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A: The seedling fertilizer should be applied early, lightly applied and biased, with nitrogen fertilizer as the main. In the base fertilizer, which is not matched with quick-acting fertilizer or unfertilized fertilizer, early application and light application can make up for the lack of available nutrients, and it has the effect of promoting roots and strong seedlings. Jointing fertilizer should be applied stably, mainly organic fertilizer, and a small amount of available nitrogen and phosphate fertilizers should be mixed in moderation. Lack of basal, Seedling and weaker maize, should increase the amount of fertilizer, typically 10-15 kg per acre topdressing 3-5 kg of ammonium bicarbonate or urea. The jointing fertilizer is usually applied before and after the jointing of the corn, when about 7-9 leaves are opened, and the ground fertilizer and seedlings should be properly chased and less chased. The thin and weak seed should be applied early.
Globe Valves and angle valves are designed for throttling or regulating flow in commercial and industrial applications. Bronze, cast iron, or cast ductile iron materials. Threaded, flanged, or solder end connections.
Angle valves for use in commercial and industrial applications. Typical services include hot and cold water, HVAC, steam, compressed air, gas and other general utility services.
Vacuum angle valve is used for turn on or shut off the airflow in the vacuum pipeline, the applicable media is air and non-corrosive gases.
It has two structures, one is angle type and another is a 3-way type within an ISO-KF or ISO-F various flange end pre-pump port.
a) Small diameter (≤DN50) valve body are precision investment casting.
b) Large diameter (> DN50) valve body are molding shaped seamless steel or steel plate.
c) Bellows sealed structure can withstand 150ºCtemperature, metal sealed structure can withstand 450ºCtemperature.
d) Can install on any position to control the airflow in the vacuum pipeline, as an on-off valve purpose
Angle Valves, Angle Globe Valves, Brass Angle Valve, Zinc Angle Valve
ZHEJIANG KINGSIR VALVE CO., LTD. , https://www.kingsir-valves.com