(1) After 21 days of breeding, no longer return to the situation, pregnant sows.
(2) Feed 2 times a day, 2 kg per day in the early stage and 3.5 kg per day after 100 days of pregnancy.
(3) Properly increase or decrease the feed according to the sow's moisture content, a.......
Cucumber "return to melon" refers to the melon of the main cranberry at the end of harvest and knots on the side branches of the plant. The correct identification and use of the “keep melon†feature of cucumber in production can promote vine-side nectar, which can inc.......
Release date: 2015-10-22
With the continuous improvement of the management level of domestic hospitals, the quality of hospital infrastructure and medical equipment directly reflects the number of hospital visits and diagnostic levels, so medical.......
Rich onion flavor, can store resistance. It can be eaten in a variety of ways. It can be used as a seasoning and can be used alone. Therefore, onions are the common food that every family eats. However, eating more does not mean that you will eat. Recently, the Uni.......
After the autumn harvest is comp.......
The common diseases of carrots are black spot, black rot, and bacterial soft rot. The pests mainly include underground pests, aphids, and root lice.
For the control of black spot and black rot, good varieties were selected, rationally distributed, crop rotations were applied, organ.......
What to do with roots of seedlings?
If the ground temperature of vegetables is lower than 15°C for several days in a row, the amount of watering is large or long-term and rainy, the temperature of the seedbed is low, and the time for the seedlings to regenerate is long, the root.......
Nutritional value and efficacy of oiled wheat dish
The oiled wheat dish, also known as the buckwheat dish, is a tip leaf type lettuce with tender shoots and young leaves. The leaves are long, needle-shaped, light green in color and .......
The management of grapes before winter is an important part of the annual management. Combining with the actual conditions in the production process, the following cold winter measures can be adopted:
Winter scissor cuts winter cuts before winter to reduce evaporation of winter sho.......
   Β-galactosidase is a hydrolase in cell lysosomes that hydrolyzes lactose into glucose and galactose. Its structural gene is LacZ, which forms a lactose operon with LacY (galactosidase) and LacA (galactosyltransacetylase), and acts as a repressor, operator, .......