Early spring tea management methods are as follows: First, weeding loose soil: After 4-5 months of rain and snow in the tea garden, the soil has been compacted, and some have grown grass. At this time, the soil temperature is low. Therefore, the tea plantation weeds the soil before the spring tea ----more
Because of the low temperature in the winter, rural biogas digesters are generally not used for gas production. People often neglect their daily management and are prone to unnecessary losses. First, pay attention to the problem 1. In the winter, the water storage ring of the rural courtyard bio ----more
According to the plant protection policy of “prevention-oriented, comprehensive prevention and controlâ€, the principle of harmless control based on “agricultural control, physical prevention, biological control, and chemical control is supplemented†is adhered to. The speci ----more
"Swiss Snow Megan" is a widely-received agricultural land in China. In addition to heat preservation and preservation of overwintering crops, snow-white snow also has a wonderful effect on pig production. In the declining process of purifying pig farm snowflake, due to contact with the ----more
Whitefly, commonly known as the white moth, is a serious hazard to spicy and sweet peppers and so on. The adult colony sucks sap from the back of the leaf and secretes honeydew to induce mildew disease. The victim's leaf turns green and yellow, causing the plant to grow weak and even wilting t ----more
Release date: 2012-12-03 Deep inside the mammal's inner ear is a natural battery: a small chamber filled with ions that produces voltage-driven nerve signals. According to a recent report by the Physicist Organization Network, researchers from the Massachusetts Institute of Technology, Mass ----more
The main raw materials for photosynthesis of crops are carbon dioxide and water. Carbon dioxide comes from the air and is constantly replenished by the circulation of air. At the same time, it also comes from the organic matter in the soil and is continuously released by the decomposition of micro ----more