Scientific and rational use of foliar fertilizer is very important for vegetable growth. The following describes the use of foliar fertilizer based on different types of vegetables.
Leafy vegetables need more water and fertilizer during the whole growth period. In addition to applying the base fertilizer, they should be sprayed with 1-2% urea (ammonium sulfate) solution in the middle and late stages, 7-10 days. Even spraying 2 to 4 times can accelerate leaf seeding and rapid growth, and can save costs and increase nitrogen utilization rate, which is 20-30% higher than soil application.
Vegetables such as melons and fruits have a balanced need for nitrogen, phosphorus, potassium and trace elements (mainly boron, zinc and molybdenum). Fertilization of melons and fruits should be more scientific. That is, the seedling period is selected from 1-2% urea water and 3000 times 802 spray. To promote the long leaves of the roots; use 1 - 2% urea mixed 0.1 - 0.3% boric acid and 1000 times plant power 2003 solution spray 2 - 3 times (about 7 days each time) to increase the fruit setting Rate and prevent "flowers and not real"; the result period is to use 1-2% urea aqueous solution, or 0.2-0.3% potassium dihydrogen phosphate solution, every 7-10 days, a total of two or three times .
Roots and vegetables of this type require more phosphorus and potassium fertilizer than nitrogen fertilizer during their whole growth period, especially in the middle and late stages. If the potassium fertilizer is insufficient, the organic nutrients produced by the leaves will be transported slowly and less to the roots, and premature aging and leaf wither (or brown spot). In addition to the application of a small amount of nitrogen fertilizer in the seedling stage of such vegetables, potassium and phosphate fertilizers should be applied in the middle and late stages. Optional 1-2% superphosphate soaking clarifying solution, 5-10% ash soaking filter, 1% chemical potassium fertilizer, every 7 days, a total of 2 - 3 times, root vegetables in the middle and late Spraying compound auxin 1 - 2 times (20 g to 15 kg of water), can increase production by 15 - 35% or more, and bring 7 - 10 days in the morning, and also have drought-resistant, water-saving, cold-resistant, and anti-reverse effects. .
Leafy vegetables need more water and fertilizer during the whole growth period. In addition to applying the base fertilizer, they should be sprayed with 1-2% urea (ammonium sulfate) solution in the middle and late stages, 7-10 days. Even spraying 2 to 4 times can accelerate leaf seeding and rapid growth, and can save costs and increase nitrogen utilization rate, which is 20-30% higher than soil application.
Vegetables such as melons and fruits have a balanced need for nitrogen, phosphorus, potassium and trace elements (mainly boron, zinc and molybdenum). Fertilization of melons and fruits should be more scientific. That is, the seedling period is selected from 1-2% urea water and 3000 times 802 spray. To promote the long leaves of the roots; use 1 - 2% urea mixed 0.1 - 0.3% boric acid and 1000 times plant power 2003 solution spray 2 - 3 times (about 7 days each time) to increase the fruit setting Rate and prevent "flowers and not real"; the result period is to use 1-2% urea aqueous solution, or 0.2-0.3% potassium dihydrogen phosphate solution, every 7-10 days, a total of two or three times .
Roots and vegetables of this type require more phosphorus and potassium fertilizer than nitrogen fertilizer during their whole growth period, especially in the middle and late stages. If the potassium fertilizer is insufficient, the organic nutrients produced by the leaves will be transported slowly and less to the roots, and premature aging and leaf wither (or brown spot). In addition to the application of a small amount of nitrogen fertilizer in the seedling stage of such vegetables, potassium and phosphate fertilizers should be applied in the middle and late stages. Optional 1-2% superphosphate soaking clarifying solution, 5-10% ash soaking filter, 1% chemical potassium fertilizer, every 7 days, a total of 2 - 3 times, root vegetables in the middle and late Spraying compound auxin 1 - 2 times (20 g to 15 kg of water), can increase production by 15 - 35% or more, and bring 7 - 10 days in the morning, and also have drought-resistant, water-saving, cold-resistant, and anti-reverse effects. .
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