What are the precautions for the fertilization of passion fruit? Passion fruit is a vine crop, which is rough and easy to grow, and the amount of nutrients required by the tree is also very large. Although passion fruit is classified as a fruit tree, it grows like vegetables and melons. It can grow and climb quickly, and grows, blooms, and ends at the same time. It is completely different from the growth of ordinary fruit trees. Therefore, the fertilization management of passion fruit is not the same as other fruit trees. So how do you plant a passion fruit for rational fertilization management? After 10 to 15 days after the planting of passion fruit, the root system begins to grow. The first dilute urea or rare human excrement can be applied. After every 45 days, each time the perfusate is excreted with 5 kg or 0.05-0.1 compound fertilizer. kilogram. Passion fruit requires a large amount of N and K, and P, Ca, and Mg require less. Taiwan recommends that the amount of fertilizer per plant per year is N 250-300 grams, P2O5 100-150 grams, and K2O 600-800 grams. It is emphasized that do not apply too much nitrogen fertilizer after the initial growth stage, otherwise it will cause falling flowers and reduce production. Sri Lanka is applied with urea, superphosphate and potassium sulfate mixed fertilizer. In the first year, 500 grams per hole, applied in 2 times. Leaf analysis was used as a fertilization indicator (per 100 grams of dry matter): N 3.47 grams, P 0.21 grams, K 2.36 grams, Ca l.49 grams, and Mg 0.22 grams. Below this indicator, treatment was lacking. Appropriate fertilization amount is applied in three times, the first time before the start of growth in the spring, about from late February to mid-March; the second is in the fruit development stage, about from May to June; the third time After that, about 9 to November. A reasonable method of fermenting passion fruit is to use liquid fertilizer or open parallel ditch. The application of liquid fertilizer is to dissolve the fertilizer first, then dilute it into liquid fertilizer, and infuse it around the root system to induce root growth. Open parallel groove fertilization is conducive to the expansion of the root system. Therefore, the newly planted plants open a parallel groove with a width of 15-20 cm and a length of 50 cm at 30 cm on both sides. When some rainwater is used, the grain fertilizer is applied and covered with soil. 1, nitrogen fertilizer can not be too much Passion fruit is very sensitive to nitrogen fertilizer. Too much nitrogen fertilizer often causes the phenomenon of “falling flowersâ€, that is, when the flower buds are slightly larger and have not come to bloom, they will fall off, and naturally there will be no fruit to be harvested. Generally, nitrogen fertilizer should not be applied too much after the initial stage. When the passion fruit is deficient in nitrogen, the whole plant is yellow-green, the leaves are small, and the growth is slow. The leaves near the cadres or the ground are easily aging and falling off, but unless it is extremely neglected, the situation is rarely seen in the field. During actual growth, if the leaves of the plant are smaller than the palm of the person, the nitrogen deficiency is considered regardless of whether the color is normal leaf color. At this time, it is advisable to quickly supplement the nitrogen fertilizer to provide the nutrients needed for growth. The common phenomenon is the phenomenon of excessive nitrogen fertilizer. In this case, the appearance of the blade can be extremely large, and the branches are flowering and often falling. The result is often a low yield. To determine whether the nitrogen fertilizer is appropriate, in addition to paying attention to the leaf size, if the result of passion fruit, if there are 3 to 5 consecutive fruit, it means the balance of nitrogen in vegetative growth. 2. Timely supplementation of phosphate fertilizer The fruit juice of passion fruit is all in the fake skin of the seed. Therefore, if the seeds are not fully developed, the juice content is naturally less. Under general cultivation, the fruit juice content of passion fruit is about 30% to 35%. In order to ensure that the amount of juice can reach a certain level, phosphate fertilizer that promotes seed development is indispensable. The suitable phosphorus content in the leaves of Passion fruit ranges from 0.2% to 0.3%. Most of the lack of phosphate fertilizer is that the phosphate fertilizer is easy to be fixed in the soil, especially in the soil lacking organic matter or low pH. Phosphorus-deficient passion fruit plants, branches are not easy to stretch normally, leaf color is slightly thick, fruit juice rate is low. When the phosphorus deficiency is serious, the fruit is partially hollow and the fruit is extremely light. Improvement method: Using drip irrigation liquid fertilizer method, it is the best way to supply phosphate fertilizer in irrigation time. Of course, using page fertilization to reduce soil disturbance is also an effective way to supplement phosphate. Or, start with the adjustment of the soil pH and improve the soil. 3, potash is essential When the potassium fertilizer is too small, the soluble solids contained in the juice will not be significantly reduced and affect the juice production rate, but the leaves have poor resistance to disease. Although potassium has little to do with yield, it has a lot to do with the health of passion fruit plants. Therefore, the application of potassium fertilizer should be strengthened within 15 days after flowering. Because this period is the rapid growth of the fruit, to ensure the right amount of potassium fertilizer, can ensure the growth of the fruit. 4, the use of liquid fertilizer or open parallel grooves For the sake of reason, the initial fertilization amount of passion fruit should be higher to help its trunk extend to the top of the scaffolding. But in fact, the roots of the newly planted passion fruit are not large, and most of them are within a range of one foot from the trunk. The scope of fertilizer application does not need to be too wide. The use of a circular trench fertilization method will prevent the root system from continuing to extend outward, blocking the excellent opportunity to extend the root system early. The ideal method is to use liquid fertilizer to perfuse the diluted liquid fertilizer into the roots to induce root growth. In another way, when using granular fertilizer, the granular fertilizer is applied to the ditch and covered with the open parallel groove. 5, the amount of fertilizer should be discretion Due to the different topography, soil, climate and other factors in different regions, the soil fertility is also very different. Therefore, during the planting period, the actual growth of the passion fruit should be used to judge whether the nutrients need to be adjusted and what fertilizer should be applied. 6, pay attention to irrigation Although passion fruit can withstand drought-producing fruit trees, in the case of drought, both yield and quality will decrease. Moreover, all fertilizers are absorbed by plants by means of an aqueous solution dissolved in the soil. Therefore, in the arid soil, even if the fertilizer is more elaborate and fine, without the cooperation of water, it is not ideal to maintain the growth of fruit trees by rain. Therefore, during the whole growth period, more attention should be paid to observation and timely irrigation. It can be seen from the above that it is impossible to do a good job of fertilization management of passion fruit. It is not possible to achieve a single step. This can not be achieved in many ways, so that the passion fruit grows healthily and achieves high yield. Related reading: How to fertilize the fruits of spring passion fruit Passion fruit, also known as egg fruit, is a plant of the genus Passiflora. The fruit is juicy and the fruit can be eaten raw or vegetable. Passion fruit is highly adaptable and does not require high soil. However, the large-scale production of the loam soil layer is at least 0.5 meters, and the soil is fertile, loose, and well drained, and the soil pH value is preferably 5.5-6.5. As the temperature rises, the passion fruit begins to germinate and bloom, so it is necessary to re-fertilize and ensure the normal growth of the passion fruit. Spring passion fruit fertilization method: 1. After the spring temperature rises, 30~40 cm around the root of the passion fruit plant, dip a groove of 15-20 cm deep, 30-40 cm wide and 50-60 cm long, on each side of the left and right sides, 0.5~ per ditch. 1 kg of man-made poultry manure, 250-300 g of compound fertilizer, 150-200 g of NPK (15-15-15) compound fertilizer, mix all the fertilizers well, and spread them in the ditch Inside, cover the soil. 2. Spray the mixture of 0.1% magnesium sulfate, 0.2% urea, 0.3% potassium dihydrogen phosphate and 600 times amino acid active liquid fertilizer every 7 to 10 days, and spray continuously for 2 to 3 times. Evenly spray all the stems and leaves to start with drops of water, and add various nutrients from the leaves. This article URL: Passion fruit fertilization precautions
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