The emerging high-tech fruit and vegetable cultivation technology requires the absorption of 12.0 kg of nitrogen(nursery trays for plants), 4.0 kg of phosphorus pentoxide and 12.0 kg of potassium oxide for every 100 kg of lint produced. Reasonable application of high-quality chemical fertilizers will not cause pollution(14 gallon nursery pots wholesale). Only blind excessive application of nitrogen fertilizers will cause environmental pollution and product quality decline.
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In determining the amount of fertilization, factors such as climate, soil, and fertility must also be considered(teku plastic pots). Application of boron fertilizer rape "flowers are not solid" phenomenon is caused by boron deficiency, hybrid double-low rape requires large amount of boron, sensitive to boron element should pay more attention to the application of boron fertilizer(15 cell propagation trays wholesale). Spray quick-acting boron fertilizer at the sedge and early flowering periods.(high quality plastic flower pot wholesale price poland)
Seaweed fertilizer contains a lot of highly active ingredients, which is easily absorbed by crops(5 gallon containers for sale). After application, the yield and quality of crops are significantly improved, especially when applied to vegetables in greenhouses, the effect of increasing yield is more significant. Green food production standards require that the abuse of chemical fertilizers is strictly prohibited in the planting industry(21 cell propagation trays wholesale). It is not absolutely that chemical fertilizers are not used.
(high quality plastic flower pot wholesale price poland)Of course, vegetables produced by methods such as soilless substrate cultivation and hydroponic culture of nutrients are considered safe vegetables(5 inch plastic plant pots), but it is not known that most of the nutrients required for their growth are prepared from high-quality chemical fertilizers or industrial-grade chemical raw materials through scientific formulation of(2 gallon pots wholesale). Common coating materials are mainly divided into organic and inorganic.
The inorganic compounds used as coating materials include sulfur, metal oxides and metal salts, and inorganic chemical fertilizers(bulk mini succulent pots). If human and animal manure and garbage are applied, their nutrients are slightly higher than the former, but they still cannot meet the high-yield needs of modern agriculture(plastic bonsai pots wholesale). Now, most of the organic fertilizers used by farmers are commercial fertilizers, which are generally of low quality. Standard for organic matter content.
On the contrary, the application of organic fertilizers cannot be generalized(rooting tray). The products produced by the application of organic fertilizers are all non-polluting green foods. They are only used as straws for organic fertilizers, and the nutrients are not enough. Generally, two methods of root spraying and foliar spraying are used(2.5 inch square plastic pots). The amount of root spraying biogas slurry depends on the variety of vegetables, and the general dosage is 500-3000 kg per mu.
Other fertilizers need to be added(small plant pots bulk). The important function of organic fertilizer is to improve the physical properties of the soil, prevent soil compaction, and increase the utilization rate of chemical fertilizers. However, the organic nutrients contained in the soil need to be converted into ammonium(injection molded nursery pots), nitrate nitrogen and phosphate ion forms by biochemical decomposition (mineralization process) in the soil before they can be used by plants.(high quality plastic flower pot wholesale price poland)
There are many types of organic fertilizers, and the quality management is difficult(5 inch nursery pots). Such as the growth of the top buds, root hairs stagnation, atrophy and death, new leaves adhesion, the new leaves are often burnt edges, incomplete; the top of the fruit is easy to sag, dark brown and necrosis. High-quality organic fertilizer is the basis of high-quality and high-yield crops(2 gallon nursery pots wholesale). Some are even mixed with urban sludge and domestic waste, which is simply not achieved.