What kind of fertilizer is suitable for orange tree planting ? Orange is a favorite fruit, so what are the precautions for fertilization of orange trees? For orange trees, the most suitable period for autumn application of base fertilizer is from the end of August to the end of September, early application of base fertilizer, digging and fertilizing The root system that is cut off during the ditch can absorb nutrients in time when the soil temperature rises in early spring, which is conducive to early spring growth. Organic fertilizer is used as base fertilizer, and there are ditch application, radial ditch application or spreading. Ditch can improve the soil at the same time.
How to apply fertilization to orange tree planting? Orange tree results should be supplemented with nutrients consumed by flowering in order to promote the development of spring shoots and green shoots. However, it should be noted that during this period, orange is sensitive to nitrogen, nitrogen deficiency is insufficient, and it is easy to cause fruit drop. Too much is easy to promote a large number of late spring shoots and summer shoots, but it causes a lot of fruit drop. Pay more attention to the combination of phosphorus and potassium fertilizers, pay close attention to the fertilizer requirements at all stages.
Spring: 0.1 kg of chemical fertilizer urea is applied to the tree tray, and it is applied 2 to 3 times;
Summer and autumn: water and fertilizer application, concentration 1% to 1.5%, each application amount is not less than 50 kg, the number of uses 6 to 8 times;
Winter: It is applied in strips or annular grooves. The depth of the ditch is 50-60 cm. The coarse organic matter of weeds (or straw, reed, etc.) is applied to the bottom of the ditch 20-35 kg. The upper layer is applied with decomposed organic cake fertilizer (or bio-organic fertilizer). 3 to 4 kg, phosphate fertilizer 0.5 to 1 kg (can be used every other year).
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