Study on Growth Effects of Major-Nutrients Composition to Banana Cultivation in Coastal Areas of Sindh, Pakistan

作     者：Shahmir Ali Kalhoro Xuexuan Xu Amanullah Mahar Amjad Ali Fahad Ali Kalhoro Sohail Ahmed Otho Rab Nawaz Soomro Fayaz Ali Zulfiqar Ali Baloch 

作者机构：Institute of Soil and Water Conservation Northwest A&F University Yangling China Faculty of Agriculture Lasbela University of Agriculture Water & Marine Sciences Lasbela Pakistan College of Natural Resources and Environment Northwest A&F University Yangling China Department of Plant Breeding & Genetics Sindh Agriculture University Tando Jam Pakistan College of Plant Protection Northwest A&F University Yangling China College of Animal Science and Technology Northwest A&F University Yangling China College of Economics and Management Sciences Northwest A&F University Yangling China 

出 版 物：《American Journal of Plant Sciences》 (美国植物学期刊（英文）)

年 卷 期：2015年第6卷第7期

页      面：1003-1010页

学科分类：1002[医学-临床医学] 100214[医学-肿瘤学] 10[医学] 

主　　题：Banana Cultivation Nutrients Yield Soil Leaves 

摘      要：The composition of major nutrients, i.e. nitrogen, phosphorus and potassium (NPK), is a critical factor in banana cultivation and also influences crop yield. This study was aimed to analyze the concentrations of NPK in different banana growing locations of coastal areas of Sindh, Pakistan. A total of 15 composite soil samples at the depth of 0 - 15 and 15 - 30 cm and the same number of banana leaves were collected. The samples were analyzed for the concentration of N, P, K, Ca, Mg, Zn, Mn and Cl concentrations. Results showed that the surface and sub-surface soils of coastal areas were heavy in texture, non-saline, medium alkaline and moderately calcareous in nature. Medium to adequate in Organic Matter (OM), medium in total nitrogen, medium to optimum in available phosphorus, medium to high in exchangeable potassium and deficient in available zinc at both tested depths. The analysis of soluble anions indicated that the carbonates were absent and that chlorides were dominant as compared with bicarbonates. Nitrogen and zinc concentrations of banana leaves were below the critical level, whereas P, K, Mn and chloride ion concentration were above the critical levels. In addition, the relative percentages for K, Ca and Mg were 57.72 to 61.72, 19.05 to 21.00 and 17.70 to 20.00 respectively.