The seedcotton yield in the optimized treatments was 4.74 thm-2 in Cele and 5.99 t-hm-2 in Yuli, and compared with 4.88 thm-2 in Cele and 5.64 thm-2 in Yuli in conventional treatments, there was no significant difference between them.

• 但优化水氮处理获得的籽棉产量(策勒:4.；74 t·hm~(-2);尉犁:5