The optimum temperature for lettuce seed germination is 15-20°C, and germination is blocked above 30°C. Summer and autumn sowing lettuce seeds, such as the adoption of low-temperature treatment after sowing, seedlings quickly, can be listed 7-10 days earlier. Low-temperature treatment method: wrap the seeds with gauze, soak it in clean water of 20-30°C for 4-5 hours, then transfer it to the refrigerator freezer to keep it at about 15°C, germinate after 3-4 days; or hung seeds Priming water on deep wells. During the germination process, the moisture condition of the seeds should be checked frequently, and the water should be insufficiently supplied, and the light should be properly seen, so that the germination is quick and the buds are neat. After germination should be appropriate sowing, otherwise affect the emergence. Summer lettuce should use heat-resistant varieties.

Specifications
lpg gas cooker,Camping cooker parts adjusting fire arbitrarily,Suitable installed directly on the cylinder to make coffee, tea We are professional manufacturer ofLPG Gas Burner , LPG-cylinders,euro camping cylinders,valve,regulator,and different kinds of stoves and lamps.Also we offer some kinds of building shelf,some hardware and etc.Our products have send almost all over the world.With advanced process,stict testing,excellent quality and beautiful appearance,all our products are made of high quality materials.


LPG Gas Burner
1) the camping gas burner is suitable for any pan
2) Camping cooker parts adjusting fire arbitrarily
<1> portable type of camping gas burner,Convenient operation and easy to adjust the flame for your ideal cooking
<2> cold-rolled plate fingerprint-resistant SECC or stainless steel panel of the camping gas



We sell a variety of gas burners, such as natural gas burner, LPG gas burner, Steel Gas Burner, Outdoor Gas Burner,Gas Cooker Burner, portable gas burner,and China gas burner andgas.


Gas Burner

Outdoor Gas Burner, LPG Gas Burner, Gas Cooker Burner, Steel Gas Burner

ANSUN IMPORT AND EXPORT LIMITED. , http://www.ansungroup.com