How long can the tea be kept for tea

Many people mention how to preserve tea. The first reaction is to put it in the refrigerator or seal it with a tin can. Apart from these two, what are the preservation methods for tea? In fact, there are many methods for the preservation of tea, mainly to prevent t

How to graft cactus and succulents

The succulent plants with high growth, shape and color are used as scions for rapid growth, cutting and easy-to-live, and palm-shaped, columnar and spheroidal succulents with low ornamental value.

When grafting, the top of the rootstock is flattened with a sharp knife. The noodles

Several key measures for winter tomato management

Planting wintering tomatoes has high technical requirements. After years of management practice, the author believes that the regulation of water, fertilizer, temperature and humidity, and the prevention and control of pests and diseases should be done to create good environmental conditio

Potted fruit trees should pay attention to these problems

First, ignore the irrigation and drought. The pots of potted fruit trees have a small volume, and the roots of the fruit trees are shallow, which is prone to lack of water. If the water is not replenished in time, the leaves will be wilted or even die. Therefore, we must pay attention to k

Comparison of recombinant trypsin and traditional trypsin digestion

Trypsin is a serine proteolytic enzyme. Its precursor is a biologically active trypsinogen, which is produced in the pancreas. When the pancreatic juice is secreted into the small intestine and activated by the intestinal peptidase in the small intestine, the pr

How to improve soil degradation in orchard

To fertilize the degraded soil, 10 kg of humic acid bio-bacteria + 170 kg/mu of straw substrate can improve the quality of soil cultivated land, soil looseness, water retention and fertilizer retention capacity, and soil organic matter content. After years of application, the soil fertilit

Potato tuber formation characteristics

The buds begin to bloom in the inflorescence as a tuber formation period. After experiencing the top of the stem of the shoot, the first inflorescence begins to bloom.

The tips of the stems of the whole plant began to expand until the maximum tuber diameter reached 3-4 cm, and the dry weig