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논문 기본 정보

자료유형
학술대회자료
저자정보
(University of Nigeria) (University of Nigeria) (University of Nigeria) (University of Nigeria) (Enugu State College of Agriculture and Agro-Entreprenurship, Nigeria)
저널정보
한국토양비료학회 한국토양비료학회 학술발표회 초록집 20th WORLD CONGRESS OF SOIL SCIENCE
발행연도
수록면
368 - 368 (1page)

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초록· 키워드

Quantitative evaluation of soil productivity is growing in importance because of its relevance in developing new and integrated management strategies for improving the capacity of existing agricultural lands to produce more food for a rapidly growing global population without polluting the environment. The objective of this study was to evaluate the actual productivity (productivity) and potential productivity (potentiality) of two soils in Nsukka, derived savanna agro-ecological zone of Nigeria, using Riquier’s index method. This research was carried out in 2012 at the University of Nigeria, Nsukka Teaching and Research Farm (UNN) (06051' N; 07025' E; 447 m above sea level) and at Ekwegbe (06042' N; 07025' E; 520 m above sea level), both in Nsukka agricultural zone. The soil/site parameters used in computing the Riquier’s model (RI) were moisture duration, drainage, effective soil depth, texture, pH (H2O), organic matter, cation exchange capacity (CEC) of clay, and mineral reserve. Groundnut (Arachis hypogaea) was used as a test crop. Application of 10 t ha-1 of poultry manure 2 weeks before planting and tillage were used as a soil management measure to obtain improved soil characteristics for the computation of potentiality index. Data were collected on plant height and leaf area index (LAI) at 6, 10, and 14 weeks after planting (WAP). Pod yield was measured at maturity and reported on dry mass basis. The ratio of the potentiality index to the productivity index, known as coefficient of improvement, was used to assess the extent to which productivity can be improved following the introduced management practices. Th ... 전체 초록 보기
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