Spray powder pesticide essentials

Greenhouse: Using the horizontal spray method of retreat, that is, from the inner end of the greenhouse, the operator stands on the aisle, faces the north wall of the greenhouse, faces the south side, sprays on the air, and retreats until the door is closed and the door is closed. If there.......

Non-ferrous metals prices are expected to increase

Domestic and foreign prices: Last week, the Greek debt crisis eased, the US dollar weakened and strong PMI data from various countries introduced incentives. LME base metals rose across the board, with a 4-8% increase. Among them, LME zinc is rumored to be closed by Red Dog, the world's .......