In the production practice, farmers have a certain understanding of the role of micro-fertilizer, but there are still some problems in fertilization technology. In order to avoid abuse and partial application, the six kinds of micro-fertilizers commonly used and the fertilization should be paid attention to. Do a summary of the matters for the reference of the majority of farmers.
Usage (1) Zinc fertilizer (zinc sulfate). Alkaline fertilizer for any crop. Do 1 kg of base fertilizer per 667 square meters; 250 grams per 667 square meters with fertilizer; dip soak for 12 hours with a concentration of 0.02% to 0.1%; mix 5-6 grams of seed dressing 1 kg; foliar spray 0.01% ~0.05%, about 100-150 grams per 667 square meters.
(2) Manganese fertilizer (manganese sulfate). Acidic fertilizer, suitable for crops such as beets, potatoes, and wheat. Base fertilizer is 1-2 kg per 667 square meters; 750 grams per 667 square meters with fertilizer; 0.1%-1% for soaking seeds, and 300 grams for 667 square meters.
(3) Boron fertilizer (borax). Alkaline fertilizer for rapeseed, alfalfa, soybeans and fruit trees. Base fertilizer per 667 square meters 1-2 kg; with fertilizer under 250 grams; soaking seeds 0.2% ~ 0.5% concentration for 4-6 hours; seed dressing 4 grams per kilogram of seeds, first formulated into a 5% solution sprayed on the seeds; Foliar application is 0.1%-0.5%, and about 165-150 grams per 667 square meters of fertilizer.
(4) Molybdenum fertilizer (ammonium molybdate). Alkaline fertilizer for legumes and cruciferous crops. Base fertilizer per 667 square meters 1-2 kg; soaking seeds for concentration of 0.05%-0.1% of fertilizer to soak corn and other cereal seeds for 2 hours, soybeans 6-12 hours; seed dressing with 4 grams per kilogram of seeds, first with 5 The % solution is sprayed to the seed and piled up for 10 hours; the foliar spray concentration is 0.1%-0.5%, and the fertilizer is about 100-150 grams per 667 square meters.
(5) Iron fertilizer (ferrous sulfate). Acidic fertilizer, suitable for crops such as fruit trees, beans, beets, and potatoes. Base fertilizer 5-10 kg per 667 square meters of water (limited to fruit trees); soaking seeds with a concentration of 0.05%-0.1% of fertilizer to soak corn and other cereal seeds for 2 hours, soybeans 6-12 hours; seeding per kg of neutron fertilizer 4 grams, first formulated into a 5% solution sprayed to the seed pile for about 10 hours; foliar spray concentration of 0.05%-3%, about 667 square meters of fertilizer with about 300-600 grams.
(6) Copper fertilizer (copper sulfate). Acidic fertilizer, suitable for apples, broad beans, beets, tomatoes and other crops. The base fertilizer is 1-2 kg per 667 square meters, once every 3-5 years; the soaking concentration is 0.01%-0.05%, dip 12 hours; the seed dressing is 0.6-1.2 grams per kg of seeds; the foliar spray concentration is 0.02%- 0.04%, in order to prevent the occurrence of phytotoxicity, 0.15%-0.25% slaked lime can be added and sprayed. Precautions Pay attention to the concentration and apply evenly. Crops require less trace elements, and the range of micro-fertilizers from lack to moderate is quite narrow. Therefore, to prevent excessive dosage, pay attention to uniform application. Note the use with the constant element fertilizer. On the basis of satisfying the crop's need for constant elements, micro-fertilizer showed obvious yield increase effect. Pay attention to the extent to which various crops respond to micronutrient. Planting the same crops for years, or applying fertilizers containing macronutrients alone, and not paying attention to the application of organic fertilizers, it is prone to trace element deficiency.
Usage (1) Zinc fertilizer (zinc sulfate). Alkaline fertilizer for any crop. Do 1 kg of base fertilizer per 667 square meters; 250 grams per 667 square meters with fertilizer; dip soak for 12 hours with a concentration of 0.02% to 0.1%; mix 5-6 grams of seed dressing 1 kg; foliar spray 0.01% ~0.05%, about 100-150 grams per 667 square meters.
(2) Manganese fertilizer (manganese sulfate). Acidic fertilizer, suitable for crops such as beets, potatoes, and wheat. Base fertilizer is 1-2 kg per 667 square meters; 750 grams per 667 square meters with fertilizer; 0.1%-1% for soaking seeds, and 300 grams for 667 square meters.
(3) Boron fertilizer (borax). Alkaline fertilizer for rapeseed, alfalfa, soybeans and fruit trees. Base fertilizer per 667 square meters 1-2 kg; with fertilizer under 250 grams; soaking seeds 0.2% ~ 0.5% concentration for 4-6 hours; seed dressing 4 grams per kilogram of seeds, first formulated into a 5% solution sprayed on the seeds; Foliar application is 0.1%-0.5%, and about 165-150 grams per 667 square meters of fertilizer.
(4) Molybdenum fertilizer (ammonium molybdate). Alkaline fertilizer for legumes and cruciferous crops. Base fertilizer per 667 square meters 1-2 kg; soaking seeds for concentration of 0.05%-0.1% of fertilizer to soak corn and other cereal seeds for 2 hours, soybeans 6-12 hours; seed dressing with 4 grams per kilogram of seeds, first with 5 The % solution is sprayed to the seed and piled up for 10 hours; the foliar spray concentration is 0.1%-0.5%, and the fertilizer is about 100-150 grams per 667 square meters.
(5) Iron fertilizer (ferrous sulfate). Acidic fertilizer, suitable for crops such as fruit trees, beans, beets, and potatoes. Base fertilizer 5-10 kg per 667 square meters of water (limited to fruit trees); soaking seeds with a concentration of 0.05%-0.1% of fertilizer to soak corn and other cereal seeds for 2 hours, soybeans 6-12 hours; seeding per kg of neutron fertilizer 4 grams, first formulated into a 5% solution sprayed to the seed pile for about 10 hours; foliar spray concentration of 0.05%-3%, about 667 square meters of fertilizer with about 300-600 grams.
(6) Copper fertilizer (copper sulfate). Acidic fertilizer, suitable for apples, broad beans, beets, tomatoes and other crops. The base fertilizer is 1-2 kg per 667 square meters, once every 3-5 years; the soaking concentration is 0.01%-0.05%, dip 12 hours; the seed dressing is 0.6-1.2 grams per kg of seeds; the foliar spray concentration is 0.02%- 0.04%, in order to prevent the occurrence of phytotoxicity, 0.15%-0.25% slaked lime can be added and sprayed. Precautions Pay attention to the concentration and apply evenly. Crops require less trace elements, and the range of micro-fertilizers from lack to moderate is quite narrow. Therefore, to prevent excessive dosage, pay attention to uniform application. Note the use with the constant element fertilizer. On the basis of satisfying the crop's need for constant elements, micro-fertilizer showed obvious yield increase effect. Pay attention to the extent to which various crops respond to micronutrient. Planting the same crops for years, or applying fertilizers containing macronutrients alone, and not paying attention to the application of organic fertilizers, it is prone to trace element deficiency.
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