{ "id": 5717, "date": "2022-11-08T09:39:23", "date_gmt": "2022-11-08T09:39:23", "guid": { "rendered": "https:\/\/dekagro.gr\/?page_id=5717" }, "modified": "2025-12-22T09:11:15", "modified_gmt": "2025-12-22T09:11:15", "slug": "citrus-fertilization-guide", "status": "publish", "type": "page", "link": "https:\/\/www.dekagro.gr\/en\/fertilization\/citrus-fertilization-guide\/", "title": { "rendered": "Citrus fertilization guide" }, "content": { "rendered": "
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Citrus
fertilization guide<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Citrus fertilization guide<\/div>\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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\nCitrus Leaflet<\/i> <\/a><\/div>\n<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/i><\/span>\n\t\t\t\t\t\t\t\t<\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\tSoil - climate requirements<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t

Citrus trees thrive in a variety of soils, from sandy to clay ones. The soils considered ideal are those which are of medium texture, deep, sandy clay or clay sand, permeable, with good drainage, and non-saline.<\/p>

Firm clay soils should be avoided as they prevent oxygenation and the normal function of the root system, while calcareous soils cause nutritional abnormalities and nutritional deficiencies which inhibit tree growth.<\/p>

Citrus trees favor a slightly acidic pH, yet they can develop normally and produce excellent yields in a pH range between 6 and 7.5. They thrive in areas with mild, coastal climates, without strong winds and frosts. They show low resistance to cold, with the orange tree being the most resilient, followed by the Tangerine tree, and the Lemon tree coming last.<\/p>

\u00a0<\/div><\/div><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t
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In order to produce high yields of high quality, citrus trees have high annual nutritional requirements.<\/p>

An integral fertilization program should cover both the nutrients lost during harvest and those required for sprouting, flowering, and fruit setting. The quantities required annually by the crop in order to produce three tons of produce per hectare (3\u039c\u03a4\/ha.) per type of crop are described below.<\/p>

Annual nutrient requirements for 3MT per hectare (kg \/ ha.)<\/th><\/tr>
Crop<\/th>Nitrogen

(N)<\/th>		Phosphorus

(P2<\/span>O5<\/span>)<\/th>		Potassium

(K2<\/span>O)<\/th>		Magnesium

(MgO)<\/th><\/tr><\/thead>
Orange<\/td>180 – 240<\/td>80 – 120<\/td>180 – 240<\/td>40 – 60<\/td><\/tr>
Mandarin<\/td>160 – 220<\/td>60 – 100<\/td>160 – 220<\/td>30 – 60<\/td><\/tr>
Lemon<\/td>180 – 260<\/td>80 – 120<\/td>180 – 260<\/td>40 – 80<\/td><\/tr>
Grapefruit<\/td>140 – 180<\/td>60 – 100<\/td>160 – 200<\/td>3 – 6<\/td><\/tr><\/tbody><\/table><\/div><\/div><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t
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From sprouting to fruit setting (Mar. – Apr.)<\/h3>

\"\u0391\u03c0\u03cc<\/p>

In mid-March, when the temperatures start rising, the spring flash of sprouting begins. During this time, the activity of the root system intensifies and the water and nutrient uptake increases, so that the high requirements of sprouting and flowering are covered.<\/p>

The flowers become fully grown, are formed on the inflorescences, and the trees enter the stages of flowering and fruit setting. The number of flowers and their fertility is significantly affected by their position on the tree, the load from the previous year, the presence of unharvested fruits, the level of humidity, and the nutritional state of the trees:<\/p>