Introduction to the purchase of granule packing machine and powder packaging machine July 07, 2021 At present, domestic pharmaceutical companies, as long as they produce Chinese patent medicines, gen ...
Variety of herbs suitable for winter sowing July 07, 2021 According to its growth habits, some medicinal herbs are grown in winter and have many advantages ...
Identification and Control of Black Streaked Dwarf in Southern China July 07, 2021 Southern rice black-streaked dwarf disease is a rice virus disease that occurs in the southern ric ...
Edible fungus - the three main points of mushroom cultivation July 07, 2021 One is to ensure the quality of mushroom. The quality is not good, the price will not be high natur ...
10 most promising therapeutic vaccines can cure certain diseases July 06, 2021 Unlike traditional vaccines that have a preventive effect, therapeutic vaccines can treat ...
How to choose and control the sow's feed? July 06, 2021 Sows can be divided into five stages: backup period, weaning period, pre-pregnancy, late pregnancy ...
The causes of winter wheat seedlings and their control measures July 05, 2021 The reasons for the winter wheat seedlings are mainly in the following aspects. First, physiologi ...
Winter feeding management of pregnant sheep July 05, 2021 First, feed should meet the nutritional needs In the winter, pregnant sheep that stop milk produc ...
Impurity and dirt cleaning of pH meter and electrode July 04, 2021 Because the concentration of the medium measured by the pH meter electrode and the contaminated impu ...
Laboratory instrument acidity meter common troubleshooting method July 03, 2021 Usually, if there is a problem with the electrode attached to the instrument when the acidity meter ...
Chinese herbal medicine winter management measures July 02, 2021 First, apply base fertilizer. Perennial Chinese herbal medicines should be applied to basic fertil ...
Winter fish can not be ignored calcium phosphorus July 01, 2021 Some people think that winter fish ponds have low water temperatures, low fish activity, slow meta ...