With humic acid-rich peat, lignite, weathered coal as raw materials, through amination, nitrification and other chemical treatment, or add nitrogen, phosphorus, potassium and trace elements made of a class of fertilizers, known as humic acid fertilizers. It has many functions such as improving the ---
As the temperature decreases, the indoor temperature of the shed will also decrease day by day, and at the same time, various root anomalies will occur to varying degrees. (Tomatoes, for example) — Blight, root rot, bacterial wilt, and root-knot nematodes It is a relatively common disease i---
As the temperature decreases, the indoor temperature of the shed will also decrease day by day, and at the same time, various root anomalies will occur to varying degrees. (Tomatoes, for example) — Blight, root rot, bacterial wilt, and root-knot nematodes It is a relatively common disease i---
Dahlia virus disease is also known as Dahlia mosaic disease. In China, Guangdong, Kunming, Shanghai, Inner Mongolia, Liaoning and other provinces and cities have occurred, severe plant growth and atrophy, generally scattered. Symptoms Dahlia leaves produce yellow veins and veins in the veins or l---
Miaofei should be applied early, lightly and partially, mainly nitrogen fertilizer. In the basal fertilizers, there is no combination of available fertilizers or unfertilized fields. Early application and light application can make up for the lack of available nutrients, which has the effect of pro---
Based on the application of basal fertilizer, spring maize should be used as a method of fertilization with light weight, medium weight, and subsequent fill. Before the light, refers to the before and after the jointing of corn, fertilization, jointing fertilizer is also called attacking stalks, ---
Health and Environmental Protection Green Guards Health, environmental protection and evergreen are people's concerns about the greenery of football fields. The growth rate and economic output are not important. Therefore, it is best to use microbial fertilizers and organic fertilizers in order---