First, disinfection before storage
After threshing, the hybrid corn seeds should be clean and windy, prevent the hybrid corn from mildew during storage, and use 50% pungent sulfuric acid or 80% dichlorvos 1500 times to spray the inside and outside of the empty warehouse and surroun.......
Timely fertilization of corn from jointing to booting is the period with the most need for fertilizer, especially the big bell-mouth period is the key period for determining the size of the ear and the number of grains. This period should be re-application of nitrogen fertilizer, urea can .......
Release date: 2007-08-13
Application of ultrasound in carotid endarterectomy is one of the main causes of disability and death in middle-aged a.......
1. The plastic film must be stored i.......
Yesterday, it was learned from the Zhongxin Pharmaceutical Group of this city that the Shuxinxin Pills of Tianjin No. 6 Chinese Medicine Factory, which was listed as a major scientific and te.......
1. The pump should be installed on iron frame or wood that is larger than 10mm of motor feet. The motor should be connected to a reliable ground wire to prevent electric shock accidents.
2. Before starting the pump, check whether the motor is damp, the circuit is intact.......
Beef calf breeds have the following drawbacks:
First, it does not meet the biological characteristics of beef cattle. Long-term deterrence is not conducive to the growth and development of fattening cattle, especially young cattle, and is not conducive to the deposition of protein .......
Camellia is one of the famous flowers in China. It has beautiful and graceful trees, evergreen seasons, graceful flowers, beautiful colors, and a long flowering period. It has been loved by people for thousands of years. Camellia's habits, the requirements of the light, is a half-yin s.......
In summer, the weather is hot, the air humidity is high, the climate is changeable, and pest and disease activities are frequent. In order to make the potted plants safe and over-summer, the following aspects of management should be strengthened.
Masking sunscreen: In summer, the l.......