Item: Evaluation of nano-structured silicon dioxide and calcium oxide composite foliar fertilizer in lowland irrigated rice [manuscript]
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Date
2020
Authors
Flory Blessy I. Dela Cruz
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Abstract
The study was conducted to evaluate the performance of Glutinous rice during wet season of 2018 as affected by Nano-Structured Silicon Dioxide and calcium oxide composite foliar fertilizer. It was tested using Randomized Complete Block design with three replications. The treatments were., T1 Control (no Fertilizer), T2 90-40-60 kg recommended rate N-P2O5-K2O/ha, T3 90-40-60 N-P2O5-K2O/ha + 1 NSCF (20 DAT), T4 90-40-60- N-P2O5-K2O/ha + 2X NSCF (20 and 40 DAT) and T5 90-40-60 N-P2O5-K2O/ha + 3X NSCF (20, 40 and 60 DAT). In this study the plant height, number of tillers at harvest, weight of 1000mgrains, number of grains per panicle and dry matter yield was not affected by fertilizer application.
The number of productive tillers at 60 DAT , percent filled and unfilled grains per panicle and grain yield was improved by fertilizer application. Specifically, application of the recommended rate of fertilizer improved the above parameters. However, spraying of nano-structured silicon dioxide and calcium oxide composite foliar fertilizer did not have any positive contribution compared to those applied with inorganic fertilizer alone. Comparison of the performance of plants sprayed with nano-structured fertilizer shows that the yield of the plants treated twice with nano structured silicon dioxide and calcium oxide composite foliar fertilizer has higher yield than those sprayed once and thrice.