The choice of raw materials for fresh-keeping shiitake mushrooms must first of all pay attention to raw material freshness, which is an important factor in determining the quality of preserved shiitake mushrooms. The raw materials must be fresh and the color is normal. Secondly, the mushroom shape
Release date: 2006-11-14 Experts said: CT, nuclear magnetic examination have their own advantages Modern medicine is inseparable from laboratory tests, but in the face of those projects, many people are confused. In order to help everyone understand, from this issue, this edition opens up the &
Due to seasonal restrictions on agricultural machinery, the working time is short each year. For example, planters, harvesters, etc. only work for more than ten days in one year. The storage time for parking is long. If not properly maintained, the machine will be damaged during parking. Far more
The scientific ingredients for ducks and ducks feed mainly on cereals, accounting for 50% to 60%, adding 10% to 20% of cakes, 10% to 15% of fishmeal, 1% of shell powder and salt, multivitamins and additives. The amount of fish meal can be increased or decreased according to the egg production rate
Some heads of the monkey head are less than the standard size of the commodity. The only small ones are long stabs of peanuts. This occurs in the second and third oyster mushrooms. One of the main reasons is that the cultivation of nutrients and water in the material is seriously lacking, and the
1. Sowing and breeding 1 The gilts should be selected among the progenies propagated in the approved breeding farm core group. The breeding pigs should be well-developed, healthy and disease-free, in line with the characteristics of the varieties, normal development of reproductive organs, and nipp
First, the harvest should be selected resistant storage resistant varieties timely harvest. Judging whether the fruit is ripe or not can be determined from the following aspects: When the fruit is no longer growing, the shoulders are rounded, the skin color is darkened; the fruit is cut, the seed s
Pearl aphid is a rare wild economic animal that combines edible game, medicinal, fur, ornamental, experimental animals and cosmetics raw materials. With its fast growth rate, high reproduction rate, easy breeding, and high survival rate, it has become a good breeding project for people to become ri
Chinese cabbage can be cultivated in various parts of the country. It is not only the main vegetable on the market in the winter and spring of the northern region, but also can adjust some demands of the southern market. There are many varieties of Chinese cabbage, and the medium-late-maturing var
In recent years, the artificial breeding of alfalfa has developed rapidly, and how to increase the artificial hatching rate of alfalfa eggs is a problem faced by a large number of specialized breeding families. Improve the hatching rate of quail eggs. During the incubation process, be sure to grasp
When the tractor is working on the farmland, it is easy to run away. At this time, not only is the operation difficult, but also the wear of the related parts is accelerated and the quality of the work is seriously affected. Therefore, we should pay attention to it and pay attention to prevention.
Symptoms: After the leaves of the rhizome endangered, the water-stained discoloration streak appears, spreads and spreads to the rhizomes, and the internal tissues are gray-brown, sticky, soft and rot, and there is odor, leaving the shell of the empty shells behind and the sick leaves wilting. , ea