Effects of crop rotation and the restitution of dry crop residues on pearl millet yield in mono-cropping system

Rafini, D H and Doiri, I S and Wanke, M B and Tandjan, H A (2016) Effects of crop rotation and the restitution of dry crop residues on pearl millet yield in mono-cropping system. African Journal of Agriculture, 3 (10). pp. 234-246. ISSN 2375-1134

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Abstract

Studies on combined effects of 4 legume crops residues and rock phosphate application on pearl millet yield were undertaken on sandy acid soil field from 2012 to 2015 at ICRISAT Sahelian center (ISC)-Sadore, Niger. The objective of the experiment was to assess the best combination of legume species x rate of crop residue x rock phosphate doses that can sustainably improve pearl millet yield in cereal monoculture system with a low input cost and minimum soil tillage. Over 3 years, the residual effect of previous legume crop residue significantly improved not only the grain yield (P<0.001) and dry residue yields (P<0.001) but also the growth parameters of pearl millet than millet mono-cropping. Treatments with or without natural rock phosphate did not show any statistical differences on millet yield while adding a micro dose of urea improved significantly the yield (P<0.001). The interaction effects of preceding legume crops in rotation with millet and restitution of dry residue on the earlier mentioned parameters across 3 years mono-cropping were studied in this experiment.

Item Type:	Article
Divisions:	UNSPECIFIED
CRP:	UNSPECIFIED
Uncontrolled Keywords:	Millet, legume, cropping system, soil fertilit, pearl millet yield, crop residues
Subjects:	Mandate crops > Millets > Pearl Millet Others > Cropping and Farming Systems
Depositing User:	Mr Ramesh K
Date Deposited:	23 Oct 2018 10:42
Last Modified:	23 Oct 2018 10:42
URI:	http://oar.icrisat.org/id/eprint/10910
Official URL:
Projects:	UNSPECIFIED
Funders:	UNSPECIFIED
Acknowledgement:	The authors would like to thank the ICRISAT Regional programme Director for West and Central Africa for allowing to facilitate this research. They acknowledge the special assistance and support of the following ICRISAT Niamey scientists Dr Bado B. Vincent, Dr Prakash Gangashetty, Dr Savadogo Patrice Dr Falalou and Dr Jupiter Ndjeunga. They also thank Amadou Wankoye Lab Technician of ENS/UAM, Niamey.
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