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The productivity of corn field’s crops must be increased in order to supply the market’s demands. This study aims to increase the productivity of corn plants by using the proper fertilizers. Fertilizing using silica can increase the resistance of corn plants toward drought pressure, while nitrogen fertilizing can increase the amount of chlorophyll. This study compares the effect of nano silica-NPK fertilizer and manure-nano silica toward the chlorophyll a, b, and to the total amount of chlorophyll consisted in sweet corn plants at the age of 10, 40 and 60 days. The nanosilica-NPK ratio is 100%: 0%, 75%: 25%, 50%: 50%, 25%: 75%, and 0%: 100%, as well as the ratio of nano silica-manure. The total amount of chlorophyll contained in the fertilizers of nano silica-manure tends to be the same as nano silica-NPK fertilization at the age of 10, 40 and 60 days. The amount of Chlorophyll a is higher than the amount of chlorophyll b in all fertilizers. Chlorophyll a, b, and the total amount of chlorophyll tends to decrease in nano silica-manure fertilizer, but in nano silica-NPK fertilizer, the chlorophyll has increased from the 10th to 60th days.

journal of physics. conference series

The comparison of chlorophyll a, b, and the total of maize (Zea mays saccharata sturt l) var p-21 by applying fertilizers of nanosilica-npk and nanosilica-manure