O.A. Opara-Nadi: search on Z-Library

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1

Tillage systems and soil properties in West Africa

O. Babalola, O.A. Opara-Nadi

Journal:

Soil and Tillage Research

Year:

1993

Language:

english

File:

PDF, 1.68 MB

english, 1993

2

Effects of mulching on soil properties, growth and yield of plantain on a tropical ultisol in southeastern Nigeria

O.A. Salau, O.A. Opara-Nadi, R. Swennen

Journal:

Soil and Tillage Research

Year:

1992

Language:

english

File:

PDF, 955 KB

english, 1992

3

Effects of no-till and disc plowing with and without residue mulch on tropical root crops in southeastern Nigeria

O.A. Opara-Nadi, R. Lal

Journal:

Soil and Tillage Research

Year:

1987

Language:

english

File:

PDF, 450 KB

english, 1987

4

Influence of method of mulch application on growth and yield of tropical root crops in southeastern Nigeria

O.A. Opara-Nadi, R. Lal

Journal:

Soil and Tillage Research

Year:

1987

Language:

english

File:

PDF, 626 KB

english, 1987

5

A SIMPLE METHOD FOR MEASURING THE CARBONATE CONTENT OF SOILS

Horváth, Balázs, Opara-Nadi, Oliver, Beese, Friedrich

Journal:

Soil Science Society of America Journal

Year:

2005

Language:

english

File:

PDF, 1.22 MB

english, 2005

6

Effects of land clearing and tillage methods on soil properties and maize root growth

Opara-nadi, O.A., Lal, R.

Journal:

Field Crops Research

Year:

1987

Language:

english

File:

PDF, 709 KB

english, 1987

7

Effects of methods of seedbed preparation and mulching on the growth and yield of white yam (Dioscorea rotundata) on an ultisol in south-east Nigeria

Maduakor, H.O., Lal, R., Opara-Nadi, O.A.

Journal:

Field Crops Research

Year:

1984

Language:

english

File:

PDF, 570 KB

english, 1984

8

Effects of plant population on soil structure, soil moisture depletion and on yield of cassava (Manihot esculentd) on an Ultisol in Southeast Nigeria

Oliver Opara-Nadi, Rattan Lal

Journal:

Journal of the Science of Food and Agriculture

Year:

1987

Language:

english

File:

PDF, 559 KB

english, 1987

9

Diurnal fluctuations in hydro-thermal regime of a tropical alfisol as influenced by methods of land development and tillage systems

Opara-Nadi, O. A., Lal, R.

Journal:

Journal of Plant Nutrition and Soil Science

Year:

1984

Language:

english

File:

PDF, 502 KB

english, 1984

10

Management of plant residue for cassava (Manihot esculenta) production on an acid Ultisol in Southeastern Nigeria

Hulugalle, N.R., Lal, R., Opara-Nadi, O.A.

Journal:

Field Crops Research

Year:

1987

Language:

english

File:

PDF, 816 KB

english, 1987

11

Effects of tillage methods on physical and hydrological properties of a tropical Alfisol

Opara-Nadi, O. A., Lal, R.

Journal:

Journal of Plant Nutrition and Soil Science

Year:

1986

Language:

english

File:

PDF, 382 KB

english, 1986

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