County-Scale Spatial Variability of Macronutrient Availability Ratios in Paddy Soils
المؤلفون المشاركون
Li, Weidong
Zhang, Chuanrong
Qu, Mingkai
المصدر
Applied and Environmental Soil Science
العدد
المجلد 2014، العدد 2014 (31 ديسمبر/كانون الأول 2014)، ص ص. 1-10، 10ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2014-03-16
دولة النشر
مصر
عدد الصفحات
10
التخصصات الرئيسية
الملخص EN
Macronutrients (N, P, and K) are essential to plants but also can be harmful to the environment when their available concentrations in soil are excessive.
Availability ratios (available concentration/total concentration) of macronutrients may reflect their transforming potential between fixed and available forms in soil.
Understanding their spatial distributions and impact factors can be, therefore, helpful to applying specific measures to modify the availability of macronutrients for agricultural and environmental management purposes.
In this study, 636 topsoil samples (0–15 cm) were collected from paddy fields in Shayang County, Central China, for measuring soil properties.
Factors influencing macronutrient availability ratios were investigated, and total and available concentrations of macronutrients were mapped using geostatistical method.
Spatial distribution maps of macronutrient availability ratios were further derived.
Results show that (1) availability of macronutrients is controlled by multiple factors, and (2) macronutrient availability ratios are spatially varied and may not always have spatial patterns identical to those of their corresponding total and available concentrations.
These results are more useful than traditional soil macronutrient average content data for guiding site-specific field management for agricultural production and environmental protection.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Qu, Mingkai& Li, Weidong& Zhang, Chuanrong. 2014. County-Scale Spatial Variability of Macronutrient Availability Ratios in Paddy Soils. Applied and Environmental Soil Science،Vol. 2014, no. 2014, pp.1-10.
https://search.emarefa.net/detail/BIM-490737
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Qu, Mingkai…[et al.]. County-Scale Spatial Variability of Macronutrient Availability Ratios in Paddy Soils. Applied and Environmental Soil Science No. 2014 (2014), pp.1-10.
https://search.emarefa.net/detail/BIM-490737
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Qu, Mingkai& Li, Weidong& Zhang, Chuanrong. County-Scale Spatial Variability of Macronutrient Availability Ratios in Paddy Soils. Applied and Environmental Soil Science. 2014. Vol. 2014, no. 2014, pp.1-10.
https://search.emarefa.net/detail/BIM-490737
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-490737
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
تقوم هذه الخدمة بالتحقق من التشابه أو الانتحال في الأبحاث والمقالات العلمية والأطروحات الجامعية والكتب والأبحاث باللغة العربية، وتحديد درجة التشابه أو أصالة الأعمال البحثية وحماية ملكيتها الفكرية. تعرف اكثر