Soil nutrients are those essential nutrients that are mainly supplied by the soil.
1. The main source of soil nutrients. Humus contains not only nitrogen, phosphorus, potassium, sulfur, calcium and other macro elements, but also trace elements that can be released by microorganisms for crop absorption and utilization.
2, to enhance soil water absorption, fertilizer retention capacity. Humus is an organic colloid, which has strong water absorption and fertilizer retention capacity. Generally, the water absorption rate of clay particles is 50-60%, and the water absorption rate of humus is as high as 400-600%. The fertilizer retention capacity is 6-10 times that of clay particles.
3, to improve soil physical properties. Humus is a good cementing agent that forms agglomerate structure, can increase the looseness and aeration of clay soil, and change the loose state of sand. At the same time, because of its darker color, it can absorb sunlight and increase soil temperature.
4, to promote soil microbial activities. Humus provides abundant nutrients and energy for microbial activity, and it can also regulate soil acid-base reactions, thereby facilitating microbial activity and promoting soil nutrient conversion.
5. Stimulate crop growth and development. The humic acids, organic acids, vitamins and some hormones produced during the decomposition of organic matter have a good effect on the growth of crops, which can increase the respiration and absorption of nutrients and promote cell division, thereby accelerating the growth of roots and aboveground parts. The organic matter of the soil is mainly derived from the applied organic fertilizer and residual roots. Many social groups used fireweed washers, straw returning, cutting green manure, grass field rotation, grain fertilizer intercropping, green manure enrichment and other measures to increase soil organic matter content, make the soil more productive and more productive, and should be adapted to local conditions. Promotion.
The soil nutrient quick-measuring instrument is an intelligent all-round soil nutrient analysis instrument, which can effectively help farmers to understand soil nutrients in time and thus fertilize.

Heavy Duty Cut To Length Line

Heavy Duty Cut To Length Line make thick gauge steel plates, high tensile steel sheets(stainless steel coil sheets, high carbon steel coil sheets, high quality alloy steel sheets).

  • Thick gauge steel plates range thickness from 6mm and above, maximum can be 30mm, 40mm.
  • High tensile steel sheets will require same duty cut to length line when the sheet thickness is only half of plain steel plate.
  • The heavy duty cut to length don't only deal with high strength, but also conquer material elasticity.
  • Coils weight usually up to 20T, 30T, even 40T, huge coils.
  • The leveler of heavy duty cut to length line will be 4high, with leveling rollers and backup rollers.
  • cut to length sheets will be output to stacker, the stacker design will be speciall designed.
  • Heavy duty cut to length speed can be 20m/min encoding or 40-50m/min servo tracking.
  • The cut to length line will occupy 30m, 40m,50m length, when lengths of cut sheets vary.

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Heavy Duty Cut To Length Line

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