The summer sowing period coincides with the “three summers” busy season. The under-employed households are planted under the condition of no fertilization. The nutrients needed for soybeans are from the nutrient residue of the former crop in the soil and during the growth of soybea.......

After harvesting and before storage, it is very important and necessary for apple to pretreat the quality of storage. The presence and quality of pretreatment can directly affect the quality of the fruit during storage. Pretreatment includes: picking fruit, grading, dipping fruit, and pre-.......

1. Sowing seedlings. Autumn and winter cultivation of oil and wheat vegetables, 10 to December sowing seedlings. In October, it was possible to plant seedlings in open fields, and in November and December, seedlings were planted in protective plots such as pipe sheds. The tube shed should .......

In order to maintain a good layer and make the layer high in yield and stable, in addition to good breeds and good feeding methods, the quality of the feed is the most critical. The rations of laying hens are generally best for satisfying the needs of the protein if they meet energy needs........

The spraying of hormones is prolonged in peanut fields where soil fertility is high and water and fertilizer conditions are good. Under the guidance of agricultural technicians, scientific spraying of hormones can be controlled.

Foliar spray fertilizer to prevent premature failure .......

First, artificial ecological environment breeding method. That is, artificially creating a water area that meets the environmental conditions for the production of pollution-free aquatic products to carry out pollution-free culture, such as: farming of shrimp and crabs with grass. Now it h.......

In order to increase the egg production of hens, some chicken farmers are arbitrarily increasing the amount of vitamins they feed. As a result, hypertrophy occurs in laying hens, which affects the growth and production of laying hens. Addition of vitamins to layer chicken diets must be str.......

The optimum temperature for chicken egg production is 22°C to 28°C. In the summer, as the temperature rises, because the chicken itself has no sweat glands, the ability to regulate body temperature is relatively poor, so the chicken is prone to heat stress, resulting in decreased egg.......

First, the rooster trains the rooster before he collects sperm to train it. The training can be conducted in the afternoon. Hold the rooster's legs with your right hand so that the rooster heads to the lower left and gently massage the abdomen to the pubic bone with your left hand, cau.......

Stainless steel reactor operation procedures:

1. Before the stainless steel reaction kettle is started, check whether the inside of the kettle, the agitator, the rotating part, the auxiliary equipment, the indicating instrument, the safety valve, the pipeline and the valve meet the saf.......

The current open-leaf summer fruits mainly include cucumbers, eggplants, pod beans, and tomatoes; leafy vegetables mainly include fennel, spinach, oiled wheat, celery, and parsley. Production trials have shown that when vegetables are exposed to high temperatures above 30°C and humidity.......