摘要
通过脱硫石膏和有机肥不同施用量改良盐碱化土壤的田间试验,得出脱硫石膏及有机肥能够明显使土壤脱碱脱盐,提高出苗率,增加产量.结果表明:9000 kg/hm2脱硫石膏与90000kg/hm2有机肥配套施用脱碱脱盐效果明显,保苗能力达到最佳,为95.83%,产量和纯增收益最大,分别为4177.5 kg/hm2和4458元/hm2.
Through the field experiment of improving saline-alkli soil by different dosage of desulfurization gypsum and organic fertilizer, the desulfurization gypsum and organic fertilizer showed their ability to obviously decrease the soil alkalinity and reduce the soil salinity, improve germination rate, increase production. Results showed that application of 9000 kg/m2 of desulfurization gypsum and 90000 kg/m2 of organic fertilizer have obvious effect of dealkalization and desalination with the best seedling emergence rate of 95.83% and maximum yield and net revenue of 4177.5 kg/m2 and 4458 yuan per hectare, respectively.
出处
《海南师范大学学报（自然科学版）》
CAS
2013年第3期299-302,共4页
Journal of Hainan Normal University（Natural Science）
基金
内蒙古科技创新引导奖励资金重大项目(20121606
20131510)
关键词
脱硫石膏
有机肥
田间试验
desulfurization gypsum
organic fertilizer
field test
