Water Use Efficiency of Three Poplar-Wheat Intercropping Systems in Yudong Plain of He'nan Province

HE Chun-xia; ZHANG Jin-song; HUANG Hui; MENG Ping; FAN Wei

Volume 28 Issue 5

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Water Use Efficiency of Three Poplar-Wheat Intercropping Systems in Yudong Plain of He'nan Province

1.
Key Laboratory of Tree Breeding and Cultivation, State Forestry Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing 100091, China
2.
Collaborative-Innovation Center of Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing 210037, Jiangsu, China
3.
He'nan Academy of Forestry, Zhengzhou 450008, He'nan, China

Received Date: 2014-09-01

Abstract

In agroforestry system, trees and crops can make the best use of resources, such as water, nutrient, irradiance and so on. However, competition, particularly the water competition, may occur when the species configuration is not appropriate. The water use of 2-, 6-, and 15-year-old poplar-wheat intercropping systems at four growth period of winter wheat in Yudong Plain area of He'nan Province was studied by using stable carbon isotope technique. The water use efficiency (WUE) and water use quantity (WU) were calculated by using the stable carbon isotope ratio (δ13C), biomass and meteorological data. The results showed that the δ13C and WUE of both poplar and wheat from all the systems showed the highest values at the jointing stages of wheat. Two-year-old poplar had the highest δ13C and WUE values among the three intercropping systems during the whole wheat growth period (except the jointing stage). The δ13C and WUE of wheat from 2-year-old poplar-wheat intercropping was the highest among all the four systems at the seedling establishment stages, while that of sole wheat were the highest during the following growth periods in jointing, flowering-filling and maturing. The water use of sole wheat was 25.71% less than that of 2-year-old poplar intercropped with wheat, but was 2.78 and 1.88 times that of 6-year-old and 15-year-old poplar intercropped with wheat, respectively. The WUE and WU of wheat in all the three intercropping systems generally exhibited higher values at the middle and west of the tree rows than at the east. The wheat height, leaf mass per area, grain yield, total biomass, water use quantity and land equivalent ratio of 2-year-old poplar intercropped with wheat were higher than both sole wheat and wheat from the other two intercropping systems. However, the weight per thousand grain, harvest index and yield water use efficiency of sole wheat was the highest. The above results showed that 2-year-old poplar-wheat intercropping system had the greatest yield and highest land use efficiency. However, with the growing up of poplar trees, wheat is not appropriate to grow under the poplar, and some shade tolerant crop can be planted instead.
- agroforestry,
- δ¹³C,
- WUE,
- water use,
- grain yield

References

[1]	赵荟,王晶.农合农林系统种间关系研究进展[J].林业建设, 2012, 6(1):34-39.
[2]	Bohn B A, Kershner J L. Establishing aquatic restoration priorities using a watershed approach[J]. Journal of Environmental Management, 2002, 64(4):355-363.
[3]	李吉跃,周平,招礼军. 干旱胁迫对苗木蒸腾耗水的影响[J]. 生态学报,2002,22(9):1380-1386.
[4]	Anyia A O, Slaski J J, Nyachiro J M, et al. Relationship of carbon isotope discrimination to water use efficiency and productivity of barley under field and greenhouse conditions[J]. Journal of Agronomy & Crop Science, 2007,193(5):313-323.
[5]	Farquhar G D, O'Leary M H, Berry J A. On the relationship between carbon isotope discrimination and the intercellular carbon dioxide concentration in leaves[J]. Australian Journal of Plant Physiology, 1982, 9(2):121-137.
[6]	Farquhar G D, Ehleringer J R, Hubick K T. Carbon isotope discrimination and photosynthesis[J]. Annual Review of Plant Physiology Plant Molecular Biology, 1989, 40:503-537.
[7]	Chen J, Chang S X, Anyia. A O. The Physiology and Stability of Leaf Carbon Isotope Discrimination as a Measure of Water-Use Efficiency in Barley on the Canadian Prairies[J]. Journal of Agronomy & Crop Science, 2011, 197(1):1-11.
[8]	Schifman L A. Stella J C, Volk T A, et al. Carbon isotope variatio in shrub williow (Salix spp.) ring-wood as an indicator of long-term water status, growth and suivival[J]. Biomass and bioenergy, 2012, 36:316-326.
[9]	Pieters A J, Nunez M. Photosynthesis, water use efficiency and δ¹³C in two rice genotypes with contrasting response to water deficit[J].Photosynthetica, 2008, 46(4):574-580.
[10]	Joshua L A, Ann S E. Physiological variation among Populus fremotii populations:short and longterm relationships between δ¹³C and water availability[J]. Tree Physiology, 2001, 21(15):1149-1155.
[11]	王建林,杨新民,房全孝.不同尺度农田水分利用效率测定方法评述[J]. 中国农学通报,2010,26(6):77-80.
[12]	Evans J R. Nitrogen and photosynthesis in the flag leaf of wheat (Triticum aestivum L.)[J]. Plant Physiology, 1983,72(3):297-302.
[13]	Abbate P E, Dardanelli J L, Cantarero M G, et al. Climatic and water availability effects on water-use efficiency in wheat[J]. Crop Science, 2004,44(2):474-484.
[14]	Hu J, Moore D J P, Riveros-Iregui D A. Modeling whole-tree carbon assimilation rate using observed transpiration rates and needle sugar carbon isotope ratios[J]. New Phytologist,2010,185(4):1000-1015.
[15]	王玉涛,李吉跃,刘平,等.不同生活型绿化植物叶片碳同位素组成的季节特征[J].植物生态学报,2010, 34 (2):151-159.
[16]	Holmgren M. Combined effects of shade and drought on tulip poplar seedlings:trade-off in tolerance or facilitation[J]. Oikos,2000,90(1):67-78.
[17]	Quero J L, Villar R, Marañón T, et al. Interactions of drought and shade effects on seedlings of four Quercus species:physiological and structural leaf responses[J]. New Phytologist, 2006, 170(4):819-834.
[18]	Sudmeyer R A,Speijers J. Influence of windbreak orientation, shade and rainfall interception on wheat and lupin growth in the absence of below-ground competition[J]. Agroforest System, 2007, 71:201-214.
[19]	Bloch D, Hoffmann C M, Marlander B. Impact of water supply on photosynthesis, water use and carbon isotope discrimination of sugar beet genotypes[J]. European Journal of Agronomy, 2006:24(3):218-225.
[20]	何春霞,孟平,张劲松. 基于稳定碳同位素技术的华北低丘山区核桃-小麦复合系统种间水分利用研究[J]. 生态学报,2012,32(7):2047-2055.

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Water Use Efficiency of Three Poplar-Wheat Intercropping Systems in Yudong Plain of He'nan Province

1. Key Laboratory of Tree Breeding and Cultivation, State Forestry Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing 100091, China

2. Collaborative-Innovation Center of Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing 210037, Jiangsu, China

3. He'nan Academy of Forestry, Zhengzhou 450008, He'nan, China

Received Date: 2014-09-01

Abstract: In agroforestry system, trees and crops can make the best use of resources, such as water, nutrient, irradiance and so on. However, competition, particularly the water competition, may occur when the species configuration is not appropriate. The water use of 2-, 6-, and 15-year-old poplar-wheat intercropping systems at four growth period of winter wheat in Yudong Plain area of He'nan Province was studied by using stable carbon isotope technique. The water use efficiency (WUE) and water use quantity (WU) were calculated by using the stable carbon isotope ratio (δ13C), biomass and meteorological data. The results showed that the δ13C and WUE of both poplar and wheat from all the systems showed the highest values at the jointing stages of wheat. Two-year-old poplar had the highest δ13C and WUE values among the three intercropping systems during the whole wheat growth period (except the jointing stage). The δ13C and WUE of wheat from 2-year-old poplar-wheat intercropping was the highest among all the four systems at the seedling establishment stages, while that of sole wheat were the highest during the following growth periods in jointing, flowering-filling and maturing. The water use of sole wheat was 25.71% less than that of 2-year-old poplar intercropped with wheat, but was 2.78 and 1.88 times that of 6-year-old and 15-year-old poplar intercropped with wheat, respectively. The WUE and WU of wheat in all the three intercropping systems generally exhibited higher values at the middle and west of the tree rows than at the east. The wheat height, leaf mass per area, grain yield, total biomass, water use quantity and land equivalent ratio of 2-year-old poplar intercropped with wheat were higher than both sole wheat and wheat from the other two intercropping systems. However, the weight per thousand grain, harvest index and yield water use efficiency of sole wheat was the highest. The above results showed that 2-year-old poplar-wheat intercropping system had the greatest yield and highest land use efficiency. However, with the growing up of poplar trees, wheat is not appropriate to grow under the poplar, and some shade tolerant crop can be planted instead.

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[1]	赵荟,王晶.农合农林系统种间关系研究进展[J].林业建设, 2012, 6(1):34-39.
[2]	Bohn B A, Kershner J L. Establishing aquatic restoration priorities using a watershed approach[J]. Journal of Environmental Management, 2002, 64(4):355-363.
[3]	李吉跃,周平,招礼军. 干旱胁迫对苗木蒸腾耗水的影响[J]. 生态学报,2002,22(9):1380-1386.
[4]	Anyia A O, Slaski J J, Nyachiro J M, et al. Relationship of carbon isotope discrimination to water use efficiency and productivity of barley under field and greenhouse conditions[J]. Journal of Agronomy & Crop Science, 2007,193(5):313-323.
[5]	Farquhar G D, O'Leary M H, Berry J A. On the relationship between carbon isotope discrimination and the intercellular carbon dioxide concentration in leaves[J]. Australian Journal of Plant Physiology, 1982, 9(2):121-137.
[6]	Farquhar G D, Ehleringer J R, Hubick K T. Carbon isotope discrimination and photosynthesis[J]. Annual Review of Plant Physiology Plant Molecular Biology, 1989, 40:503-537.
[7]	Chen J, Chang S X, Anyia. A O. The Physiology and Stability of Leaf Carbon Isotope Discrimination as a Measure of Water-Use Efficiency in Barley on the Canadian Prairies[J]. Journal of Agronomy & Crop Science, 2011, 197(1):1-11.
[8]	Schifman L A. Stella J C, Volk T A, et al. Carbon isotope variatio in shrub williow (Salix spp.) ring-wood as an indicator of long-term water status, growth and suivival[J]. Biomass and bioenergy, 2012, 36:316-326.
[9]	Pieters A J, Nunez M. Photosynthesis, water use efficiency and δ¹³C in two rice genotypes with contrasting response to water deficit[J].Photosynthetica, 2008, 46(4):574-580.
[10]	Joshua L A, Ann S E. Physiological variation among Populus fremotii populations:short and longterm relationships between δ¹³C and water availability[J]. Tree Physiology, 2001, 21(15):1149-1155.
[11]	王建林,杨新民,房全孝.不同尺度农田水分利用效率测定方法评述[J]. 中国农学通报,2010,26(6):77-80.
[12]	Evans J R. Nitrogen and photosynthesis in the flag leaf of wheat (Triticum aestivum L.)[J]. Plant Physiology, 1983,72(3):297-302.
[13]	Abbate P E, Dardanelli J L, Cantarero M G, et al. Climatic and water availability effects on water-use efficiency in wheat[J]. Crop Science, 2004,44(2):474-484.
[14]	Hu J, Moore D J P, Riveros-Iregui D A. Modeling whole-tree carbon assimilation rate using observed transpiration rates and needle sugar carbon isotope ratios[J]. New Phytologist,2010,185(4):1000-1015.
[15]	王玉涛,李吉跃,刘平,等.不同生活型绿化植物叶片碳同位素组成的季节特征[J].植物生态学报,2010, 34 (2):151-159.
[16]	Holmgren M. Combined effects of shade and drought on tulip poplar seedlings:trade-off in tolerance or facilitation[J]. Oikos,2000,90(1):67-78.
[17]	Quero J L, Villar R, Marañón T, et al. Interactions of drought and shade effects on seedlings of four Quercus species:physiological and structural leaf responses[J]. New Phytologist, 2006, 170(4):819-834.
[18]	Sudmeyer R A,Speijers J. Influence of windbreak orientation, shade and rainfall interception on wheat and lupin growth in the absence of below-ground competition[J]. Agroforest System, 2007, 71:201-214.
[19]	Bloch D, Hoffmann C M, Marlander B. Impact of water supply on photosynthesis, water use and carbon isotope discrimination of sugar beet genotypes[J]. European Journal of Agronomy, 2006:24(3):218-225.
[20]	何春霞,孟平,张劲松. 基于稳定碳同位素技术的华北低丘山区核桃-小麦复合系统种间水分利用研究[J]. 生态学报,2012,32(7):2047-2055.

Water Use Efficiency of Three Poplar-Wheat Intercropping Systems in Yudong Plain of He'nan Province

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通讯作者: 陈斌, bchen63@163.com

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Water Use Efficiency of Three Poplar-Wheat Intercropping Systems in Yudong Plain of He'nan Province

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