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The Effect of Rainfall Characteristics and Tillage on Sheet Erosion and Maize Grain Yield in Semiarid Conditions and Granitic Sandy Soils of Zimbabwe
المؤلف
المصدر
Applied and Environmental Soil Science
العدد
المجلد 2012، العدد 2012 (31 ديسمبر/كانون الأول 2012)، ص ص. 1-8، 8ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2012-03-25
دولة النشر
مصر
عدد الصفحات
8
التخصصات الرئيسية
الملخص EN
In semiarid regions, rainfall is one of the primary factors affecting soil erosion and crop production under rain-fed agriculture.
The study sought to quantify the effect of rainfall characteristics on sheet erosion and maize grain yield under different tillage systems.
It was carried out under semiarid conditions and infertile sandy soils of Zimbabwe.
Rainfall amount and intensity were recorded every 24 hours, while sheet erosion was measured from four tillage systems (Conventional Tillage (CT), Mulch Ripping (MR), Tied Ridging (TR) and Bare Fallow (BF)).
Maize (Zea mays L.) was grown on three tillage systems (CT, MR, and TR).
Rainfall amount varied significantly (P<0.001) between seasons (164–994 mm).
CT recorded the highest average soil losses (15 t/ha), while MR and TR recorded 1.3 and 1.2 t/ha, respectively.
Maize grain yields increased with increasing seasonal rainfall giving yield-responses of 0.9 t/ha (TR) to 1.3 t/ha (MR) for every 100 mm rainfall increment.
Overall, treatments didnot differ significantly (P<0.497), except during drier seasons (P<0.025).
Regression equations showed that yields can be confidently predicted using rainfall amount and time, with R2 values of 0.82 to 0.94.
Maize grain yields proved to be mostly dependent on rainfall amount than fertility.
The productivity of the soils decreased with increased length of cultivation.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Munodawafa, Adelaide. 2012. The Effect of Rainfall Characteristics and Tillage on Sheet Erosion and Maize Grain Yield in Semiarid Conditions and Granitic Sandy Soils of Zimbabwe. Applied and Environmental Soil Science،Vol. 2012, no. 2012, pp.1-8.
https://search.emarefa.net/detail/BIM-456832
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Munodawafa, Adelaide. The Effect of Rainfall Characteristics and Tillage on Sheet Erosion and Maize Grain Yield in Semiarid Conditions and Granitic Sandy Soils of Zimbabwe. Applied and Environmental Soil Science No. 2012 (2012), pp.1-8.
https://search.emarefa.net/detail/BIM-456832
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Munodawafa, Adelaide. The Effect of Rainfall Characteristics and Tillage on Sheet Erosion and Maize Grain Yield in Semiarid Conditions and Granitic Sandy Soils of Zimbabwe. Applied and Environmental Soil Science. 2012. Vol. 2012, no. 2012, pp.1-8.
https://search.emarefa.net/detail/BIM-456832
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-456832
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
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