四川林业科技
四川林業科技
사천임업과기
JOURNAL OF SICHUAN FORESTRY SCIENCE AND TECHNOLOGY
2012年
1期
19-22
,共4页
麻疯树%土壤%微生物%种群数量
痳瘋樹%土壤%微生物%種群數量
마풍수%토양%미생물%충군수량
Jatropha curcas%Soil%Microbial%Populations
本文利用土壤微生物传统数量测定法,分析了攀枝花9个麻疯树主要分布区土壤微生物数量分布情况。分析结果表明,在三大微生物种群中,细菌占93.9%,丝状真菌和放线菌分别占3.1%和3.0%;不同林分年龄土壤微生物总数差异显著,成熟林分(1237.6×10^4)〉人工幼林(955.4×10^4);土壤类型不同,微生物种群数量差异明显,红壤(1349.2×10^4)〉黄沙壤(1306.8×10^4)〉山地黄壤(580.0×10^4)。通过土壤主要微生物生理类群分析结果,攀枝花麻疯树主要分布区土壤微生物生理类群数量比较贫乏,在氨化细菌数量中,红壤(37.0×10^3)〉黄沙壤(0.8×10^3)〉山地黄壤(0.3×10^3);在好气性纤维菌中,红壤(0.8×10^3)〉黄沙壤(0.7×10^3)〉山地黄壤(0.3×10^3);消化细菌,反消化细菌在山地黄壤和黄沙壤有少量分布;在3种土壤中均未分离到好气性固氮菌,说明攀枝花麻疯树主要分布区土壤不适宜好气性固氮菌生长繁殖。
本文利用土壤微生物傳統數量測定法,分析瞭攀枝花9箇痳瘋樹主要分佈區土壤微生物數量分佈情況。分析結果錶明,在三大微生物種群中,細菌佔93.9%,絲狀真菌和放線菌分彆佔3.1%和3.0%;不同林分年齡土壤微生物總數差異顯著,成熟林分(1237.6×10^4)〉人工幼林(955.4×10^4);土壤類型不同,微生物種群數量差異明顯,紅壤(1349.2×10^4)〉黃沙壤(1306.8×10^4)〉山地黃壤(580.0×10^4)。通過土壤主要微生物生理類群分析結果,攀枝花痳瘋樹主要分佈區土壤微生物生理類群數量比較貧乏,在氨化細菌數量中,紅壤(37.0×10^3)〉黃沙壤(0.8×10^3)〉山地黃壤(0.3×10^3);在好氣性纖維菌中,紅壤(0.8×10^3)〉黃沙壤(0.7×10^3)〉山地黃壤(0.3×10^3);消化細菌,反消化細菌在山地黃壤和黃沙壤有少量分佈;在3種土壤中均未分離到好氣性固氮菌,說明攀枝花痳瘋樹主要分佈區土壤不適宜好氣性固氮菌生長繁殖。
본문이용토양미생물전통수량측정법,분석료반지화9개마풍수주요분포구토양미생물수량분포정황。분석결과표명,재삼대미생물충군중,세균점93.9%,사상진균화방선균분별점3.1%화3.0%;불동림분년령토양미생물총수차이현저,성숙림분(1237.6×10^4)〉인공유림(955.4×10^4);토양류형불동,미생물충군수량차이명현,홍양(1349.2×10^4)〉황사양(1306.8×10^4)〉산지황양(580.0×10^4)。통과토양주요미생물생리류군분석결과,반지화마풍수주요분포구토양미생물생리류군수량비교빈핍,재안화세균수량중,홍양(37.0×10^3)〉황사양(0.8×10^3)〉산지황양(0.3×10^3);재호기성섬유균중,홍양(0.8×10^3)〉황사양(0.7×10^3)〉산지황양(0.3×10^3);소화세균,반소화세균재산지황양화황사양유소량분포;재3충토양중균미분리도호기성고담균,설명반지화마풍수주요분포구토양불괄의호기성고담균생장번식。
In this paper,the quantitative determination method was used for analysizing the distribution of soil microbial quantity in 9 Jatropha curcas tree distribution areas of Panzihua. The results of the analysis showed that in the three major microbial populations, bacteria accounted for 93.9 % , filamentous fungi and actinomycetes occupied 3.1% and 3.0% respectively. The total number of soil microorganisms in different stand ages displayed a significant difference: mature stands (1 237.6×10^4) 〉 plantation (955.4×10^4). Different soil types had an obvious difference in microbial total number:red soil (1 349. 2 ×10^4) 〉 yellow sand soil ( 1 306. 8×10^4) 〉 mountain yellow soil (580. 0×10^4 ). On the basis of main soil microbial physiological class group analysis results, in the main distribution area of Jatropha curcas in Panzihua soil microbial physiological class group number was comparatively poor. As for ammoniated bacteria number,mountain red soil (37. 0×10^3) 〉 yellow sand soil (0. 8×10^3) 〉 yellow soil (0. 3×10^3). As for aerobic sexual fiber bacteria, red soil (0. 8×10^3) 〉 yellow sand soil (0. 7 ×10^3) 〉 mountain yellow soil (0. 3×10^3 ) ; digestive bacteria and anti-digestive bacteria had a small amount of distribution in mountain yellow soil and yellow sand soil. No aerobic nitrogen-fixing bacteria were found in three types of soil, implying that the soil of the main distribution areas of Jatropha curcas in Panzihua was not suitable for the reproduction of aerobic nitrogen-fixing bacteria.