Effect of water and fertilizer on economic properties of winter wheat in Loess Plateau galley regions

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Chinese Journal of Applied Ecology ›› 1999, Vol. 10 ›› Issue (3): 309-311.

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Effect of water and fertilizer on economic properties of winter wheat in Loess Plateau galley regions

Li Xiangmin¹, Xu Chunxia¹, Li Kaiyuan²

1. Northwest Institute of Botany, Shaanxi Province and Academia Sinica, Yangling 712100;
2. Soil and Water Conservation Institute, Academia Sinica, Yangling 712100

Received:1997-01-29 Revised:1998-05-20 Online:1999-05-25 Published:1999-05-25

Abstract

Abstract: Field experiment shows that in Loess Plateau galley regions, the most important limiting factor for wheat growth was fertilizer instead of water. With irrigation, fertilization had a significant positive effect on the economic properties of winter wheat, while irrigation could have a positive effect only when the fertilizer was applied.

Key words: Loess Plateau, Winter Wheat, Economic factors, Water and fertilizer, continuous cropping, sink-source relationship, sink size, source activity, potato, sink activity

Li Xiangmin, Xu Chunxia, Li Kaiyuan . Effect of water and fertilizer on economic properties of winter wheat in Loess Plateau galley regions[J]. Chinese Journal of Applied Ecology, 1999, 10(3): 309-311.

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Effect of water and fertilizer on economic properties of winter wheat in Loess Plateau galley regions

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