优质油菜施硫效应研究

Quality Rape Sulfur Effect

试验表明,在土壤偏碱性,有效58.75mg/kg条件下,玉米作物施硫具有显著的增产、增值效果。施硫对提高单位面积有效穗数、平均穗籽粒数、千粒质量、叶色深度具有显著的影响,对生育时段影响较小,增产、增值效应随用量不同而异,增产9.33～26.83kg/667m^2,平均产量19.29kg/667m^2,增产率5.76%～16.59%,投产比10.17～4.32,合理用量为纯硫。2.00～4.00kg/667m^2,做底肥施用。

In this paper, experiments showed that the soil alkaline, effectively 58.75 mg/kg conditions, the maize crop sulfur significantly increase production, value-added effect. S applied to improve the effective panicles per unit area, the average spike grain number, grain weight, color depth has a significant impact. Little effect on the growth period, yield, with a multiplier effect varies with the amount, By 9.33-26.83 kg/667 m^2average 19.29 kg/667 m^2, 5.76% - 16.59% yield, production than 10.17 - 4.32, reasonable amount of pure sulfur 2.00-4.00 kg/667 m^2, as base fertilizer. As base fertilizer.