What is the reason for the yellow leaves of spinach? How to solve?

Spinach is rich in carotene, vitamin C and other nutrients, and it tastes delicious. Therefore, it is favored by many consumers. Its market demand is also good, attracting many growers to plant. However, in the near future, farmers have reacted, and spinach has a yello

How is selenium-enriched rice grown?

[Agricultural Products Network] The selenium-enriched rice that we sell on the market today is basically realized through agricultural technology. In fact, there are also natural selenium-enriched rice. Natural selenium-enriched rice first requires s

How to fertilize potatoes in winter

1. Apply when sowing potato chips, use superphosphate or apply a small amount of nitrogen fertilizer as seed fertilizer. However, it should be noted that nitrogen and phosphate fertilizers cannot directly contact seed potatoes. In many areas, the habit of seeding yam and ash is sown. In ad

The cause and countermeasures of dead seedlings of gourd

Recently, seedling gourds and seed melons were severely killed, and some plots were up to 35% dead.

After field investigation, there are two main reasons for the gourd dead seedlings:

This year, the temperature of the gourd was lower than that of previous years, which induc

Apple tree winter pruning attention problem

1. Lightly based, simplified trimming; overall slow release, four seasons adjustment.

2. Due to the tree system, comprehensive regulation. Because winter pruning is a very technical and practical method of operation. However, we must truly grasp and use it freely: First, we must f

Is it feasible to shave the old skin in the winter?

A: It is feasible, timely scraping old skin and burning it in a concentrated way is a good way to promote tree growth and prevent pests and diseases. It should be noted that the bark should be scraped off to the extent of the rough bark of the old bark. The farmer should not be too deep in the

Apple does not sell bags without selling

"Apple doesn't bag, afraid to sell it." This is a common concern among people in the apple producing areas. However, in Gancaotun Village, 50 kilometers southeast of Luochuan County, Yan'an City, Shaanxi Province, it is another scene. Recently, in the cave of Dong Niehui&

Lettuce management technology

Scientific watering

After the seedling water is used, it is necessary to look at the soil moisture and growth conditions to master the number of watering. Usually water is poured in 5-7 days. When the temperature is low, the amount of water should be small, and the date of watering