Grading of Robinia pseudoacacia and Platycladus orientalis woodland soil's water availability and productivity in semi-arid region of Loess Plateau

Abstract

Abstract: With Li 6200 photosynthesis determination system and Li-1600 steaty state poro meter, this paper studied the responses of Robinia pseudoacacia L. and Platycladus orientalis L. leaves' net photo synthesis rate (Pn), carboxylation efficiency (CE), transpiration rate (Tr), water use efficiency (WUE_L), stomata conductance (Cs), stomata resistance (Rs),intercellular CO₂ concentration(Ci) and stomatal limitation (Ls) of Robinia pseudoacacia and Platycladus orientalis leaves to soil water content (SWC) in semi arid region of Loess Plateau,and based on this,the soil water availability and its productivity of test woodland soils were graded and evaluated. The results showed that on Robinia pseudoacacia and Platycladus orientalis woodland, the SWCless than4.5% and 4.0 %,respectively belonged to “non available water”; in the range of 4.5%～10.0% and 4.0 %～8.5%, “low productivity and low efficiency water”; 10.0%～13.5% and 8.5%～11.0%,“middle productivity and high efficiency water”;13.5%～17.0% and 11.0%～16.0%,“high productivity and middle efficiency water”; 17.0%～19.0% and 16.0%～19.0%,“middle productivity and low efficiency water”; and more that 19.0%,“low productivity and low efficiency water”.

CLC Number:

S718.5

ZHANG Guangcan, LIU Xia, HE Kangning. Grading of Robinia pseudoacacia and Platycladus orientalis woodland soil's water availability and productivity in semi-arid region of Loess Plateau[J]. Chinese Journal of Applied Ecology, 2003, (6): 858-862.

References

[1] Farquhar GD, Sharkey TD. 1982. Stomatal conductance and photosynthesis. Ann Rev Plant Physiol , 33: 317～345
[2] Gou Q-R(郭庆荣),Li Y-S(李玉山)1994 Soil moisture avail ability to plant in the southern the Loess Plateau Acta Pedol Sin(土壤学报),31(3):236～243(in Chinese)
[3] GuoQ-R(郭庆荣),ZhangB-G(张秉刚).1995 Review of studieson soil moisture availability.Trap Subtrop Soil Sci(热带亚热带土壤科学),4(2):119～124(in Chinese)
[4] Jie Y-L(接玉玲),Yang H-Q(杨洪强),Cui M-G(崔明刚),et al.2001 Relation between soil water content and water use efficiencyof appleleaves.Chin J Appl Ecol(应用生态学报),12(3):387～390(in Chinese)
[5] Liu C-M(刘昌明),Wang H-X(王会肖).1999.The InterfaceProcesses of Water Movement in the Soil-Crop-Atmosphere and Water-saving Regulation. Beijing:Science Press. 160～152(in Chinese)
[6] Liu F-J(刘奉觉)1997.Studies on comparison of measuring water-consumption for transpirationin poplar Sci Silvae Sin(林业科学),33(2):117～126(in Chinese)
[7] Richards LA. 1952. Soil water and plant growth. In: Shaw BT, eds. Soil Physical Conditions and Plant Growth. New York: Aca demic Press. 73～251
[8] Shangguan Z-P (上官周平). 1999. Physiological mechanism of highly efficiency use of limited water supply by winter wheat. ChinJAppl Ecol(应用生态学报),10(5):567～569(in Chinese)
[9] ShnL(山仑),Xu M(徐萌)1991.Water-saving agriculture andits physio-ecological bases.Chin J Appl Ecol(应用生态学报),2(1): 70～76(in Chinese)
[10] Veihmeyer FJ. 1972. The availability of soil moisture to plants: Results of empirical experiments with fruit trees. Soil Sci, 111:268～294
[11] Wang B-R(王斌瑞),Wang B-T(王百田)1996 Runoff Forestry on the Loess Plateau.Beijing:China Forestry Press 10～20(in Chinese)
[12] Wang K-Q(王克勤),Wang B-R(王斌瑞).2000.Study on the water productivity of stands afforested by water-harvesting.Sci Silvae Sin(林业科学),36(supp 1):1～9(in Chinese)
[13] Xu D-Q(许大全)1 997.Some problems in stomatal lumitationanalysis of photosynthesis Plannt Physiol Commun(植物生理学通讯),33(4):24l～244(in Chinese)
[14] Yang W-Z(杨文治),Shao M-A(邵明安)2000.Study on Soil Water on Loess P1ateau.Beijing:Science Press.214～249(in Chinese)
[15] Yu X-X(余新晓),Zhang J-J(张建军),Zhu J-Z(朱金兆).1996. Analysis and evaluation of soil water conditions protective forest e cosystemin Loess Plateau.Sci Silvae Sin(林业科学),32(4):289～296(in Chinese)