Soil nitrate dynamics in relation to nitrogen source and landscape position in Malawi

Agroforestry Systems

Volumn 47, Issue 1-3, 1999, Pages 253-262

  Phiri, R H ^a,b   Snapp, S ^c   Kanyama Phiri, G Y ^a  

^a LILONGWE UNIVERSITY OF AGRICULTURE AND NATURAL RESOURCES   (Malawi)

^b Makoka Agricultural Research Station   (Malawi)

^c International Crops Research Institute for the Semi Arid Tropics (ICRISAT)   (Malawi)

Author keywords

Inorganic nitrogen; N input; N mineralization; Relay intercrop; Sesbania sesban

Indexed keywords

LANDSCAPE; MAIZE; NITRATE; SOIL FERTILITY;

MALAWI;

SESBANIA SESBAN; ZEA MAYS;

EID: 0033403575     PISSN: 01674366     EISSN: None     Source Type: Journal    
DOI: 10.1023/a:1006279817228     Document Type: Article

References (14)

1. Anderson JM and Ingram JSI (1993) Tropical Soil Biology and Fertility: A Handbook of Methods. CAB International, Wallingford, UK
2. Cawse PA (1967) The determination of nitrate in soil solutions by ultraviolet spectrophotometry. Analyst 92: 311-315
3. Ghai SK, Rao DLN and Batra L (1985) Comparative study of the potential of sesbanias for green manuring. Tropical Agriculture (Trinidad) 62: 52-56
4. Hartemink AE, Buresh RJ, Jama B and Janssen BH (1996) Soil nitrate and water dynamics in sesbania fallows, weed fallows and maize. Soil Science Society of America Journal 60: 568-574
5. Kanyama-Phiri GY, Snapp SS and Minae S (1998) Partnership with Malawian farmers to develop organic matter technologies. Outlook on Agriculture 27: 167-175
6. Moutonnet P and Fardeau JC (1997) Inorganic nitrogen in solution collected with tensionic samplers. Soil Science Society of America Journal 61: 822-825
7. Olsen RJ, Hensler RF, Attoe OJ, Witzel SA and Peterson LA (1970) Fertilizer nitrogen and crop rotation in relation to movement on nitrate nitrogen through soil profiles. Soil Science Society of America Proceedings 34: 448-452
8. Phiri ADK, Kanyama-Phiri GY and Snapp SS (1999) Maize and sesbania production in relay cropping at three landscape positions in Malawi. Agroforestry Systems (this issue)
9. Saka AR, Green RI and Ng'ong'ola DH (1995) Soil management in sub-Saharan Africa. Proposed soil management action plan in Malawi. Report to the World Bank. Lilongwe, Malawi, 111 pp
10. Snapp SS, Mafongoya PL and Waddington S (1998) Organic matter technologies to improve nutrient cycling in smallholder cropping systems of southern Africa. Agriculture Ecosystems and Environment 71: 185-200
11. Thornton PK, Saka AR, Singh U, Kumwenda JDT, Brink JE and Dent JB (1995) Application of a maize crop simulation model in the central region of Malawi. Experimental Agriculture 31: 213-226
12. Weber G, Chude V, Pleysier J and Oikeh S (1995) On-farm evaluation of nitrate-nitrogen dynamics under maize in the northern guinea savanna of Nigeria. Experimental Agriculture 31: 333-344
13. Yamoah C (1988) The potential of alley cropping for hillside farming in Rwanda. Appropriate Intermediate Technology 15(1): 28-30
14. Yamoah CF and Burleigh JR (1990) Alley cropping Sesbania sesban (L.) Merill with food crops in the highland region of Rwanda. Agroforestry Systems 10: 169-181