A kind of special compound iron fertilizer for fruit trees and tree branches and application method thereof
A forest and fruit tree technology, applied in the field of fruit tree fertilizer production and fertilization, can solve the problems of reducing effective iron content, leaf stains, fertilizer damage, etc., to improve absorption rate and utilization rate, maintain absorption effectiveness, and facilitate absorption and the effect of using
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Embodiment 1
[0022] (1) Take 3 liters of water and boil for 8 minutes, cool to room temperature and take 1.5 liters, add an appropriate amount of ferrous sulfate, stir until completely dissolved, then add an appropriate amount of ferrous sulfate, and then stir until completely dissolved, until the added ferrous sulfate Do not dissolve anymore, filter the filtrate, the filtrate is 1.5 liters of saturated ferrous sulfate aqueous solution; at the same time, use the remaining clear water to prepare saturated ammonium bicarbonate aqueous solution in the same way;
[0023] (2) Take 1 liter of the saturated ferrous sulfate aqueous solution just prepared in step (1), add 9g of iron powder, and then slowly add dropwise the saturated ammonium bicarbonate aqueous solution just prepared in step (1), and keep stirring continuously. Until the reaction system no longer generates bubbles, centrifuge to collect the precipitate, which is ferrous carbonate containing iron powder;
[0024] (3) Weigh 90g of commerc...
Embodiment 2
[0027] (1) Boil 3 liters of water for 5 minutes, cool to room temperature, take 1.5 liters, add an appropriate amount of ferrous sulfate, stir until completely dissolved, then add an appropriate amount of ferrous sulfate, and then stir until completely dissolved, until the added ferrous sulfate Do not dissolve anymore, filter the filtrate, the filtrate is 1.5 liters of saturated ferrous sulfate aqueous solution; at the same time, use the remaining clear water to prepare saturated ammonium bicarbonate aqueous solution in the same way;
[0028] (2) Take 1 liter of the saturated ferrous sulfate aqueous solution just prepared in step (1), add 10g of iron powder, and then slowly add dropwise the saturated ammonium bicarbonate aqueous solution just prepared in step (1), and keep stirring continuously. Until the reaction system no longer generates bubbles, centrifuge to collect the precipitate, which is ferrous carbonate containing iron powder;
[0029] (3) Weigh 100g of commercially avai...
Embodiment 3
[0032] (1) Take 3 liters of water and boil for 6 minutes, cool to room temperature and take 1.5 liters, add an appropriate amount of ferrous sulfate, stir until completely dissolved, then add an appropriate amount of ferrous sulfate, and then stir until completely dissolved, until the added ferrous sulfate Do not dissolve anymore, filter the filtrate, the filtrate is 1.5 liters of saturated ferrous sulfate aqueous solution; at the same time, use the remaining clear water to prepare saturated ammonium bicarbonate aqueous solution in the same way;
[0033] (2) Take 1 liter of the saturated ferrous sulfate aqueous solution just prepared in step (1), add 8g of iron powder, and then slowly add dropwise the saturated ammonium bicarbonate aqueous solution just prepared in step (1), and keep stirring continuously. Until the reaction system no longer generates bubbles, then centrifuge to collect the precipitate, which is ferrous carbonate containing iron powder;
[0034] (3) Weigh 80g of co...
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