Urea

The appearance is white, spherical particles, soluble in water and liquid ammonia, and pure urea begins to show instability when heated to near the melting point under normal pressure. If you put a clean piece of iron on the stove an.......

In recent years, the phenomenon of rotten fruit has become more and more serious, the rate of rotten fruit has reached more than 20%, and the special year has reached 50%, even causing no harvest, which has seriously affected the yield and quality.......

As the saying goes: "3 nitrogen, 6 phosphorus, August potassium", now the apple tree is time to apply potash. Potassium is one of the important elements required for fruit trees. In particular, it has an irreplaceable role in improving a.......

Tiger Piran grows slowly, thinking about applying fertilizer to Tiger Piran, but Tiger Piran can not be fertilized, or it may lead to root burning. So how do you fertilize tiger Piran? What kind of fertilizer is good for tiger Piran?

I jus.......

Light shearing, slow-release light-cutting, slow-release, and single-head extension are the basic methods for fruit tree pruning and mitigation of tree potential. This method makes it easy for branches to accumulate nutrients and form flower buds........

For nutrition. The consumption of geese increases in winter, so it is necessary to raise feed nutrition standards, balance the consumption of goose bodies, and enhance their ability to keep out the cold. Generally, it is necessary to appropriately increase the energy feeds such as rice and.......