Plant genetic improvement by means of transgenic technology is a major component of agricultural biotechnology. In the past 10 years, the plant transgenic research has made remarkable achievements and provided conditions for the sustainable development of agriculture. Since the first report of the ......
Recent Posts
First, the type of double-vine pruning method is also known as Sun Mangua melon pruning method. When the seedlings have 4 true leaves, they pick their heart and promote vine growth. When the main vine grows to about 15 centimeters in length, they choose to keep 2 sturdy vines and remove the remaini ......
The reasons and prevention and control of mushrooms without a mushroom. Improper selection of strains. Cultivation of shiitake mushrooms in the fall should be done in medium- or low-temperature and early-maturing varieties. In spring cultivation, medium-temperature or low-temperature and late-matur ......
Before using the seeder, read the product instruction manual carefully to understand the scope of use, structure and characteristics. For the complete installation of the seeder due to transportation, it should be installed correctly according to the instructions. Adjusting the seeding rate, the s ......
First, the characteristics of the cylinderless diesel engine: The all-cylinder linerless diesel engine is a new type of diesel diesel engine newly developed by Jiangling Company (natural intake model JX493Q3-1 and turbocharged model JX493ZQ-12). At present, only a few diesel engine plants in China ......
Penaeus vannamei and green prawns were reared on the same pond, namely a pair of Penaeus vannamei and one puppies of green prawns. Penaeus vannamei is a tropical shrimp, and the conventional breeding and production cycle is only about 120 days. Adopting Penaeus vannamei and penguin rotation can eff ......
(1) Do a good job of freezing the farm machinery. In order for the winter machine to enter the shed and the car to enter the warehouse, if there is no warehouse and it is necessary to park in an open space, the locomotive shall be parked southwards and covered with a tarpaulin. The cooling water sh ......
1, adjust the hand brake's tightness. In the winter, the road surface is slippery, and the handbrake has more functions. It is necessary to adjust the tightness. When parking, it must be pulled up to ensure that it is not slow. 2, check the tires and air pressure. Winter road surface friction ......
In the fall of 2000, the Guodian Base of the Shandong Forest Tree Seedlings Breeding Center introduced golden pear seedlings from South Korea and established a high-standard "Y"-shaped demonstration demonstration pear orchard. The test park covers an area of ​​13.3 hectares ......
The whitebait, also known as noodle fish, was originally widely distributed in the mainstream of the lower reaches of the Yangtze River and its affiliated lakes. Its tender meat is delicious and nutritious, and the food has a special cucumber fragrance. The length of the silverbait is generally abo ......