In the Indo-Gangetic Plains of South Asia, the quadruple challenges of deteriorating soil quality, declining groundwater, energy shortages, and diminishing farm profitability threaten sustainability of conventional till (CT)-based cereal production systems. A 5-year study was conducted to evaluate the effect of conservation agriculture (CA)-based management (tillage, crop establishment, residue management, and system intensification through mungbean integration) on energy budget, water productivity, and economic profitability in cereal (rice-wheat, RW/maize-wheat, MW)-based systems compared with CT-based management. In CA systems, crop residues contributed the maximum (~76%) in total energy input (167,995 MJ ha); however, fertilizer application (nonrenewable energy source) contributed the maximum (43%) in total energy input (47,760 MJ ha) in CT-based systems.
View Article and Find Full Text PDFImplant placement into the posterior maxilla often creates a challenge due to inadequate bone height because of close sinus proximity. This article presents a case report of indirect sinus lift technique involving hydraulic pressure to elevate the floor of the maxillary sinus.
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July 1992
Diltiazem, a calcium channel blocker, is used in multiple divided doses daily, due to its short elimination half-life. Hence, administration as a modified release (MR) formulation is suggested. In this double blind cross-over trial, the pharmacokinetics and pharmacodynamics of diltiazem was studied in eight healthy Indian adults.
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