期刊文献+

有机肥与无机肥对脱毒马铃薯补钾效果及施用比例试验 被引量:4

Effects of Potassium from Organic and Inorganic Fertilizer on Yield of Virus-free Potato and Theirs Applied Ratio
下载PDF
导出
摘要 在满足氮、磷营养元素需求的前提下,有机肥与无机肥所含的钾,对脱毒马铃薯产量均呈报酬递减率关系,交互效应呈负值。在中低海拔的芋苞间套作模式中最佳施肥量为每667m2施总K2O为11 kg,每667m2平均产量可达1 400 kg,其有机肥的K2O与无机肥的K2O施用比例为3∶7;高海拔净作模式中最佳施肥量为每667m2施总K2O 30 kg,平均产量可达3 100 kg,其有机肥的K2O与无机肥的K2O施用比例为1∶3。 There is the reward decrement relationship between K amounts from organic and inorganic fertilizer and yield of virus free potato, and the reciprocal effect presents a negative value. The average yield is about 1 400 kg/667m^2 by applying 11 kg of K2O/667m^2 in the potato maize interplanting model at middle-lower elevation areas and the applied ratio of K2O from organic and inorganic fertilizer is 3 : 7. The average yield is up to 3 100kg/667m^2 by applying 30kg/667m^2 in the single planting model at higher elevation areas and the applied ratio of K2O from organic and inorganic fertilizer is 1 : 3.
出处 《贵州农业科学》 CAS 2005年第5期45-48,共4页 Guizhou Agricultural Sciences
关键词 脱毒马铃薯 有机肥的K2O 无机肥的K2O virus-free potato K2 O from organic manure K2O from inorganic fertilizer
  • 相关文献

同被引文献61

引证文献4

二级引证文献38

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部