Recent surveys have found that there are different degrees of boron deficiency symptoms in cotton fields, and it is necessary to apply boron fertilizer according to local conditions. The deficiency of boron in cotton strains usually shows the following symptoms: ring infiltration zone appears .......
Feeding with a compound feed, Astragalus membranaceus, and loach grow rapidly, the efficiency of raising loach in the astragalus cultivation pond is high, and its high-yielding culture techniques are as follows:
1. Set up astragalus and loach culture ponds. For breeding ponds with yel.......
Business News Agency August 3 hearing as of July 31, the industry has long been popular in the "clinical application of antibiotics management approach" (hereinafter referred to as "measures") has not yet formally notified the implementatio.......
Since traditional blood cell counting plates have been unable to meet the needs of high-speed cell research, there are more and more devices for automatic cell counting on the market. Commonly divided into two categories: Automated vision-based counters and cell counters base.......
Garlic is a bulbous crop that requires large amount of fertilizer and is more tolerant to fat. It is suitable for cultivation in sandy loam soil rich in organic matter, loose and fertile soil surface, complete nutrition, and good water and fertilizer retention and ventilation. According to the.......
Garlic is a bulbous crop that requires large amount of fertilizer and is more tolerant to fat. It is suitable for cultivation in sandy loam soil rich in organic matter, loose and fertile soil surface, complete nutrition, and good water and fertilizer retention and ventilation. According to the.......
In the diets fed with fishes and adults, the proportion of rare earths can not only improve the feed utilization, but also promote its growth, enhance the resistance to disease, play a role in preventing and curing diseases, reduce deaths, and increase economic efficiency.
First, the .......
First, the .......
The cotton cultivation should be “seven-point and three-in-oneâ€, to achieve a complete seedling, strong seedling, and early-onset sowing of the cotton, to achieve simplified management, labor saving, and labor saving during fertility, and to realize high yield and harvest in the fa.......
The peak period of nutrient absorption of sweet pepper is in the result period. Absorption of nitrogen gradually increases with fertility; absorption of phosphorus increases with fertility, but the magnitude of absorption changes is smaller; absorption of potassium is less in the early stage o.......
Hot summer rain is very harmful to vegetables. After the rainstorm, the stems and leaves of vegetables often adhere to some soil, and the stomata on the leaves are blocked, which greatly affects the respiration, transpiration and photosynthesis of the leaves. Heavy rain can also cause vegetabl.......
High-temperature, low-humidity, and certain weather conditions that affect the growth and development of crops and reduce production are called dry hot winds. Since the beginning of summer this year, hot and dry winds have caused more damage to open leaf vegetables, which often causes dry leav.......
The larvae are better distinguished, yellow flies are more yellow, and black worms have a larger black area, which is very obvious.
The biological characteristics and feeding habits of Tenebrio molitor and Mealworm are similar, and they occur in different regions in nature. Tenebri.......