A kind of fertilization method suitable for navel orange fruit tree hydroponics

Abstract

The invention discloses a fertilization method suitable for hydroponics of navel orange fruit tree, which is characterized in that: according to the growth characteristics of each stage of navel orange fruit tree, an accurate fertilizer formula, concentration and fertilization frequency plan are given, and the fertilizer formula in the vegetative growth period is: 20-10-20, the fertilizer formula is 20-10-20 during the flowering and fruit-setting period, the fertilizer formula is 17-4-17-4Ca-1Mg during the fruit expansion period, and the fertilizer formula is 13-4-20-4Ca-3Mg during the fruit turning period , after fruit harvesting, the fertilizer formula is 20‑10‑20, the fertilizer concentration is EC value 1.0‑1.5, and the frequency of fertilization is to replenish or replace the fertilizer every 30‑45 days. The water-soluble fertilizer used in the fertilization method of the present invention is complete nutrition and ionic state, does not produce precipitation reaction, and does not produce ion antagonism. Moreover, the operation is simple and convenient, but nutrients can be supplemented according to each growth stage of the navel orange, and the fruit yield and quality can be effectively improved.

Description

technical field [0001] The invention relates to the technical field of citrus cultivation, in particular to a fertilization method suitable for hydroponics of navel orange fruit trees. Background technique [0002] Navel orange is Rutaceae, a kind of cultivar of sweet orange in the genus Citrus. The earliest variety of navel orange, Washington navel orange, was transformed from a branch of Brazil's seeded sweet orange in 1870. At the beginning of the 20th century, navel orange was introduced several times. Cultivation was introduced into China. Navel orange is an arbor, with a flowering period of March-May, a fruit period of October-December, and a late-maturing variety until February-April of the following year. The suitable annual rainfall for navel orange planting is about 1600mm, the annual average temperature is 18-22°C, the absolute minimum temperature is not lower than -5°C, the average temperature in January is not lower than 7°C, and the annual average effective ac...

AI Technical Summary

Problems solved by technology

[0009] For overcoming above-mentioned deficiencies in the prior art, the present invention proposes a kind of fertilization method that is applicable to navel orange result tree hydroponic, to solve solution nutrient imbalance under the hydroponic condition, the problems such as easy precipitation of ion, thereby improve the fruit of hydroponic navel orange. Yield and quality, and simple operation, saving time and effort

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