CAO Wei-Xing | 2006 | Pedosphere2006，16，1： | 40 |
| 2 | Formalizing agro-ecological engineering for future-oriented land use studies显示文摘 | Hengsdijk H van Ittersum M | 2003 | European Journal of Agronomy2003，19，4： | 1 |
| 3 | The impact of in-creasing farm size and mechanization on rural income and rice productionin Zhejiang province,China显示文摘 | VAN DEN BERG M M HENGSDIJK H WOLF J | 2007 | Agricultural Systems2007，94，3： | 1 |
| 4 | The effect of temporal variation on inputs and outputs of future-oriented land use systems in West Africa显示文摘 | H HENGSDIJK H VAN KEULEN | 2002 | Agriculture Ecosystems and Environment2002，91，： | 1 |
| 5 | Poverty and Biodiversity Trade- offs in Rural Development: a Case Study for Pujiang County, China显示文摘 | Huib Hengsdijk Wang Guanghuo Marrit M Van den berg | 2007 | Agricultural Systems2007，94，3： | 1 |
| 6 | Exploring options to com- bine high yields with high nitrogen use efficiencies in irrigated rice in China显示文摘 | Jing Q Bouman B A M Hengsdijk H | 2007 | European Journal of Agronomy2007，26，2： | 1 |
| 7 | Exploring options to combine high yields with high nitrogen use efficiencies in irrigated rice in China 显示文摘 | Jing Q Boumanb B A M Hengsdijk H | 2007 | Eur J Agronomy2007，26，： | 1 |
| 8 | Exploring options to combine high yields with high nitrogen use efficiencies in irrigated rice in China 显示文摘 | Jing Q Bouman B A M Hengsdijk H | 2007 | European Journal of Agronomy2007，26，： | 1 |
| 9 | Application of a progressive- difference method to identify climatic factors causing variation in the rice yield in the Yangtze Delta, China显示文摘 | Yu Q Hengsdijk H Liu J D | 2001 | Internation- al Journal of Biometeorology2001，45，2： | 1 |
| 10 | Exploring options to combine high yields with high nitrogen use efficiencies in irrigated rice in China显示文摘 | Jing Q Bouman B A M Hengsdijk H | 2007 | European Journal of Agronomy2007，26，2： | 1 |
| 11 | Exploring options to combine high yields with high nitrogen use efficieneies in irriga- ted rice in China显示文摘 | Q Jing B A M Bouman H Hengsdijk | 2007 | European journal of agronomy2007，26，： | 1 |
| 12 | The Impact of Increasing Farm Size and Mechanization on Rural Income and Rice Production in Zhejiang Province, China 显示文摘 | Van den Berg M M Hengsdijk H Wolf J | 2007 | Agricultural Systems2007，94，： | 1 |
| 13 | Exploring op- tions to combine high yields with high nitrogen use effi- ciencies in irrigated rice in China 显示文摘 | Jing Q Bouman B A M Hengsdijk H | 2007 | European Journal of Agronomy2007，26，2： | 1 |
| 14 | Farm household modeling for estimating the effectiveness of price instruments in land use policy显示文摘 | Kruseman G Ruben R Hengsdijk H | 1995 | Netherlands Journal of Agricultural Science1995，43，： | 1 |
| 15 | Exploring options to combine high yields with high nitrogen use efficiencies in irrigated rice in China显示文摘 | Jing Q Bouman B A M Hengsdijk H | 2007 | Eur J Agron2007，26，： | 1 |
| 16 | Exploring options to combine high yield with high nitrogen use efficiencies in irrigated rice in China 显示文摘 | Jing Q Bouman B A M Hengsdijk H VanKeulen H Cao W | 2007 | European Journal of Agronomy2007，26，： | 1 |
| 17 | Quantifying production potentials of winter wheat in the North China Plain显示文摘 | Wu D R Yu Q Lu C H Hengsdijk H | | 0，，： | 1 |
| 18 | Exploring options to combine high yields with high nitrogen use ef- ficiencies in irrigated rice in China显示文摘 | Jing Q Bouman B A M Hengsdijk H | 2007 | European Jour- nal of Agronomy2007，26，： | 1 |
| 19 | Exploring options to combine high yields with high nitrogen use efficiencies in irrigated rice in China显示文摘 | Q. Jing B.A.M. Bouman H. Hengsdijk H. Van Keulen W. Cao | 2006 | European Journal of Agronomy2006，，2： | 1 |
| 20 | The impact of increasing farm size and mechanization on rural income and rice production in Zhejiang Province, China 显示文摘 | Van den Berg M M Hengsdijk H Wolf J | 2007 | Agricultural Systems2007，94，3： | 1 |
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