传统稻鱼系统生产力提升对稻田水体环境的影响
S 3 j b yN , 4 6t.d j0.05, T FM T RFWB 9 As P0.05 b 9F , RF750 aRF1500 aRF2250 RF3000 RMM1 { , sA P0.05; RF1500 RF2250 Wi AsP0.05, A RF750P0.05; V 3 A , 8 TNc v9F , V g , 9F 8 TNc b 2.2.2 89TPc m 2 V , .dd , ]B 3 , W 8 TPc As F2,90.376, P0.697; 3w , 8 TP cv P0.05; 9} TVC S 9F , 8 TPc 9F , RF750 TP c A RF1500 aRF2250 RF3000P0.05 b S 3 000 kghm−2 / , 8 BA9F b 2.2.3 8 NH4-Nc .dd , T a T a 3 8 NH4-Nc M t ] 8 TP aTN c fB , ]B 3, WAs F2,90.341, P0.720m 3a b 4d m 3b, ] 8 NH4-Nc M t ] 8 TPc M t]M , 8 NH4-N HWM9i As P0.05; 9} RF750 NH4-N c A RF1500 aRF2250 RF3000P0.05, A RF3000 P0.05 b 4d , ]B 3 8 COD i As P0.05; 3 , CODv9F P 5 b Koohafkan [24];.dBYb8 3 3 , VT 3 n , u b , .dd 3 , m9 J6 p , 34 6 T T s j b V , 4d 3.dd 3 , RF1500 aRF2250 RF3000 l sY1.dd 25.2 a55.9 101.4 b1 -9F 6 l b 4d , 1 5002 250 kghm−2S , 8 TN aTP aNH4-N COD c C9F t ] , 9FiA b7 S r 3 000 kghm−2H , 8TP NH4-N c A RF750 aRF1500 RF2250, V RF2250 K , V[ LC6zZ b RF3000 TP NH4-N c A9FV N P V | J db bXie [25] U , d , g d l 42.9, 57.1W b Oehme [21]C , d , B sc sg; Y , g; , B sc b 4d , B S , g , V79F y { B b vSEV S GB3838 88, GHZB1 1999d S 2 250 kghm−2H , 3 H B 8S TN aTP aNH4-N COD Ⅴ S b - , o j [J]. S , 2008, 2810 2125–2132 Li C F, Cao C G, Wang J P, et al. Dynamic variations and losses of N in floodwater of paddy fields in integrated rice-duck and rice-fish ecosystems[J]. Acta Scientiae Circum-stantiae, 2008, 2810 2125–2132 [21] Oehme M, Frei M, Razzak M A, et al. Studies on nitrogen cy-cling under different nitrogen s in integrated rice-fish culture in Bangladesh[J]. Nutr Cycl Agroecosys, 2007, 792 181–191 [22] Y , XL , , . a T 3 drV N [J]. 3 , 2009, 295 2541–2550 Li C F, Cao C G, Wang J P, et al. Dynamics of soil soluble organic N in rice-duck and rice-fish ecosystems[J]. Acta Ecologica Sinica, 2009, 295 2541–2550 [23] , , q\ , . ZB 3r [J]. 3 , 2001, 123 405–408 Cao Z Q, Liang Z J, Zhao Y X, et al. Symbiotic efect of cul-tivating fish in rice field in north China[J]. Chin J Appl Eco, 2001, 123 405–408 [24] Koohafkan P, Furtado J. Traditional rice fish systems as globally important ingenious agriculture heritage system GIAHS[C]. Rome, Italy FAO Rice Conference, 2005 [25] Xie J, Hu L L, Tang J J, et al. Ecological mechanisms under-lying the sustainability of the agricultural heritage rice-fish coculture system[J]. Proc Natl Acad Sci USA, 2011, 10850 E1381–E1387 [26] Li C Y, He X H, Zhu S S, et al. Crop diversity for yield in-crease[J]. PloS One, 2009, 411 e8049 [27] Mder P, Fliessbach A, Dubois D, et al. Soil fertility and bio-diversity in organic farming[J]. Science, 2002, 2965573 1694–1697 [28] Gebbers R, Adamchuk V I. Precision agriculture and food security[J]. Science, 2010, 3275967 828–831 [29] Tester M, Langridge P. Breeding technologies to increase crop production in a changing world[J]. Science, 2010, 3275967 818–822 [30] W . 3 j T [J]. S 3 j , 2009, 173 405–409 Luo S M. Fundamental classification of eco-agricultural models[J]. Chinese Journal of Eco-Agriculture, 2009, 173 405–409
