新型土壤消毒一体机提高棉隆土壤分布均匀性

方文生,曹坳程,王秋霞,颜冬冬,李园,靳茜,赵奇龙,仇耀康,赵宏明

A New Integrated Soil Disinfection Machine Improves the Uniformity of Dazomet in Soil

FANG WenSheng,CAO AoCheng,WANG QiuXia,YAN DongDong,LI Yuan,JIN Xi,ZHAO QiLong,QIU YaoKang,ZHAO HongMing

表2 棉隆手撒和机施模式下不同深度土层镰孢菌和疫霉菌计数及减退率

Table 2 Count and decrease rate of Fusarium and Phytophthora in different soil depths under dazomet hand-sprinkling and machine application

安徽Anhui 山西Shanxi 河北Hebei CK 手撒-40 Hand-40 机施-40 Machine-40 CK 手撒-40 Hand-40 机施-40 Machine-40 CK 手撒-40 Hand-40 机施-40 Machine-40 手撒-60 Hand-60 机施-60 Machine-60 镰孢菌 Fusarium 5 cm 1600±120 0 0 100±20 0 0 0 0 0 0 0 10 cm 1740±135 0 0 140±35 0 0 0 0 0 0 0 20 cm 1440±127 0 0 140±27 80±25 (43%) 0 0 0 0 0 0 30 cm 600±120 450±20 (25%a) 0 100±20 120±22 (-20%) 0 0 0 0 0 0 40 cm 500±130 370±14 (26%a) 0 100±30 165±45 (-65%) 0 0 0 0 0 0 疫霉菌 Phytophthora 5 cm 3600±302 0 0 1600±200 0 0 1920±230 0 0 0 0 10 cm 6520±250 590±310 (91%a) 0 1520±105 0 0 1880±405 0 0 0 0 20 cm 7920±270 2748±280 (65%b) 145±25 (98%a) 1920±205 500±60 (74%a) 0 1700±106 600±45 (65%a) 133±11 (92%a) 578±22 (66%a) 137±22 (92%a) 30 cm 1660±350 1660±210 (0%d) 140±35 (92%a) 660±50 600±80 (1%c) 0 1660±115 853±40 (48%b) 138±25 (92%a) 984±35 (41%b) 158±45 (90%a) 40 cm 1000±330 780±320 (22%c) 0 1000±140 800±50 (20%b) 0 1050±112 670±30 (36%c) 102±12 (90%a) 596±23 (43%b) 28±18 (97%a)