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在潮褐土设置田间试验.结果表明,在土壤有效S 含量23 .1mg/kg 条件下,小麦亩施S12kg ,增产11 .8 % ;玉米亩施S4kg ,增产10 .4 % .硫磺效果优于石膏.
The field experiment was set up in tide-cinnamon soil.The results showed that under the soil available S content of 23.1mg / kg, the yield of wheat increased by 11.8% and the yield of wheat increased by 10.4% plaster.