Liu Zhongmin,Shan Lun,Ma Guozhong.The Study on Comprehensive Technical approachs to Raise Yield and Water Use of Spring Wheat in South Ningxia Hilly Area[J].Research of Soil and Water Conservation,1996,3(01):91-98.
提高宁南山区旱地春小麦产量及水分利用的综合技术途径研究
- Title:
- The Study on Comprehensive Technical approachs to Raise Yield and Water Use of Spring Wheat in South Ningxia Hilly Area
- 摘要:
- 通过多年单项农业技术和综合农业技术试验证明：在自然降水条件下，采用化肥、有机肥、生长期覆盖、深耕等相结合的综合技术栽培春小麦可大幅度地提高春小麦产量和水分利用效率.平均较单纯施化肥增产41.5%，水分利用效率提高51.0%.在综合农业技术中，无论何种年型（干旱、平水、丰水年）降水条件下施用化肥（N和P2O5各135～150kg/hm2）对增产和水分利用效率（WUE）的提高，约占50%；其次为有机肥，1hm2施量90000kg/hm2（驴马粪与土的混合物）约占30%左右；春小麦生长期间行间覆盖技术的作用约占20%；深耕25cm的作用很小，14.0%左右.
- Abstract:
- Experimental result conducted for many years in south Ningxia hilly area indicated that comprehensive technical approachs combined chemical fertilizer, organic fertilizer, coverage during growth season with deep ploughing can largely raise yield and water use efficiency of spring wheat under rain fed condition, yield and water use efficiency increase 41.5% and 51.0% respectively compared with single chemical fertilizer treatment.Of comprehensive technical approachs, chemical fertilizer >organic fertilizer >coverage during growth season >deep ploughing, their percentage is 50, 30, 20 and 14% respectively under all rain conditions (drought, average and raing).
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备注/Memo
收稿日期:1995-11-10;改回日期:。