First, look at the fertilization of vegetables due to the type. Although crops require 16 nutrients, different crops require different amounts of various nutrients. Leafy vegetables mainly supply leaves of vegetative bodies. Therefore, the effect of applying nitrogen fertilizer is obvious, the leaves are green and the color is bright. In addition to nitrogen fertilizers for fruits and vegetables and melons, phosphorus and potassium fertilizers need more. It should be noted that a large amount of organic fertilizer is applied. Legumes can fix nitrogen through root nodules, and should apply less nitrogen fertilizer.
It is suitable for the growth period. The crops need different amounts of various nutrients in different growth stages, and the amount of fertilizer applied should also be different. For example, in fruits and vegetables, reproductive growth has begun at the same time as vegetative growth, and there is a great relationship with fertilization in the period when flower buds begin to differentiate, flowering results, and fruit enlargement. Vegetable farmers should pay special attention to the problem of heavy fertilizer application during fruit expansion. For cabbages and other cabbage-like vegetables, in addition to paying attention to organic fertilizer as the base fertilizer, seedlings should be applied to promote seedlings to strengthen the seedlings. The use of heavy fertilizers to promote the expansion and firming of the ball.
Second, the main climatic factors affecting fertilization by daytime fertilization are temperature, rainfall and light. When the temperature is high, the crop grows vigorously, requires a lot of fertilizer, and is beneficial to the decomposition and transformation of the fertilizer. Therefore, the fertilizer can be applied more in the season of suitable temperature, and less or not in the low temperature season. Soil moisture conditions have a great impact on fertilization. When there is suitable water in the soil, it is beneficial to microbial activity and material decomposition; fertilization is not effective under drought conditions. When there is too much rainfall, not only will nutrient leaching, but also denitrification will be reduced to nitrite nitrogen due to poor soil ventilation, resulting in nitrous acid accumulation. Adequate light is conducive to photosynthesis and inorganic salt nutrition, and can also increase temperature and promote plant growth. In this case, more fertilizer is required. Therefore, when the water is suitable and the light is good, the fertilization effect is good.
Third, see fertilizer fertilization in the production of vegetables, there are many types of fertilizers, each with its own characteristics. Organic fertilizers should be often combined with inorganic fertilizers to use organic fertilizers as base fertilizers or top dressings, while inorganic fertilizers are mostly used as top dressings. For some volatile fertilizers that need to avoid denitrification, such as ammonium sulfate, ammonium nitrate and other nitrogen fertilizers, it is best to apply deep. Phosphorus and potassium fertilizers are slow to move down in the soil, so that they are evenly mixed into the soil layer. For the top dressing of the roots, chemical fertilizers with pure quality and difficult to burn the leaves should be used. Leaf vegetables should avoid spraying nitrogen fertilizer to prevent nitrite accumulation.
4. Different types of vegetables are fertilized according to different cultivation methods. The difference in fertilization amount is very different. For example, if the base fertilizer of the open field is applied with an organic fertilizer of 2,000 kg to 2,500 kg per mu, it is necessary to apply 4000 kg to 5000 kg when the mulch is covered with mulch and covered with plastic film. Summer sowing cucumbers have been fertilized by the former sorghum, applying only 2,500 kg to 3,000 kg of organic fertilizer per mu, and greenhouse cultivation of cucumbers in greenhouses has a maximum of 13,760 kg of high-quality organic fertilizer per mu.
Philizon enjoys a high reputation in Grow Light and Aquarium Led Light fields throughout Europe and America, Philizon also insists on taking high technology to design the newest&best Square Grow Light and aquariumlight constantly as the market request. Our R&D team with more than 10 people has rich experience in appearance design, electronic structure,heat dissipation simulation analysis, optical lens design, lightcontrol system etc. Most of our hydroponics full spectrum led grow lighting and marine coral reef ledaquarium lighting are private modules,we have 10 more design patent and utility model patent till now.
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What is Full spectrum led chip ?
It is the newest trend for indoor plants. Advanced LED Grow Lights chip,not provide sigle color ,provide broad spectrum 400nm~840nm,simialr with sun light ,but most is red and blue,it is best for plant grow.This is a revolutionary step for Grow light which have previously been unable to act as the sole light source for the indoor garden.Suitable for all stages of plant growth.
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Professional: we are professional LED Grow Lights and LED Aquarium Light manufactuer here in China, you will get Professional and High quality LED Grow Lights and LED aquarium lighting from us and get good guarantee.
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