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Green ecological organic fertilizer is based on chicken manure and crop stalks as the main raw material, and is produced by multi-dimensional complex enzyme fermentation. Multi-dimensional complex enzyme is a micro-ecological fermentation preparation composed of 106 kinds of beneficial microor.......

In the high-temperature and high-humidity summer, due to the respiration of food, the excretion of pests and the contamination of corpses, etc., it is easy to cause moldy and serious loss of grain storage. So, how to store good food? The key is to pay attention to the following points: 1. The .......

l, visual inspection. The seeds were observed by naked eyes for plumpness, evenness, impurities, and the amount of incomplete kernels. Whether the color is normal, there are no pests, bacillary dysentery or mildew, and the external characteristics of the seeds such as the presence or absence o.......

• Model NO.: NEO-10522
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First, the identification method of vitamin A Vitamin A naked eye or grayish yellow particles. Take a sample of 0.1g, wet it with absolute ethanol and grind it, dissolve it, add chloroform 10ml, and then add 0.5ml of chloroform solution of antimony trichloride. If the solution shows blue first.......

Dry cowpea has a unique flavor, and it has the functions of nourishing yin and nourishing blood, clearing away heat and tiredness, and maintaining the spleen and stomach. It is a favorite dish for people. The drying techniques of cowpea are introduced as follows: 1. The choice of ingredients i.......

Fresh mushrooms harvested in the cold storage are cleaned and put into baskets and baskets and covered with multilayer wet gauze or sacks. Put the cylinder in the cool place, there is a small amount of clear water in the cylinder, place the wooden frame on the water, place the basket on the wo.......