The season of autumn harvest and planting is also the peak season for the use of chemical fertilizers, so how farmers friends should rationally use compound fertilizers has become particularly important. Do not make the following five mistakes: Only apply compound fertilizer, not organic fertilizer Some people think that compound fertilizer is more powerful than organic fertilizer, so only compound fertilizer or urea is applied instead of organic fertilizer. If basal fertilizer is applied in autumn in successive years, it will cause soil compaction, poor ventilation, and high nitrogen content in the soil, which will inhibit the absorption of other elements by the root system. When applying base fertilizer in autumn, use organic fertilizer as the main fertilizer, supplemented by compound fertilizer. The combination of organic and inorganic fertilizers, quick and slow-acting complement each other, can not only change the soil permeability, but also meet the nutritional needs of fruit trees, and improve the fertilizer Utilization rate. In short, organic fertilizers are the mainstay and compound fertilizers are supplemented to continuously improve soil organic matter. Sprinkle fertilizer directly in the dug trench During production, it was discovered that many people sprinkled fertilizer directly on the bottom of the dug fertilization ditch. The consequence was that the fertilization was too concentrated and it was easy to burn the roots. The correct way is to sprinkle all kinds of fertilizers on the dug out virtual soil, then stir them evenly, and then fill them in the ditch. With this method, all the roots in the fertilization ditch can eat the fertilizer, and you are not afraid of burning the roots. The surrounding soil can basically be improved. One size fits all fertilization The weak tree is pushed to the end, and the prosperous tree is controlled to the end. Some people apply fertilizers across the board, and apply as much as possible to a tree. The consequence is that the weaker tree will not have enough to eat, but if it is still weak, the prosperous tree will be more prosperous. The correct approach is: in every orchard, there are prosperous trees, weak trees, and moderate trees. For moderate trees, you can dig a trench on each side of a row of trees. It means that a tree is fertilized on two sides without digging trenches or fertilizing between the trees. For weak trees, not only fertilize between the rows, but also dig the middle of the two trees Fertilization in furrows; dig a furrow between the rows for the Wangshu, and only apply organic fertilizers, not compound fertilizers. Incorrect fertilization site Some people dug the fertilization ditch in the canopy, while others only dig a ditch between the two rows of trees. The fertilization ditch is too far away from the tops of the two rows of trees, which is also wrong. The correct fertilization position is: vertically below the crown of the tree crown, because this part absorbs the most roots. The closer to the main pole, the thicker the roots and no absorption function. It is too far away from the crown of the tree, no roots are absorbed, and fertilization is not strong enough. Fixed site fertilization Most people dig trenches and fertilize vertically under the canopy between the rows every year, but the roots in the middle and other parts of the two trees cannot eat fat, and are in a state of "hunger" year after year. Only half of the roots of a tree absorb nutrients each year. . Correct method: you can use strip fertilization method, that is, dig trenches between rows this year and dig trenches between plants next year; you can also use radial fertilization method, that is, a tree with the main pole as the center outward, dig 4-6 Ditch, shallow inside and deep outside. With the above fertilization methods, roots in different places can eat fertilizer. Disclaimer: Some articles on this website are transferred from the Internet. If the legal rights of a third party are involved, please inform this website for processing. phone
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