The so-called lazy crab refers to long-term dwellings in caves, sand, and crevices that ar…
Iron is one of the main components of piglets composed of hemoglobin. If iron is missing, …
The new management measures do not stipulate that the res…
The Jinan City Health Supervision Office has recently conduc…
The overall development trend of ultrafine grinding technology: development of high production …
First, a reasonable selection of main vines small fan-shaped wine viticulture, selected to…
Ao tilapia is a descendant of the hybrid of Oreochromis niloticus and Nile tilapia. It is one …
The dry powder needle is to quickly freeze the sterile solution of the medicine to about 40 deg…
1. Before the chicken is forced to moult, determine the appropriate time for stopping the …
Plant hormones are also called plant growth regulators. They are neither pesticides nor fertil…