The name of the rich tree: Robinia pseucdoacacia is an excellent species of ornamental and afforestation, soil conservation and sand fixation. It is a rare source of summer and autumn powder. It is native to Spain and was introduced to North Korea in the 1960s. Jilin Ji Yong’s agronomist Li
Read moreOne is the question of how long the sunshade network covers and covers. Covering the shade net requires a flexible grasp of the light intensity and temperature requirements according to the weather conditions, the type of vegetables, and the stage of vegetable growth. Generally sunny cover, cloudy
Read moreMost of the power transmission for small tractors and three-wheeled agricultural vehicle engines uses triangular belts. When the engine is in operation, the V-belt is always in operation. Under the influence of external forces and temperature, the belt will become longer and deteriorate, and the w
Read moreA potted phalaenopsis is placed at home, which not only adds a festive atmosphere, but also has beautiful enjoyment. However, there are many species of Phalaenopsis on the market. They all seem to be similar, but their prices are very different. How can we choose an ideal butterfly orchid? Accord
Read moreIn July and August, during the rainy season, the temperature is high and the humidity is high. The climatic conditions are conducive to the spread of pests and diseases, which is a crucial period for preventing and controlling the damage caused by pests and diseases. At the same time, the new shoo
Read more1. Variety selection should choose varieties that are both resistant to heat and rust. Generally used in Dalian Academy of Agricultural Sciences selected agricultural farmers 97-5 or Liannong 13 yellow, but also available in Thailand beans, these varieties are white and green series. If you like g
Read moreFirst, symptoms: Cabbage, Chinese cabbage, rapeseed, and other Chinese cabbage vegetables can be chilled during wintering cultivation, nursery, early maturing, and late growth of Chinese cabbage. The light leaves turn white in thin paper, and the heavy leaves seem to burn and the stalls fall. Gro
Read moreFirst, the incidence and trends of pests and diseases According to the investigation of the plant and disease prevention and control station bases, the average number of live larvae survived after the winter was 8.7, which was 52.9% and 60.9% lower than last year and the annual average respective
Read moreThe best time for grafting litchi grafts is 3-5 months, and management can be followed by good results next year. The fruit growers should seize the opportunity to do a good job of grafting and changing litchi. First, choose the best time. For the one-year grafting of lychee, both spring and autu
Read moreThe prevention and control of insect pests (mushrooms, mushrooms, mushroom worms, cockroaches, worms, nematodes, etc.) during the production of edible fungi is a headache for Mushroom farmers. Now, I will introduce several methods for clever management of edible fungus pests to Mongong's frien
Read moreThe common symptoms of premature aging of summer vegetables such as eggplant, pepper, tomato, cucumber, melon, and bean pods are: atrophy, slow growth, yellowing of leaves, late flowers and fruits, low yield, poor quality, and severe death of plants with premature wilting. The reason for this is d
Read moreFeed the concentrate cows 4-5 days postpartum and start giving a small amount of succulent feed. As the breasts become swollen and soft, gradually increase the amount of feed until they reach the standard dosage (usually 7-15 days). In the second lactation month, the lactation peak of dairy cows ca
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