air damage Learn more about air damage
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The latest common types of air damage in shed and their prevention methods
In winter and spring, because it is low, the air permeability in the greenhouse is poor, and the air permeability in the greenhouse is poor, which results in the continuous accumulation of harmful gases in the greenhouse, resulting in air damage to the crops in the shed, light leaves yellowing, dry tip, heavy, the whole plant dies. Such a common Qi
2020-11-10 The latest shed common air damage species and prevention methods winter and spring -
Common types and prevention methods of air damage in shed
Common types and prevention methods of air damage in shed
2020-02-15 -
Common air damage of flowers in greenhouse and its prevention and control
Common air damage of flowers in greenhouse and its prevention and control
2019-08-31 -
How to water flowers in different seasons, air damage and prevention of flowers in greenhouse
Air damage and Prevention of Flowers in greenhouse
2019-06-23 -
Prevention and Control measures of Fertilizer damage and High temperature damage of vegetables in greenhouse
In the vegetable greenhouse planting technology, fertilizer damage and high temperature damage are important factors affecting the yield, quality and benefit of vegetables, the following are the necessary control methods. First, how to prevent and control fertilizer damage. 1. Deep application of fertilizer. Chemical fertilizer should be applied deeply or dissolved in water.
2020-11-09 Greenhouse vegetables planting fertilizer damage and high temperature hazard in -
What measures can reduce the harm of high temperature to flowers?
What measures can reduce the harm of high temperature to flowers?
2020-12-15 -
The harm to vegetables is very serious how to prevent air damage when growing vegetables in greenhouse
The harm to vegetables is very serious how to prevent air damage when growing vegetables in greenhouse
2018-10-29 -
Taiwan Sugar UAV sprayed 2Quin4murD herbicide, neighboring pineapple damaged hormone chaos, experts: high concentration of spray in the air needs strict control
Taiwan Sugar UAV sprayed 2Quin4murD herbicide, neighboring pineapple damaged hormone chaos, experts: high concentration of spray in the air needs strict control
2019-12-20 -
What damage can high and low temperatures do to flowers?
What damage can high and low temperatures do to flowers?
2020-05-08 -
Analysis on the causes of pollution in Ganoderma lucidum seed production
1. Damage and pollution (1) broken container, sub-packing, sterilization, inoculation; mechanical damage caused by failure to handle or put lightly in the process of transportation and cultivation. (2) sudden heating, pressure rise or sudden cooling during gas damage and sterilization; exhaust speed is too fast, so that the bag gas is damaged. two。 Cotton plug contamination (1) the mouth of the test tube contaminated with cotton plug is stained with the culture medium or the mouth of the bottle (bag) is not clean or the medium is in contact with the cotton plug. (2) improper stacking of cotton plugs when sterilized by moisture, excessive addition of water, unreasonable masonry of sterilized stoves or cultivation
2019-01-16 -
How long does paraquat fail in the air?
Paraquat is a rapid herbicide that can be quickly absorbed by plants and withered, so how long does paraquat fail in the air? What is paraquat? the chemical name of paraquat is 1-1-dimethyl-4-bipyridine cationic salt, which is a kind of rapid extinction.
2020-11-08 Paraquat paraquat in air how long invalidation yes -
Effect of Wet damage on the growth and Development of Tea Plant
Tea trees require moist air conditions, but they are not resistant to excessive soil moisture. Excessive soil moisture and even stagnant water on the ground hindered the respiration of roots and reduced the ability of absorbing water and fertilizer, which seriously affected the growth of bud leaves and reduced the yield and quality of fresh leaves. When the root is asphyxiated seriously, the anaerobic microorganisms are active, and organic acids are produced to poison the tea root system, resulting in peeling, necrosis and decay. The wet damage of tea plant is shown as follows: few absorbing roots, short lateral roots, shallow root layer, and some lateral roots extend horizontally or even upward instead of downward. Suffer severely
2019-01-16 -
How to avoid Frost injury by planting Plum trees
Frost and frost injury refers to the phenomenon that the soil and plant surface temperature of fruit trees drop below 0oC or 0oC for a short time or encounter Frosts Descent during the growing period, resulting in damage to the young part of fruit trees. The average annual frost damage area in China is 340000 km2, with the heaviest year reaching 7%.
2020-11-08 Species plums trees how to avoid frost injury frost injury and frost injury -
Slow seedling of large rose (bare root)
There are more bare root seedlings in this season, compared with toothpick seedlings, many flower friends do not know how to deal with large seedlings. This paper mainly talks about the treatment of bare root seedlings, there are two kinds of bare root seedlings: soil mass and fully naked seedlings. As long as the bare root seedlings are well controlled, the survival rate is still very high.
2018-12-26 -
What if the leaves of the tree turn yellow and wither?
The branches and leaves of Artemisia mandshurica are verdant, which is a relatively rare underground tuber foliage plant, which has high ornamental value. At the same time, it is placed indoors as a potted plant, which can also play a good role in purifying indoor air. However, in the process of maintenance and management, sometimes it is inevitable that the leaves will turn yellow and wither.
2019-05-30 -
The causes and Countermeasures of the scorched Tip of Orchid leaves how to deal with the yellowing of Orchid leaves
The causes and Countermeasures of the scorched Tip of Orchid leaves how to deal with the yellowing of Orchid leaves
2019-02-25 -
Causes and remedial measures of Drug damage to Wheat
Causes and remedial measures of Drug damage to Wheat
2019-05-20 -
Easy to maintain indoors hanging basin ivy did not expect so many uses
Ivy is known as a beautiful and annoying plant, it is particularly easy to grow, has a strong ability to purify the air, suitable for growing in a variety of environments, there are many people want to maintain some ivy on the wall or tree, generally...
2018-05-28 -
Why the leaves of Orchidaceae plants turn yellow
Orchidaceae plants because of its high ornamental value, white and elegant flowers, elegant green branches, put indoors can increase more vitality for the home, but also beautify the environment. The leaves of orchids turn yellow. in order to solve this problem, we need to find out the cause of the yellowing of orchids, not blindly.
2018-07-16 -
The method of killing and taking skin of Fox
As a commercial application fox, its fur should be executed and peeled when it is mature, and the raw skin should be processed. The fox is too big to be killed by the method of breaking the cervical vertebra of the mink. Several practical methods for killing foxes have been found in fox farms, including drug death, cardiac air injection, electric shock and so on. No matter what method is used, the principle of simple and practical operation, fast execution speed, no damage to the fur and no pollution of the coat is required. 1. Drug lethal method: the drug used was succinylcholine chloride
2019-01-15