| This study takes these Taxus chinensis var.mairei which is grade One of national key protective plant and Camptotheca acuminate which is Grade Two of national protective plant two plants as objective species and manually collocates to arbor and shrub compound communities. is edificatory, Taxus chinensis var.mairei and Rosmarinus officinalis L.are subordinate. The upright structure of aboveground and underground of Camptotheca acuminate, Taxus chinensis var.mairei and Rosmarinus officinalis L.,establishes compound communities.Photosynthes is character, secondary metabolism and the relation with environmental factors, biomass character, the utilization in three-dimensional space of community, setting of life cycle forms are all investigated, directional culturing measure of man-made compound community of Camptotheca acuminate. was fixed finally, it is significant both in theory and practice.This study results indicate that:After manually collocating, soil condition has been improved, Camptotheca acuminate and Taxus chinensis var.mairei photosynthesis velocity increased. There is no difference of the maximun photosynthesis velocity and compensation point between solid culturing and truebred in Rosmarinus officinalis L. General analysis showed that Rosmarinus officinalis L has higher compensation point, the next one is Camptotheca acuminate, and Taxus chinensis var.mairei is the lowest, indicated that Taxus chinensis var.mairei is hygrophilous but Camptotheca acuminate and Rosmarinus officinalis L are yerophious, which is the theoretical basis of Camptotheca acuminate as the shield condition ofTaxus chinensis var.mairei.On the hand of secondary metabolism, camptothecin content peak value appeared in August to October and the average content is 0.86‰ in solid area, 0.80‰in Camptotheca acuminate area, camptothecin content is higher in mixed forest than in Camptotheca acuminate simple Area. Taxol content of Taxus chinensis var.mairei appeared peak value in September and the average content is 0.162‰ in solid area, 0.104‰ in Taxus chinensis var.mairei area, it is higher in solid area than in Taxus chinensis var.mairei simple area.With the biomass, the sum biomass is 5.543kg/m~2 in solid area, 1.948kg/m~2 in Taxus chinensis var.meirei simple area which less than a half of that in solid area, 3.2kg/m in Camptotheca acuminate simple area, and 2.79kg/m~2 in Rosmarinus officinalis L simple area. The results illuminated that biomass achieved most value in solid mixed planting, meanwhile the soil could be utilized most efficiently.With the three-dimensional space utilization, the utilization ratio is 29.4% in No.1 solid area, 17.09% in Taxus chinensis var.mairei area, 10.06% in Camptotheca acuminate area and11.25% in Rosmarinus officinalis L area. The three species three-dimensional space utilization ratio underground which is 13.36% got the most efficient in No.l solid area, and 9.42% in Camptotheca acuminate area, 2.60% in Rosmarinus officinalis L., 1.51% in Taxus chinensis var. mairei. It indicated that three-dimensional space structure could get the aboveground and underground utilized most widely.The three-dimensional planter area organic content is bigger than the purebred planter area. Indicated three-dimensional mixes hands over the disposition, increased the soil organic content. In September three-dimensional plants 1 area organic content is 3.2%. Three-dimensional plants 2 areas is 2.81%, three-dimensional plants 3 areas is 1.61%, the camptotheca acuminata purebred planter area is 1.59%, south the Chinese yew purebred planter area is 1.60%, the rosemary purebred planter area is 1.61%.The three-dimensional planter area soil moisture is higher than the purebred planter area, indicated three-dimensional mixes hands over the disposition to be able to enhance the soil moisture content. In the growth flush period June to August average moisture content, three-dimensional plants 1 area is 45.17%, three-dimensional plants 2 areas is 49.89%, three-dimensional plants 3 areas is 46.28%, the camptotheca acuminata purebred planter area is 34.11%, south the Chinese yew purebred planter area is 37.95%, the rosemary purebred planter area is 22.67%.In the three-dimensional planter area the Camptotheca acuminata provides shade for the Taxus chinensis var.mairei and in the Taxus chinensis vdtx.mairei purebred planter area black reseau provides shade for the Taxus chinensis vzr.mairei enables the Taxus chinensis vai.mairei the normal growth, through compares with exterior blank comparison intensity, take the noon 12 o'clock as, the outside strength of illumination is 105000Lux, south the Taxus chinensis var.mairei purebred planter area is apart from the ground 1 meter high place strength of illumination is 16333Lux, three-dimensional plants 1 area to be apart from the ground 1 meter high place strength of illumination is 39667Lux, in the Taxus chinensis var.mairei purebred planter area strength of illumination for the outside strength of illumination 15.6%, three-dimensional plants in 1 area the strength of illumination for the outside luminous intensity 38%, three-dimensional plants 2 areas to be apart from the ground 1 meter high place strength of illumination is 52666Lux,For outside strength of illumination 50%.Three-dimensional plants 1 area the Camptotheca acuminata and three-dimensional plants 2 areas the Camptotheca acuminata life history division results respectively is V0.7670S0C0.2330 and V0.7751S0C0.2249, all belongs V, the adult plant reaches as high as 250-280cm, base stem 6.0-6.5cm, branching quantity are many, crown big, the branching was in the past long, the Camptotheca acuminata single biomass achieved 13.5kg, the aerial parts biomass occupied the total biomass 82.6%. The Camptotheca acuminata purebred planter area Camptothecaacuminata life history division result is V0.6707S0C0.3293, belongs to CV, the adult plant reaches as high as 160-230cm, base stem 2.7-4.Ocm, is opposite in the three-dimensional planter area V Camptotheca acuminata, CV Camptotheca acuminata branching quantity are few, crown small, the branching was in the past short, the CV Camptotheca acuminata single biomass achieved 9.6kg, the aerial parts biomass occupied the total biomass 80.7%. Indicated three-dimensional mixed hands over the disposition to promote the Camptotheca acuminata vegetative growth.Three-dimensional plants 1 area Taxus chinensis vsa.mairei and three-dimensional plants 2 areas the south Chinese yew life history division results respectively is V0.6013S0C0.39s7 and Vo.6i78SoCo.3822, all belongs to CV, the single biomass is 0.32kg, Taxus chinensis vax.mairei leaf the taxol highest content is 0.162mg/go Taxus chinensis var.mairei purebred planter area Taxus chinensis vax.mairei life history division result is V0.874sS0C0.1252, belongs V, the single biomass is 0.487kg, south in the Taxus chinensis \ar.mairei leaf the taxol highest content is 0.104mg/g. Three-dimensional mixes hands over the disposition to cause the Taxus chinensis var.mairei life history to the C transformation, enhanced the taxol content.Three-dimensional plants 1 area Rosmarinus officinalis L. life history is V0.738iS0C0.26i9, belongs to V life history;Three-dimensional plants 2 area Rosmarinus officinalis L. life history is V0.3873S0.4903C0.1224, belongs to the VS life history;The rosemary purebred planter area Rosmarinus officinalis L. life history is V0.3473S0.5627C0.09, belongs to the VS life history. In the Rosmarinus officinalis L. purebred planter area in the VS Rosmarinus officinalis L. carnosic acid and the volatile oil content is higher than three-dimensional plants in 1 area V Rosmarinus officinalis L. and three-dimensional plants in 2 areas the VS Rosmarinus officinalis L.. |
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