First, the pulsation method will remove the upper end of the high pressure tubing, so that the top end down, when the pump oil to the top of the oil, slowly flywheel, found that the oil pulsate slightly, that is, start the oil supply time, look at this time on the flywheel The oil supply is en.......
To extend the service life of the rubber track of the combine harvester, the following three tasks should be used, adjusted, and maintained: 1. The use of tracks should be careful. 1. Do not make sharp turns on concrete floors, gravel roads or hard roads so as not to accelerate crawler wear an.......
The purpose of raising the sow's productivity is to provide more, more robust piglets a year. Adopting effective measures to shorten the interval between sow lactation and sow weaning to re-breeding, and raising the number of litters born to sows and the survival rate of piglets can achiev.......
Recently, Yang Huang, a farmer with a surname of Huang, was convicted of his 200-mu longan: nowadays, it is a critical period when longan is used for quick and effective autumn harvest. However, more than 100 yuan / pack of urea let him dilemma. If you go down with high costs, but do not know .......
I. Breeding conditions and supporting preparations 1. The area for pond preparation is 5-30 mu and the water depth is about 1.5m. The water source is free of pollution, and the drainage is convenient. Electricity and land and sea transportation facilities. At the end of one culture cycle, the .......
First, 25 kg of corn flour, mixed with 50 grams of starch enzyme mix, add 52.5 kg of cold water into the iron pot, stir with a spatula or stick until no time, regenerate the fire and cook into porridge. Second, the cooked porridge into the large cylinder, plus 22.5 kg of cold water, with a the.......
Pre-immune immunization, also known as zero-time immunization or pre-immunization, is the depriving of suckling colostrum after the birth of the piglet, and then sucking in colostrum after a certain period of time after the vaccine is injected. For a long time, our country has used swine fever.......