인문학
사회과학
자연과학
공학
의약학
농수해양학
예술체육학
복합학
지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2014.6
- 수록면
- 368 - 368 (1page)
이용수
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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