不同绿肥间套作方式对培肥地力的影响  

Effects of Different Intercropping and Interplant Patterns of Green Manure on Soil Fertility

作　　者：郑元红 潘国元 毛国军 潘木军 何开祥 朱长安 

机构地区：[1]贵州省毕节地区经作站,贵州毕节551700 [2]贵州省毕节地区农业局,贵州毕节551700 [3]贵州省大方县土肥站,贵州大方551600 [4]贵州省黔西县土肥站,贵州黔西551500 [5]贵州省纳雍县土肥站,贵州纳雍553300 [6]贵州省威宁县土肥站,贵州威宁553100

出　　处：《贵州农业科学》2009年第1期79-81,共3页Guizhou Agricultural Sciences

基　　金：贵州省重大攻关后补项目"贵州省中低产旱地粮食平衡丰产增效科技工程"[黔科合NZ字(2005)3011]

摘　　要：为了研究在不同间套作模式下增施有机肥对中低产土壤肥力的影响，特进行了不同绿肥间套作方式对地力培肥的影响试验，结果表明，改良培肥区有机肥和无机肥施用比例为1：1左右，玉米产量比常规施肥平均增产102．5kg／667m^2，平均增产率为23．05％，其中马铃薯／绿肥／玉米分带种植模式增产幅度较小（51．2～66kg／667m^2），而油菜／绿肥／玉米和小麦／绿肥／玉米种植，增产幅度在100kg／667m^2以上。改良培肥区与常规施肥相比，有机质、全氮、碱解氮、速效磷、速效钾平均分别提高0．23％、0．033％、23．23mg／kg、1．5mg／kg和17．75mg／kg，土壤肥力指标都有所提高，同时玉米生长健壮，植株高大、粗壮，穗大、粒多，粒重，秃尖率低，产量高。The results from the effects of different intercropping and interplant patterns of green manure on soil fertility showed that the maize yield in improved soil fertility areas under 1 ： 1 application ratio between organic and inorganic fertilizer averagely increased by 23. 05% （102. 5 kg/667m^2 ） compared with the conventional application pattern, The yields of the potato/green manure/maize pattern, rape/green manure/maize pattern and wheat/green manure/maize pattern increased by 51. 2 to 66 kg/667m^2, 146.1 kg/667m^2 and 146.7 kg/667m^2 compared with the conventional application pattern respectively. The soil organic matter, total nitrogen, alkaline hydrolysis nitrogen, active P and active K content in improved soil fertility areas averagely increased by 0. 23%, 0. 033%, 23. 23 mg/kg, 1.5 mg/kg and 17.75 mg/kg respectively and the soil fertility was increased to varying degrees. The high maize yield depends on its strong and high plants and better economic characters.

关 键 词：绿肥 间套作 培肥地力 毕节地区 贵州 

分 类 号：S142[农业科学—肥料学]