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Fertiliser "basics" for autumn fertiliser application!
Time：
21 Sep,2023
1, what is called fertiliser?
Where applied to the soil or sprinkled on the ground part of the plant, can directly or indirectly supply plant nutrients, increase plant yield, improve product quality or can improve soil properties, fertilization of the material, are called fertilizers. Direct supply of essential plant nutrients of those fertilisers known as direct fertiliser, such as nitrogen fertiliser, phosphate fertiliser, potash, trace elements and composite fertilisers belong to this category. The other is mainly to improve the physical properties of the soil, chemical properties and biological properties, thereby improving plant growth conditions of the fertiliser is called indirect fertilizer, such as lime, gypsum and bacterial fertilizers belong to this category.
2, what kinds of fertiliser?
① by chemical composition: organic fertilizers, inorganic fertilizers, organic and inorganic fertilizers;
② according to the nutrients: single fertiliser, compound / combined fertiliser;
③ by the way the effect of fertiliser: fast-acting fertilizer, slow-acting fertilizer;
④ according to the physical condition of the fertiliser: solid fertilizer, liquid fertilizer, gas fertilizer;
⑤ according to the chemical properties of fertiliser: alkaline fertilizer, acidic fertilizer, neutral fertilizer.
3, what is chemical fertiliser?
In a narrow sense, chemical fertilizers are fertilizers produced by chemical methods; in a broad sense, chemical fertilizers refer to all industrially produced inorganic fertilizers and slow-acting fertilizers, chemical fertilizers are nitrogen, phosphorus, potassium, compound fertilizers in general.
4, what is called organic fertiliser?
Organic fertiliser is the use of rural areas from a variety of sources such as animal and plant residues or human and animal excreta and other organic materials, on-site accumulation system or direct ploughing and burial of a class of natural fertilizers, customarily also known as farmyard manure.
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