Remineralization of a Dystric Ferralsol Using Basalt and Tephra Dusts,Effective Microorganisms Manure and NPK 20-10-10 for Rad­ish(Raphanus sativus)Production in Bamougoum(Cameroon Western Highlands)  

作　　者：Pierre Wotchoko Primus Azinwi Tamfuh Margaret Awah Tita Alice Magha Glory Anonchuh Wonyi Fritz Oben Tabi Dieudonne Bitom 

机构地区：[1]Department of Geology,Higher Teacher Training College Bambili,University of Bamenda,P.O.Box.39,Bambili,Cam­eroon [2]Department of Soil Science,Faculty of Agronomy and Agricultural Sciences,University of Dschang,P.O.Box.222,Dschang,Cameroon [3]Departmentment of Mining and Mineral Engineering,National Higher Polytechnic Institute,University of Bamenda,P.O.Box.39,Bambili,Cameroon [4]Department of Biology,Higher Teacher Training College,University of Bamenda,P.O.Box.39,Bambili,Cameroon

出　　处：《Journal of Environmental & Earth Sciences》2021年第1期1-15,共15页地球与环境科学（英文）

摘　　要：This paper studies the effect of basalt and tephra dusts,as alternatives to chemical fertilizers,on soil fertility and Radish(Raphanus sativus)production.The experiment was conducted in the field and in the labo­ratory in the years 2017 and 2018 on two separate plots so as to annul residual effects of fertilizers).The experimental design in the field was a randomized complete block design(56 m^(2)),including five treatments and three replications:control(T_(0)),basalt dust(T_(1)),tephra dust(T_(2)),effective micro-organism(EM)fertilizer(T_(3))and NPK 20-10-10(T_(4)).The main results show the following decreasing trend based on yield:T_(1)>T_(3)>T_(0)>T_(4)>T_(2).The best yields appear in T_(1) and T_(3) probably because they supplied the highest levels of soil nutrients to match the needs of the crops.Although T_(2) plants performed poorly,soil properties like pH.H_(2)O(6.14 to 6.49),sum of exchangeable bases,base saturation,available phosphorus and cation balance were improved after tephra treatment.T_(2) plants might have performed poorly due to intrinsic properties of the tephra dust like low availability of trace elements compared to T_(1) and T_(3).T_(4) plants show the highest number of leaves,leaf area index and plant height.The Fe,Mn,Cu and Zn levels in bulbs and leaves will not pose danger of toxicity to human upon consumption and could serve as nutri­ent supplement for children and expectant mothers.The most profitable treatment is T_(1) permitting to recommend the popularization of basalt dust for radish cultivation as an alternative to chemical fertilizers.

关 键 词：Raphanus sativus Soil remineralisation Micronutrients Revenue-to-cost ratio Cameroon Western Highlands 

分 类 号：S15[农业科学—土壤学]