Variety comparative test of multiple cropping silage maize in winter rapeseed stubble

In order to find new ways to feed production,the screening test of silage cone in winter rapeseed stubble multiple cropping was carried out.The growth period,plant shape,grass yield,and nutrients were measured.The results indicated that Siliang No.2 and Wenyu No.5 were medium varieties.The stems of Siliang No.2 and Wenyu No.5 were the strongest with 1.91 and 1.82 cm,respectively.Siliang No.2 was the best with 79 303.7 kg·ha-1 fresh matter yield and Wenyu No.5 was the best with 20 127.6 kg·ha-1 dry matter yield.These data suggest that Siliang No.2 and Wenyu No.5 were the most suitable silage corn in winter rapeseed stubble multiple cropping in the East of Gansu Province.