World Journal of Agricultural Research
ISSN (Print): 2333-0643 ISSN (Online): 2333-0678 Website: Editor-in-chief: Rener Luciano de Souza Ferraz
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World Journal of Agricultural Research. 2019, 7(4), 137-148
DOI: 10.12691/wjar-7-4-4
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Change in Soil Fertility and Beetroot Productivity after Single and Mixed Application of Basalt Dust, Poultry Manure and NPK 20-10-10 in Nkwen (Cameroon Volcanic Line)

Pierre Wotchoko1, , Primus Azinwi Tamfuh2, 3, David Guimolaire Nkouathio4, Djibril Gus Kouankap Nono1, Christabel Simoben Bongkem1, Marie LouiseVohnyui Chenyi4 and Dieudonné Bitom2

1Department of Geology, Higher Teacher Training College, University of Bamenda, P.O Box 39, Bambili, Cameroon

2Department of Soil Science, Faculty of Agronomy and Agricultural Sciences, University of Dschang, P.O. Box 222, Dschang, Cameroon

3Department of Mining and Mineral Engineering, National Higher Polytechnic Institute, University of Bamenda, P.O. Box 39, Bamenda, Cameroon

4Department of Earth Sciences, Faculty of Sciences, University of Dschang, P.O. box 67, Dschang, Cameroon

Pub. Date: November 18, 2019

Cite this paper:
Pierre Wotchoko, Primus Azinwi Tamfuh, David Guimolaire Nkouathio, Djibril Gus Kouankap Nono, Christabel Simoben Bongkem, Marie LouiseVohnyui Chenyi and Dieudonné Bitom. Change in Soil Fertility and Beetroot Productivity after Single and Mixed Application of Basalt Dust, Poultry Manure and NPK 20-10-10 in Nkwen (Cameroon Volcanic Line). World Journal of Agricultural Research. 2019; 7(4):137-148. doi: 10.12691/wjar-7-4-4


This work aims to compare the effects of basalt dust, poultry manure and NPK 20-10-10, single and combined, on the growth and yield of beetroot (Beta vulgaris). Thus, fieldwork was preceded by land evaluation and standard laboratory soil analysis. A randomized complete block design (RCBD) on a 172.5 m2 experimental plot was used to investigate the effects of nine treatments: control soil (T0), T1 (5 tons ha-1 basalt dust), T2 (0.7 tons ha-1 NPK 20-10-10), T3 (20 tons ha-1 poultry manure), T4 (2.5 tons ha-1 basalt dust), T5 (0.35 tons ha-1 NPK 20-10-10 + 10 tons ha-1 poultry manure), T6 (10 tons ha-1 poultry manure + 2.5 tons ha-1 basalt dust), T7 (0.35 tons ha-1 NPK 20-10-10 + 2.5 tons ha-1 basalt dust) and T8 (0.25 tons ha-1 NPK 20-10-10 + 6.5 tons ha-1 poultry manure + 2.5 tons ha-1 basalt dust). The main results showed that land limitation was severe (N1), due to soil acidity, and potentially unsuitable for beetroot cultivation. The control (T0) was acidic (pH=4.8) but treatment raised the pH to 6.56, 6.76 and 4.91 for basalt dust, poultry manure and NPK 20-10-10, respectively. The yields were recorded in decreasing order as T3>T8> T6>T5>T7>T2 >T4>T1>T0. T1 had the highest capacity to provide nutrients to soils and to balance nutrient availability to plants. T3 alone boosted immediate productivity by improving soil acidity. The most economic treatment was T8 suggesting a reduction in chemical fertilizer input and importation and popularization of local natural fertilizers.

soil remineralisation basalt dust poultry manure beetroot NPK 20-10-10 Cameroon Volcanic Line

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