The symbol of potassium is K. Potassium and nitrogen are the two most important elements of all nutrient elements. Although potassium is not a constituent element of plant structure, it is one of the most important elements in plant physiological activity.
The physiological functions of p.......
The physiological functions of p.......
"A dozen": that is, playing the tip. Practical experience, when the soybeans are about to enter the flowering stage before the tip, can make the soybean plants dwarf, enhanced resistance. However, the specific operation must be mastered: "Don't fight late, do not hit fat, th.......
The appropriate level of nutrition is the guarantee for normal growth and development of gilts, and too high or too low nutrient levels can have adverse effects on the normal growth and development of gilts. High levels of nutrients can cause sows to become over-fat, affect ovulation, have abn.......
After the drainage equipment has been disabled, if it is poorly maintained and managed, it is easily damaged by rust and cannot be used. Therefore, after the drainage equipment is deactivated, it must be properly maintained and managed. ?
1. After the diesel engine is decommissioned, perf.......
1. After the diesel engine is decommissioned, perf.......
Prior to use, the new tractor should do the following five aspects of the work, which is an important measure to ensure the normal operation of the tractor and prolong its service life.
1. The tightening of the connecting parts of the tractors is factory-tested, but during the repeated tr.......
1. The tightening of the connecting parts of the tractors is factory-tested, but during the repeated tr.......
1 Causes of Angelica ahead of bolting
1.1 The seeds are too full, or they are nursed with seeds that have been bolted ahead of time (commonly known as gunpowder seeds, [flowers] seeds or fire seeds), and are easily bolted before transplanting. According to the experience of farmers, the s.......
1.1 The seeds are too full, or they are nursed with seeds that have been bolted ahead of time (commonly known as gunpowder seeds, [flowers] seeds or fire seeds), and are easily bolted before transplanting. According to the experience of farmers, the s.......
The main raw material edible fungus.
Equipment and equipment curtains, drying rooms, baking cages, far infrared electric ovens and so on.
Production method Drying method is mainly through the sun exposure, suitable for white fungus, black fungus, mushroom, Pleurotus, .......
In recent years, the main leaf pests on the Liquidambar formosana have been used as leaf pests. The rate of insect strains exceeds 30%, and the number of strains per plant is 20 to 50. They prefer the leaves and young shoots of sweet gum and the larvae are pulled up. The white-bright silks, wi.......
Selecting wheat before sowing can improve seed quality, eliminate mildew, increase germination rate, and achieve the goal of rapid emergence, emergence of seedlings, and emergence of strong seedlings. Wind election. The use of windmills or natural winds for seed selection can be used to select.......
In recent years, in order to speed up the development of mutton sheep production, most of the provinces and regions in China have introduced meat breeds of boer goats and conducted pure breeding and crossbreeding and improvement work, which has effectively promoted the raising of goats in Chin.......
Chafer is an important class of pests that injure apple trees. Its species are numerous, some eat flowers and tender shoots, some eat leaves, and some harm fruits, and their larvae damage the roots. Adults often migrate into orchards in groups during the seasons. Populations are in serious con.......
Cobia is also known as the sea clam, which belongs to the genus Cichlid, Coelidae, and Cobia. It is distributed in tropical waters such as the Atlantic Ocean, Indian Ocean and the Pacific Ocean (excluding the East Pacific Ocean). The individual can reach up to 1.5 meters and weigh 43 kg. The w.......