1. Leafy vegetables: refers to vegetables that use the tender leaves and petioles of plants as edible parts, mainly cabbage, green cabbage, spinach, amaranth, etc. Features: The planting density is relatively large, most of which are shallow-rooted vegetab---
Model NO.: LF6057A Theory: U---
Model NO.: L18 Origin: Guangzhou, China HS Code: 8543709990 ---
Model NO.: F810 Medical Devices Reg./Record No.: 201507809415 Pulse Width: 1-9.9ms ---
Affected by the continuous rainy weather in the previous period, the planting progress of wheat this year is slow, and the area of ​​late-sown wheat is large. Some fields are rushed to grab the rain cover, the phenomenon of rotten cultivating is serious, the quality of sowing is poor,---
Due to many years of work in agricultural machinery, for the start of the diesel engine in winter, I would like to give a little insight. Some practices can easily damage the diesel engine. Here, we remind everyone that there are “six kinds of methods†for starting diesel engines at low---
Spring pruning is also called re-pruning before flowers, which is a supplement to autumn and winter pruning. The time of spring pruning is from the sap flow to the blooming period. Only the medium and small branches are thinned, intercepted, and retained, ---