Tomato use hormone precautions

In order to prevent the tomato from falling and falling, the more fruit hormones used in production are 2,4-D and anti-fallin. Farmers should pay special attention to the following points during their use:

Use concentration

The concentration of 2,4-D is generally 10ppm-20pp

What should I do if the tomatoes grow weak after planting?

The high temperature weather affected the growth of the roots and shoots of the plants, resulting in weak plants and even yellowing of the leaves. During the management process, pay attention to shading and cooling, and timely plan after watering to optimize the root respiratory environmen

Corn is high-yield, and pouring water four times is the key!

"I don't want to pour, the crops look at the world." Whether corn needs to be watered depends on the growth and development of the corn, the weather conditions and the soil moisture content. If the soil water content is less than 16%, the clay water content is less than 20%,

"Cell": MIT finds the key genetics of leukemia

On February 2, 2017, "Cell" magazine published David M. of the Massachusetts Institute of Technology online. Sabatini Fellow and Eric S. A research paper by Lander Researcher reports a set of key genes in 14 human acute my

Fruit tree pruning technology and its precautions

1 Develop a reasonable pruning plan to correctly judge

1.1 Judging the tree potential

The tree potential can be roughly divided into three types: Wang, Zhongyong and Weak, and each type can be subdivided into multiple trees. According to whether the growth of the fruit tree

Vegetable insect net isolation precautions

The implementation of isolation and cultivation of insect-resistant nets for vegetables can prevent pests from harming, so that no pesticides or less use of pesticides is needed, which is conducive to the production of vegetables without pollution. The following points should be noted when