"Golden needle" makes tumor cells nowhere

The reporter learned from the Hefei Institute of Physical Science of the Chinese Academy of Sciences that Zhang Zhongping, a researcher at the Institute of Intelligent Micro-Nano Devices of the Institute of Intelligent Research, hired a team of researchers to make breakthrough

Lettuce (lettuce) seedlings transplanted and colonized?

Due to the shallow roots of lettuce, the soil should be well-drained, fertile, water-retentive and fertile. Per acre Shi compost compost and human and animal manure 4000 ~ 5000 kg, 50 kg compound fertilizer. If the fertilizer is insufficient, the plants will not grow well, and it is easy to deflate

Weeding for winter wheat

There are more than 200 species of weeds in wheat fields in China, and more than 20 species are common and seriously hazardous. Among the main weeds in the main wheat growing areas of our province, there are mainly weeds of S. sophia, leeks, scallops, bryophytes, wild sorghum seeds, cyperus commun

Sandwich pot use

This product adopts a one-piece stainless steel pot body to ensure the smoothness of the pot. Steam, liquefied gas, natural gas, electric heating and heat transfer oil can be used. It has the characteristics of large heating area, high thermal efficiency, uniform heati

Cultivation of Colored Cabbage

1, characteristics The outer leaves are mostly green, and the leaves have various forms depending on the species. The autumn sowing varieties are early-maturing and mid-late-maturing varieties, and the growth period ranges from 50 to 80 days. The plant type is mostly erect, the leaves are stacked

Pomegranate prunes four points

Proper late cut pomegranate twigs have loose texture and poor cold resistance. In order to reduce frost damage, winter shearing should be delayed until late February. In winter and summer shear combined with winter shear often result in excessive tree vigor, which is not conducive to the formatio

April coriander cultivation techniques

1. On April 5th and 10th, the seeds were soaked in fresh water for a day and night, and then the water was taken out to control the semi-humid state. When germinating, the seeds should be packed in plastic pots. Do not cover the pots for convenient ventilation. Place in the indoor shade at room te

Before and after management of leeks

After the winter temperature drops, cultivation of leeks needs to be insulated with sheds. The field management techniques during the shed period are briefly described below. Before the shed (1) clean the bowl. In early November, the leeks began to dry after several frosts. At this point, the stal