Rice is an important period of the mid-field management, cultivation and management objectives for this period: Tiller strong stalk, spike rate increase, promote big spike and more grains, reducing spikelets degradation, pesticides to control pests and diseases. The main measures are as follows:
When applying panicle fertilizer to scientific water, there should be shallow water layer. After application, the water layer can be naturally dried. The early application of panicle fertilizer can be exposed for a few days. After the application of the delayed water layer, the shallow water layer is re-irrigated. In mid-September, the late rice into the meiosis period is relatively concentrated. The shallow water layer should be kept for 5-7 days. After the meiosis period, the shallow water irrigation method is adopted, that is, the shallow water layer is naturally dried and then refilled with new water.
Early Shiqiao application of panicle fertilizer was insufficient for early rice seedling stage and early tillering, which provided conditions for early application of panicle fertilizer. Early application of panicle fertilizer can promote the swinging tillering into panicles and increase the number of effective panicles. On the other hand, let the seedlings enter the panicle differentiation after absorbing panicle fertilizer, which can promote the differentiation of spikelets and branches and increase the number of grains per panicle. Fields that meet the early application should be seized at the right time to compensate for the lack of growth in the early stage. From the end of August to the beginning of September, all localities should master the application of panicle fertilizer 2 to 3 days before the differentiation of young panicles according to the growth process of seedlings. It is recommended to apply 2.5 kg of urea and 7.5 kg of compound fertilizer, or 7.5 kg of urea or 10 kg of compound fertilizer. For the fertile soil, the growth is too strong, the field with poor effect on the drying field should be applied late, lightly applied or not applied.
Pest control The main pests and diseases of late rice in late rice include rice blast, sheath blight, rice leaf roller, rice stem borer, rice planthopper, etc. All localities should pay attention to the prediction of pests and diseases, and take timely measures. Control rice blast can use 40% gram of sputum and 50 grams of water to spray 50 kilograms per acre; control stalk blight can use 5% jinggangmycin WP 150g or 5% jinggangmycin 150ml per acre 75 kg spray; control rice leaf roller, three cockroaches per acre available insecticide 25% insecticidal double 200 ml spray 75 kg water; control rice planthopper per acre available 20% chlorpyrifos 50 g water 50 Kilogram spray.
The wire rope is a helical wire bundle made of steel wires with mechanical properties and geometric dimensions that meet the requirements. The wire rope is composed of steel wire, rope core and grease. A steel wire rope is a rope that is twisted into strands from multiple layers of steel wires, and then a certain number of strands are twisted into a spiral shape with the core as the center. In material handling machinery, it is used for lifting, traction, tensioning and carrying. The steel wire rope has high strength, light weight, stable work, not easy to break the whole rope suddenly, and reliable work. In 1834, European Olubert invented the world's first steel wire rope (smooth steel wire rope).
Wire ropes can be classified according to the material, surface condition, twisting method and purpose of the wire rope.
Classified by material
1. Carbon steel wire rope is made by twisting high-quality carbon structural steel wire as raw material.
2. Stainless steel wire rope, manufactured and twisted with stainless steel wire as raw material.
Galvanized Wire Rope,Steel Wire Rope For Oil Field,Lifting Wire Rope,Traction Wire Rope
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