Potassium sources, microorganisms and plant nutrition: Challenges and future research directions

作     者：Abdoulaye SOUMARE Djibril SARR Abdala G.DIÉDHIOU Abdoulaye SOUMARE;Djibril SARR;Abdala G.DIEDHIOU

作者机构：UFR STDepartement of AgroforestryAssane Seck University of Ziguinchor(UASZ)Ziguinchor BP 523Senegal Laboratoire Commun de Microbiologie(LCM)IRD/ISRA/UniversitéCheikh Anta Diop(UCAD)Centre de Recherche de Bel AirDakar BP 1386Senegal Centre d’Excellence Africain en Agriculture pour la SécuritéAlimentaire et Nutritionnelle(CEA-AGRISAN)UCADDakar BP 5005Senegal Département de Biologie VégétaleFacultédes Sciences et TechniquesUCADDakar BP 5005Senegal 

出 版 物：《Pedosphere》 (土壤圈（英文版）)

年 卷 期：2023年第33卷第1期

页      面：105-115页

核心收录：

学科分类：090101[农学-作物栽培学与耕作学] 09[农学] 0901[农学-作物学] 

主　　题：biofertilizer crop production organic acid K solubilization K-solubilizing microorganisms rock minerals 

摘      要：Until recently,potassium(K)has not received considerable attention because of the general belief that soils contain ample amounts of this *** addition,low rates of K fertilizer application in agriculture have led to rapid depletion of K in the rhizosphere soil in many underdeveloped *** results in various negative impacts,including preventing optimum utilization of applied nitrogen and phosphorus *** compensate for these losses,massive use of K fertilizers in agriculture has been *** fertilizers are manufactured from rock minerals,particularly sylvite(KCl)and carnallite(KCl·MgCl2·6H2O).Unfortunately,to date,there is no cost-effective technology available for converting rock minerals into potassic ***-solubilizing microorganisms(KSMs)can release K from soil/minerals into plant-available forms,which could be a sustainable *** possibility of using KSMs as efficient biofertilizers to improve crop production has been increasingly highlighted by *** this review,the existing forms of K in soils and their availability and dynamic equilibrium are *** addition,different K fertilizers and their advantages and disadvantages for crops are ***,the microorganisms usually reported as K solubilizers,the research progress on KSMs,and future insights on the use of these KSMs in agriculture are *** and analyses of the published literature show that organic acid production is the common mechanism of K solubilization by bacteria and *** review may serve as a proposal for the future research avenues identified here.