Lobster has strong adaptability, rapid growth, delicious meat, rich nutrition, and strong market demand. It is favored by farmers and consumers. In production practice, most of the crayfish crayfish are mainly polyculture, such as adult fish ponds, fingerling ponds, and crab and shrimp cul.......

Studies have found that feeding hens with iodine-enriched feeds not only improves the hatching rate of the eggs, but also makes the chicks healthier and faster. Practice has shown that adding 4% iodine to the hen's feed increases the hatching rate of the hatching eggs by 4%. The surviv.......

Lubricating oil is commonly referred to as oil, and the standard for adding lubricating oil to the combine harvester is to make the surface of the oil in the engine bottom case be located between the upper and lower scales of the oil scale, and it is better to add high quality lubricating .......

1. When the average outdoor temperature is higher than 18°C, it can be produced in open field, but it is necessary to properly shade, avoid direct light, and spray more water to maintain proper temperature; during the high temperature season in summer, shade and spray water cooling meas.......

First, sowing nursery. Celery can be planted and transplanted, but also live, the former mostly. Our region is dominated by autumn sowing. The sowing date is from June to August. Seedlings use shade nets to cover shade and cool down. Winter sowing (October) and spring sowing (February-Febr.......

In the rice field, chloroquine acid and cyhalofop-butyl were sprayed for 5 days. The grass had turned yellow. The field had 2 days of water supply. Can it be topdressed with urea? Will it affect the weeding effect? Will weeds absorb fertilizer and will not survive?

Normal fertiliza.......