Planting Technology Lists
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Application method of fertilizer in high temperature and dry weather
It is not suitable to apply a large amount of uncooked cake fertilizer. The carbon and nitrogen of cake fertilizer is relatively small, decompose quickly, and it is easy to produce high temperature. The application of immature cake fertilizer will increase the local temperature, cause root burning and affect seed germination, and will also attract underground pests. Cake fertilizer should be crushed and soaked in human feces and urine until it is applied after fever. Compound fertilizer can not be used alone.
2018-07-16 -
What to pay attention to when applying fertilizer
The solution soaked in onion skin not only contains a substance that can kill pathogenic microorganisms in the soil, but also contains a variety of trace elements, which can be used as fertilizer for crops. 1. Indoor flower cultivation, such as using onion skin soaking solution as fertilizer, will make the flowers grow luxuriantly and the flowers more colorful. 2, yellow cucumber seedlings especially suitable for onion...
2018-07-16 -
Characteristics and functions of common fertilizers
In sandy soil, all phosphate fertilizer should be used as base fertilizer, half of nitrogen fertilizer should be used as base fertilizer, and the other half should be topdressing by stages in the process of growth and development, and then the amount of water should not be too large to avoid fertilizer leakage after flood irrigation. In clayey soil, under the condition of water irrigation, phosphate fertilizer and nitrogen fertilizer of 2 to 3 can be used as base fertilizer, nitrogen fertilizer of 1 to 3 can be applied by stages, and none.
2018-07-16 -
Homework must be done to improve the insecticidal effect.
Zaojiao leaves take 1.5 kg of fresh leaves to be mashed, add 1.5 kg of water to filter to remove dregs, and take its juice. Spraying 4 kg of water per kilogram of juice can effectively control cotton aphids and red spiders. Melia azedarach leaves take 0.5 kg of fresh leaves to be mashed, add 3 kg of water, soak for half a day to filter out the residue. Liquid spray can control cotton aphid, red spider and cabbage green.
2018-07-16 -
Why the more pesticides are used, the more ineffective they become.
Chlorpyrifos, an efficient and broad-spectrum organophosphorus insecticide, has the effects of contact, stomach toxicity and fumigation on pests, especially on the control of brown planthopper. The relevant application technologies are introduced as follows: first, product characteristics: 1. Chlorpyrifos domestic currently has EC, granules, microemulsions and other dosage forms. Among them.
2018-07-16 -
Northern spring indoor planting flowers and plants conservation knowledge
March in the north, warm and cold, like indoor planting citizens began to busy, carefully cultivate beautiful flowers and plants on the balcony
2018-07-16 -
Rational application of water-soluble fertilizer
Plants need to absorb all kinds of nutrients in order to grow and develop. However, it is the nutrient factor with the smallest relative content in the soil that determines the crop yield, and the yield changes relatively with the increase or decrease of this factor to a certain extent. It is usually explained by water buckets. The barrel represents different nutrient contents and factors.
2018-07-16 -
Which fertilizers should not be flushed?
Flushing fertilization is widely used in greenhouse and open field vegetables, mainly in the peak period of vegetable growth. However, not all fertilizers can be flushed, only water-soluble fertilizers can be flushed with water. Nitrogen fertilizers are commonly used in urea, ammonia, ammonium sulfate and ammonium nitrate, potassium chloride and potassium sulfate are commonly used in potash fertilizer, and potassium nitrate can also be used.
2018-07-16 -
Watch out for fertilizer packaging and beware of the trap of bullying farmers
Organic fertilizer drying and preparation: drying human and animal manure will cause maggots to reproduce and lose nitrogen nutrients of fertilizer. The correct way is to compost organic manure into base fertilizer, such as 4000 kg of human manure or chicken manure, 100kg of calcium magnesium phosphate fertilizer and 400kg of crushed wheat straw in the sunny place in late July.
2018-07-16 -
The difference between Plant growth regulator and growth Agent
In the process of pollution-free tea production, how to correctly select pollution-free plant growth regulators? Promoting the use of Bud and Leaf growth regulators Brassinolide, BR-120 and Tianfengsu are widely used in pollution-free tea production in China. Tea trees apply this kind of plant growth regulator.
2018-07-16