Grape leaf yellowing prevention measures

The leaves of plants with physiological diseases are small, thin and yellow, and the roots are mostly black and yellow, and root rot is serious. At the same time, unreasonable application of a large number of elements during fertilization causes a

How to control sweet potato cracking

Diseases that cause the cracking of sweet potato are common in people who suffer from rickets and nematodes.

Prevention:

First, use resistant varieties.

Second, establish a disease-free seeding area and cultivate disease-free strong seedlings. Seed potatoes were ste

Ground ginseng planting technology

1. Selected land

Ginseng grows best in sunny places, so when you choose a site, you must have plenty of sunshine. Ginseng likes to grow in sandy soil, so you need to pay attention to the choice of soil. The ground ginseng is not resistant