Seed bed matrix Standard vegetable, flower and seedling production, and nursery substrate are key factors. The function of the nursery substrate should be similar to that of the soil so that the plant can better adapt to the environment and grow rapidly. When choosi.......
The organic wastes made of medium materials should meet certain requirements: First, the total nutrients after fermentation is generally below 4%. N+P2O5+K2O dry basis, if the total nutrients exceed 4%, it can be included in the organic fertilizer category. Secondly.......
1. In breeding seedlings, potted flowers, and some annual flowers, precious flowers and green seedlings, all those who can enter the shed should do a good job of entering the shed for insulation work, and timely cover the shed film to prevent the intrusion of cold air.
2, in view o.......
As a raw material for food processing, scallops have unique flavors. Compared with other fish and shellfish, scallops contain a large amount of glycine and contain alanine, glutamic acid, valine, etc., in particular, there are many amino acids related to taste. At present, the main process.......
Several traits of straw-fermented feed Crop stalks are a large part of the resources and it is very meaningful if they are used to ferment and become feed. It mainly has the following meanings. (1) A large part of the pollution is reduced for burning, causing enviro.......
Release date: 2008-02-18
Scientists develop knee generators Scientists in the United States and Canada have developed a power plant that is fix.......
At the moment of the best carrot growing period, Shandong has a large area of ​​carrots, and the carrots produced are of good quality. Many regions can meet export standards, and vegetable farmers have also increased their income. In this issue, the invitation for the operati.......
“Non-polluted vegetables†refers to a good ecological environment. After being tested by the statutory authorities, it does not contain toxic substances or high residual pesticides; it has low toxicity and low residues, and contains pesticides, nitrates, nitrites, heavy metals,.......
The combined use of pesticides and chemical fertilizers, and the efficacy of fertilizers must all be brought into play. They can neither affect the physical and chemical properties of the fertilizers nor produce harmful effects on the crops.
In general, the direct use of solid pest.......