Slow-release fertilizer for corn and preparation method thereof
A slow-release fertilizer and corn technology, applied in the fields of agriculture and agricultural fertilizers, can solve the problems affecting the normal growth of corn, insufficient fertilizer supply, leaf necrosis, etc., and achieve the effects of reducing soil compaction symptoms, reducing the amount of pesticide application, and improving drought resistance.
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Embodiment 1
[0037] Each component is weighed according to the following ratio of parts by weight: 16 parts of polyvinyl alcohol, 6 parts of starch, 3 parts of tripterine, 30 parts of plant ash, 5 parts of nitrate nitrogen fertilizer, and 35 parts of water.
[0038] Add part of water to polyvinyl alcohol to make polyvinyl alcohol aqueous solution as component one. Then add remaining water to the starch, and ripen at 80° C. for 30 minutes to obtain component 2. Mix component 1, component 2, triptolide, nitrate nitrogen fertilizer, and plant ash evenly.
[0039] When in use, the prepared slow-release fertilizer can be directly used as a base fertilizer for corn; it can also be dried and crushed to obtain granular slow-release fertilizer, which can be used as a base fertilizer for corn.
[0040] Experiment was carried out with 100 mu of corn in a certain place in Sichuan, and 85 kg of the slow-release fertilizer of this embodiment was applied per mu. It has been determined that the yield of...
Embodiment 2
[0042] Each component is weighed according to the following ratio of parts by weight: 22 parts of polyvinyl alcohol, 8 parts of starch, 5 parts of tripterine, 25 parts of plant ash, 8 parts of nitrate nitrogen fertilizer, and 55 parts of water.
[0043] Add part of water to polyvinyl alcohol to make polyvinyl alcohol aqueous solution as component one. Then add the remaining water to the starch, and ripen it at 85° C. for 35 minutes to obtain component 2. Mix component 1, component 2, triptolide, nitrate nitrogen fertilizer, and plant ash evenly.
[0044] When in use, the prepared slow-release fertilizer can be directly used as a base fertilizer for corn; it can also be dried and crushed to obtain granular slow-release fertilizer, which can be used as a base fertilizer for corn.
[0045] Experiment was carried out with 50 mu of corn in a certain place in Sichuan, and 80 kg of the slow-release fertilizer of this embodiment was applied per mu. It has been determined that the yi...
Embodiment 3
[0047] Each component is weighed according to the following ratio of parts by weight: 15 parts of polyvinyl alcohol, 5 parts of starch, 5 parts of tripterine, 22 parts of plant ash, 6 parts of nitrate nitrogen fertilizer, and 27 parts of water.
[0048] Add part of water to polyvinyl alcohol to make polyvinyl alcohol aqueous solution as component one. Then add remaining water to the starch, and ripen it at 60° C. for 60 minutes to obtain component 2. Mix component 1, component 2, triptolide, nitrate nitrogen fertilizer, and plant ash evenly.
[0049] When in use, the prepared slow-release fertilizer can be directly used as a base fertilizer for corn; it can also be dried and crushed to obtain granular slow-release fertilizer, which can be used as a base fertilizer for corn.
[0050] Experiment was carried out with 120 mu of corn in a certain place in Sichuan, and 90 kg of the slow-release fertilizer of this embodiment was applied per mu. It has been determined that the yield...
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