Appearance visual inspection visualizes corn embryo embryo shape and color. Any kind of embryo protruding or shrunken, dark and dull, the seed is fresh, strong life, can be used for production purposes. Immersion seed germination method First 100 seeds were immersed in water for about two hours,

Vegetable corn has high nutritional value. In addition to adopting early spring mulching film to cover the early maturity supply market, it can also be used for delayed cultivation after autumn. As long as the cultivation and management is proper, the average yield per mu can r

Crabs can grow through oyster shells, and their pods need to have three conditions: first, ecdysis, second, effective accumulation of temperature, and third, nutrient accumulation, and the three are unified to promote oyster shells. After decapitating and stocking the crabs, the first clamshell sh

In the early sowing area affected by the rapid temperature change of the cold current, the rice seedlings suffered from different degrees of freezing damage, which affected the management of the paddy field and delayed the transplanting process to some extent. In order to do a

The temperature difference between the early morning and the evening is very large. Some friends have a cold when they are not careful! Many people think that they may wear less clothes before they let the cold take their chance. However, the lack of immunity may be the root cause. Improve immunit

According to the monitoring of the regional stations in the province, combined with the growth period and growth of rapeseed, historical data, climate and other factors. It is expected that Sclerotinia sclerotiorum will occur in the main rapeseed producing areas of our province, including Jianghan

Temperature and humidity control 1 to 3 years old is called small silkworm, and the environment required for small silkworms is high temperature and humidity. 1~2 instar suitable temperature 26 °C ~ 27 °C, relative humidity 90%; therefore 1 ~ 2 instar silkworm adopts full-defense dry cultiva

The low temperature and humid environment in winter is conducive to the proliferation of many pathogenic microorganisms, which may easily lead to the occurrence of diseases. Therefore, it is also an important part of the environmental control of winter pig houses to eliminate d

The tomato was damaged by the thorns, the leaves of the plants became thicker and easily broken, the leaves and stems were gray-brown, and the surface of the fruit had small cracks. Prickly thorn is a new pest that has emerged in recent years. It mainly harms tomatoes, peppers

1. Irrigation and cooling: timely irrigation can improve the field microclimate and reduce the temperature between plants by 1 °C ~ 2 °C. Dry crops can be sprayed directly onto the stems and leaves of the crops by sprinkler irrigation or sprayers to maintain the balance o

Peanut net spot disease, also known as brown spot disease, cloud spot disease, often mixed with leaf spot disease, can cause early peanut leaf loss, seriously affecting peanut yield. Symptoms of net plaque often occur in the flowering stage, the peak period of the disease is f

The programmable high and low temperature test chamber is not easy to start and the sound is very loud. When this happens: First, check the power supply voltage. If the voltage is too low, the coil current on the breaker will be too small, the contacts will not be attracted, and the compressor wil