First, one-sided thinking that as long as it is grafted seedlings. It is not possible to distinguish between early walnuts and late walnuts, and different cultivation modes and management measures cannot be adopted according to the different ecological characteristics of the varieties. It is often-----
Pig manure and production of fertilizer technology because the pig manure itself is not high nutritional value, so the pig manure is not recommended for feeding pigs after fermentation, but it is an excellent feed and fertilizer for fish feed, many fish directly like to eat Fertilized pig manure is-----
Tomatoes currently sold on the market have many "hollow" tastes that are bad in taste, directly affecting consumers' desires for purchase and the economic benefits of vegetable farmers. Avoiding this phenomenon is very simple. The direct cause of “hollow fruit†is due to t-----
1. The pump does not run. If the mechanical part is stuck, the assembly gap should be adjusted to make it flexible; if the circuit fails, the circuit should be repaired. 2. The pump does not discharge water. If the suction pipe is leaky, the joints in the pipe should be leaked and the joints shou-----
I. Overview of small dryers The small oven produced by our factory is mainly used for drying, heating and heat treatment of product test articles in industrial and agricultural production, scientific research, medical and health, laboratory and other units. Note: This-----
Meat sheep breeding management measures The grazing method is hot in summer, and the sheep love to gather and eat enough. Morning grazing should be early as early as possible, generally only when the dew can dry out. From 11 noon to 3 pm, the sheep are allowed to rest in the lap and feed on the g-----
Water ring vacuum pump working principle First, use and scope of use SK series water ring vacuum pumps and compressors are used to pump or press gas and other non-corrosive, water-insoluble, solid particles-free gases to create a vacuum or pressure in a closed container -----