不同土壤质地对平邑甜茶幼苗连作障碍程度的影响

盛月凡,王海燕,乔鈜元,王玫,陈学森,沈向,尹承苗,毛志泉

Effects of Different Soil Textures on the Degree of Replanted Disease of Malus hupehensis Rehd.

SHENG YueFan,WANG HaiYan,QIAO HongYuan,WANG Mei,CHEN XueSen,SHEN Xiang,YIN ChengMiao,MAO ZhiQuan

表4 不同质地连作土壤对土壤可培养微生物的影响

Table 4 Effect of different soil texture on the population of soil microorganisms under replant conditions

土壤类型 Soil type	土壤处理 Soil treatments	细菌 Bacteria (×10⁵CFU/g)	真菌 Fungus (×10³ CFU/g)	放线菌 Actinomycetes (×10⁴CFU/g)
砂壤土 Sandy loam	溴甲烷熏蒸土 Methyl bromide soil	5.00±0.58*	12.00±2.08*	10.33±1.86*
砂壤土 Sandy loam	连作土 Replanted soil	17.33±1.45	33.33±1.86	44.00±1.53
壤土 Loam	溴甲烷熏蒸土 Methyl bromide soil	100.67±2.40**	9.33±1.33**	4.00±0.58*
壤土 Loam	连作土 Replanted soil	15.33±1.20	37.67±1.20	69.00±2.65
黏壤土 Clay loam	溴甲烷熏蒸土 Methyl bromide soil	149.67±3.48**	5.33±1.45*	6.33±1.45*
黏壤土 Clay loam	连作土Replanted soil	20.67±1.76	28.67±2.73	69.00±2.08