In order to increase the seedling rate of seed, promote uniform seedlings, whole seedlings, strong seedlings and early-onset hair, lay a good foundation for the high yield of green manure in the following year. When planting green manure, do not forget to do a good job of “four fertilizers†seed dressing.
Before sowing green manure with fertilizer solution, put the treated seeds into the fertilizer and soak them. The proportion and method of fertilizer and water are: 15 kg of organic fertilizer, 100 g of potassium dihydrogen phosphate, 50 g of ammonium nitrate, and 35 kg of water. The seeds were soaked in the aqueous solution for 5-6 hours, drained, and sowed. After such treatment, the seed could be seeded quickly, the seedlings were thick, and the resistance was increased.
Phosphate fertilizer and phosphorus seed dressing had obvious promoting effects on root development, plant height, stem diameter, branching, cold resistance and fruiting of green manure plants. Phosphorus is an indispensable element for the growth and reproduction of Rhizobium. Applying phosphate fertilizer can make the green manure more long root tumors, and the tumor body is hypertrophic and nitrogen fixation is strengthened. Phosphorus fertilizer is suitable for early application. Early application is beneficial to seedling rooting and root nodule formation. To lay a foundation for high yield seedlings. Therefore, phosphate seed dressing has a good effect on improving the yield of green manure plants.
Fertilizer Seed Dressing Most green manure plants are leguminous plants with root nodules. However, no root nitrogen can be fixed in the air at the seedling stage when root nodules have not yet formed or are very small. Inoculation with rhizobia to inoculate strains with strong infectivity and high nitrogen fixation efficiency is beneficial to early nodule and multiple root nodules in green manure plants, and enhances nitrogen fixation ability, laying a foundation for high-yield early-onset green manure, especially for uncultivated Green manure or long-grown plots are more important for seed dressing with rhizosphere fungicide. The seed dressing method is as follows: seeding amount of 2-2.5 kg per mu of green manure, 100-120 g of rhizobia fertilizer, and mixing of mud and then mixing calcium magnesium phosphate fertilizer or superphosphate 10-15 kg, sowing. Pay attention to each seed of the grass when the seed dressing can be stained with the bacteria. If the seeds are mixed, if you need to mix the phosphate fertilizer, you should mix some clay first to keep the rhizobia free from the phosphate fertilizer and to make it mixed with the mixture. With sowing.
The molybdenum seed dressing and molybdenum seed dressing can promote the seedling growth of green manure plants. The commonly used molybdenum fertilizer is ammonium molybdate. Mix 1-2 g of ammonium molybdate per 0.5 kg of green manure seed and sow after mixing to increase root weight and nodule number, root nodule weight, and N and P contents in the plant of Saffron, so that more sugar is accumulated in the seedling stage. The large cell fluid concentration improves the cold resistance of the Saffron seedlings and is beneficial to the high yield of green manure.
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