Since 2004, our county has been affected by the cold air in the north many times in a row. Especially in late January and early March, the minimum temperatures reached minus 7 degrees and zero degrees respectively, causing serious freezing damage to the growth of tea plants. According to preliminar
The cucumbers in the greenhouses are weak in roots and have poor absorption, but they have very good fertilizer and fertilizer resistance. Nitrogen fertilizer can promote the growth of cucumber vines and promote the development of male flowers; and phosphorus and potassium fertilizers can promote t
Daffodils have strong cold resistance and can be planted on grass or flower beds in warm areas. The soilless culture method of daffodils is more worth promoting because it is easy to cultivate, easy to operate, clean and sanitary. In order to meet special needs, we can make narcissus flower ahead o
After the plastic mulch film is covered by the potato mulch, it not only keeps the ridge of the soil moist, saves water, but also increases the soil temperature and promotes the growth and development of the potato. According to the experiment, potato tubers grown in film-covered cultures swell ear
The construction of a water kiln underground in Taoyuan has high water-saving and energy-saving benefits. Now its cultivation techniques are described as follows: 1 Construction time and methods of kiln construction 1.1 Time for building pits The best time to build cellars is from late February to
Ligustrum is an evergreen tree of the genus Oleaceae. It is 8 to 10 meters high. It is hi light and shade-resistant. It is warm and moist. It does not require strict climate control. It is an excellent green tree species that can be used as a street or garden tree, or as a hedge. There are two key
The genus is a semi-evergreen shrub whose branches are arched and sturdy; if the snake is rooted, it is squiggled; in the season of autumn and winter, the red fruits are numerous, and they are called "snow pressure corals" and are good materials for making bonsai. The specific practices o
To extend the life of a tractor engine, several important steps must be mastered: First, running in. Do a good job of the running-in test of the engine after the new machine or overhaul. According to the manufacturer's technical requirements and commissioning s
The two-in-one shrinking machine combines sealing and shrinking into one, eliminating the bulky heat shrinking machine. The two-in-one shrinking machine is more powerful: it can be sealed and shrunk at the same time. It can also be sealed or shrunk separately. It ca
To identify the old and new levels of old diesel engines, one can take one, two, and three tests, and try to be the main method. One question: It is to ask about the purchase time, use and reason of the diesel engine, the repair situation and the replacement of the