International Journal of Chemical Studies
Vol. 5, Issue 4 (2017)
Effect of precision land leveling and Zinc bioavailability: Water use, productivity and input use efficiency in transition from flooded to aerobic rice (Oryza sativa)
Author(s): Sunil Kumar, Ashish Dwivedi, Vineet Kumar, Mohd Qasim Ansari and RK Naresh
Abstract: The objective of this study was to establish an understanding of how aerobic rice yield and input use efficiency can be improved and how land leveling and crop establishment practices can be modified to be more efficient in water use through precision- conservation crop management techniques. To conducted a farmers participatory field experimentduring 2009 to 2011 for quantify the benefits of alternate land leveling (precision land leveling),crop establishment (aerobic rice planting) techniques alone or in combination (precision-conservation) and zinc bioavailability in terms of crop yield, water savings, and nutrient use efficiency of aerobic rice production in western Uttar Pradesh. Zinc bioavailability is a function of both soil and plant factors that can be altered by water management, particularly in relation to conditions in the rhizosphere. Agronomic biofortification strategy appears to be essential in keeping sufficient amount of available Zn in soil solution and maintaining adequate Zn transport to the seeds during reproductive stage. Greater biofortification of the grain Zn derived from foliar applications than from soil, agronomic biofortification would be a very attractive and useful strategy in solving Zn deficiency related problems effectively. Potential agronomic management practices in aerobic rice production systems are discussed, with an emphasis on their roles in improving bioavailability of Zn. Addition of Zn fertilizers by soil or foliar application have been shown to increase Zn concentration in grain. Keeping these points in mind, this paper describes the current knowledge of precision land leveling and Zn bioavailability.
Pages: 110-118 | 1128 Views 17 Downloads
How to cite this article:
Sunil Kumar, Ashish Dwivedi, Vineet Kumar, Mohd Qasim Ansari, RK Naresh. Effect of precision land leveling and Zinc bioavailability: Water use, productivity and input use efficiency in transition from flooded to aerobic rice (Oryza sativa). Int J Chem Stud 2017;5(4):110-118.