When is the best harvest of Dutch beans?
A: The Dutch beans are harvested too early, although the quality is good, but the yield is low; the harvest is too late, the sugar content in the beans decreases, the starch content increases, and the sweetness decreases. It is usually harvested 12-14 days after flowering. The bean pods of the Dutch beans are inconsistent in maturity, especially the vines are more obvious, so the harvest must be harvested in batches according to the growth of the field. Generally, the dwarf varieties can be harvested in two times; the semi-vine varieties are harvested in 2-3 times; the vine varieties can be harvested in 3-4 times. When harvesting, avoid breaking the vines and touching the flowers. The field harvesting operation should be meticulous, so don't miss the wrong harvest. In order to ensure that the plants are not damaged when picked, they can be picked with small scissors.
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Hot-dip galvanization is a form of galvanization. It is the process of coating iron and steel with zinc, which alloys with the surface of the base metal when immersing the metal in a bath of molten zinc at a temperature of around 840 °F (449 °C). When exposed to the atmosphere, the pure zinc (Zn) reacts with oxygen (O2) to form zinc oxide (ZnO), which further reacts with carbon dioxide (CO2) to form zinc carbonate (ZnCO3), a usually dull grey, fairly strong material that protects the steel underneath from further corrosion in many circumstances. Galvanized steel is widely used in applications where corrosion resistance is needed without the cost of stainless steel, and is considered superior in terms of cost and life-cycle.
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