Planting Technology Lists
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Effective control of Plutella xylostella with bacterial insecticides
Plutella xylostella appears all the year round, and bacterial insecticides are skillfully used to control Plutella xylostella. The control effect of bacterial insecticides is better for Lepidoptera pests such as Plutella xylostella. There are many kinds of bacterial insecticides, and the first high-efficiency Bt in China is Bacillus thuringiensis. The commonly used dosage is 8000 international units / ml per mu.
2018-07-15 -
When is the best time to apply wheat herbicide
The first emergence peak and the largest emergence peak of weeds in wheat field appeared 20 days after wheat sowing, and some weeds may have a small emergence peak in March of the following year. Through a large number of experiments and observation, there are three key periods in the period of weed control in wheat field. 1. Wheat is used to control weeds in wheat field after sowing and before emergence.
2018-07-15 -
What herbicides are suitable for autumn radish field
Pre-sowing soil ban, you can choose 48% trifluralin EC 100-150 ml (dosage per mu, the same below), 48% trimethoprim EC 200 ml, 33% herbicide EC 100-150 ml, 50% Acetochlor EC 75-150 ml, spray 50 kg of water respectively. Fluralin and other easy photolysis, volatilization, reduce efficacy, spray after standing.
2018-07-15 -
What is the iron source in soilless cultivation?
The combination of organic fertilizer and inorganic fertilizer is organic fertilizer, which has complete nutrients and long-lasting fertilizer effect; chemical fertilizer is inorganic fertilizer, which has single nutrients, high content and quick effect. The fertilizer efficiency can be greatly improved by the combined application of organic fertilizer and inorganic fertilizer. Such as human and animal feces and ammonium chloride, calcium superphosphate, chlorination.
2018-07-15 -
Attention should be paid to the methods of identifying fake fertilizers and pesticides
In view of the fact that the quality of fertilizers and pesticides are intermingled on the agricultural materials market, and incidents of harming farmers occur from time to time, in order to improve the ability of the broad masses of farmers to identify fake and shoddy agricultural materials and ensure the smooth progress of spring ploughing production, a few days ago, the city's agricultural department uses to carry out the publicity campaign of "rest assured that agricultural materials enter the village and enter the household".
2018-07-15 -
Five points for attention in applying trace element fertilizer
The production of green food also requires restrictions on the use of fertilizers. So what are the fertilizers allowed to be used? one。 Farm fertilizer. Refers to fertilizer that contains a large amount of biological matter, animal and plant residues, excreta, biological waste and other substances. 1. Compost. With all kinds of straw, fallen leaves, human and animal faeces.
2018-07-15 -
What is "fertilizer synergist"?
In recent years, the planting area of traditional Chinese medicine in China has expanded year by year, and the benefit of farmers' planting income is obvious. Traditional Chinese medicine is a special crop. If chemical fertilizer is not used properly in cultivation, it is easy to burn sprouts and seedlings, resulting in unnecessary economic losses. Now farmers in Xichong County, Sichuan Province are in the production practice of planting traditional Chinese medicine in recent years.
2018-07-15 -
There are many harm in applying unripe organic fertilizer to fruit trees.
Organic fertilizer, also known as farm fertilizer, is commonly used in fruit production, such as compost, ring manure, stable manure, green manure, cake fertilizer, river mud, poultry manure, human feces and urine, soil manure and so on. Most organic fertilizers need to be decomposed by microorganisms before they can be absorbed by the plant roots, so they are also called "delayed fertilizers" and can be used as base fertilizers.
2018-07-15 -
Efficient and rational application of organic fertilizer
Traditional agriculture advocates that vegetables should apply a large amount of organic fertilizer, and some farmers even think that the more organic fertilizer, the better. However, the results of many experiments in various places in recent years show that the appropriate application of organic fertilizer can effectively control the nitrate content of vegetables, and the blind application of organic fertilizer will cause the nitrate content of vegetables to exceed the standard. Vegetable nitrate.
2018-07-15 -
Some suggestions on the selection of fertilizers for growing wheat
When it is time for autumn harvest and autumn seed season, it is time for farmers to buy fertilizers in large quantities, but how to choose and buy them in the face of all kinds of fertilizers on the market? Some peasant friends are worried, not only want to buy good quality, but also afraid to buy expensive, want to buy cheap, but also afraid to buy fake. As a result, some people still use what they used last year, and some people see.
2018-07-15