To explore the optimal seeding rate for high-quality and efficient production of mechanical sowing Capsella bursa-pastoris,and better serve the mechanized production of Capsella bursa-pastoris,a two factor randomized block experiment was conducted,with four treatments of seed sand(Capsella bursa-pastoris seeds+black gold sand)mixed in a ratio of 1∶8,1∶11,1∶14,and 1∶17 and three treatments with row spacing of 14,21 and 28 cm for machine seeding.The results showed that the agronomic traits and yield of mechanical sowing Capsella bursa-pastoris showed a trend of first increasing and then decreasing with the increase of seed sand ratio.The correlation between row spacing and agronomic traits or yield is not significant.Under the interaction of 12 seed sand ratios and row spacing,the highest yield was achieved under the treatment of A4B1(seed sand ratio 1∶17,row spacing 14 cm),with a 667 m2 yield of 2 230.84 kg.Therefore,it is recommended that A4B1(seed sand ratio 1∶17,row spacing of 14 cm)is the optimal sowing amount and row spacing for mechanical sowing Capsella bursa-pastoris.
维普
万方数据