The Effects on Nutrients Uptake and Soil Chemical Properties according to Fertigation Ratio of Green Onion (Allium fistulosum L.) in Open Field

Yejin Lee; Jwakyung Sung; Yosung Song; Yangmin Kim; Byunggun Hyun

doi:10.7745/KJSSF.2022.55.2.113

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2022 Vol.55, Issue 2 Preview Page Next Page

Original research article

The Effects on Nutrients Uptake and Soil Chemical Properties according to Fertigation Ratio of Green Onion (Allium fistulosum L.) in Open Field

31 May 2022. pp. 113-120

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Abstract

In order to apply the fertilization manual to the open-field fertigation system, it is necessary to verify the crop productivity. This study was carried out to assess an appropriate nutrient supply ratio for fertigation in open-field green onion (Allium fistulosum L.) cultivation. In this study, we compared the crop nutrient uptake and soil chemical properties according to the type of basal fertilizer (inorganic fertilizer, organic fertilizer, compost) and the ratio of fertigation (A: N60%, K40%; B: N70%, K50%; C: N80%, K80%) through field experiment. All treatment plots were treated with the same amount of fertilizer, and it was applied according to soil test results. When the fertigation ratio was increased during the crop cultivation period, there was little change in soil EC, NO₃-N, Ex. K, and there was no statistically significant difference in crop yield regardless of the types of basal fertilizer and fertigation ratio. However, the nitrogen uptake of green onions tended to decrease with the increase of the fertigation ratio. In soils with a low nutrient content, if the basal fertilization amount is reduced, the nutrient deficiency in the early stage of crop growth may reduce crop productivity. Therefore, it is recommended to fertigation ratio of A (N60%, K40%) for green onion cultivation in the open-field.

The nutrient uptake and fertilizer use efficiency of green onion according to types of basal fertilizer and fertigation level.

Types of basal fertilizer	Nutrients supply ratio through fertigation (%)	Nutrient uptake (kg 10a^-1)		Fertilizer use efficiency (%)
Types of basal fertilizer	Nutrients supply ratio through fertigation (%)	N	K₂O	N	K₂O
Inorganic fertilizer	N 60, K 40	14.7 ± 1.3 a^†	19.9 ± 3.0 a	41.8 a	42.8 n.s.
	N 70, K 60	13.4 ± 1.6 ab	19.9 ± 3.6 a	32.4 ab	45.3
	N 80, K 80	12.3 ± 1.0 b	15.8 ± 2.5 b	24.9 b	24.9
Organic fertilizer	N 60, K 40	14.8 ± 0.9 a	19.4 ± 2.6 n.s.	32.2 n.s.	50.5 n.s.
	N 70, K 60	14.6 ± 1.3 a	17.5 ± 3.4	32.2	37.5
	N 80, K 80	12.1 ± 1.2 b	16.2 ± 2.7	11.7	27.9
Compost	N 60, K 40	14.6 ± 1.6 a	22.4 ± 4.4 a	40.2 n.s.	59.3 n.s.
	N 70, K 60	13.2 ± 0.6 ab	16.5 ± 1.9 b	30.1	30.4
	N 80, K 80	12.2 ± 2.6 b	17.5 ± 4.3 b	22.8	41.8

^†Within each variable, means followed by the same letter are not differ significantly at p < 0.05 (DMRT).

Keywords

Fertigation

Green onion

Nutrient uptake

Open field

Soil

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Information

Publisher :Korean Society of Soil Science and Fertilizer
Publisher(Ko) :한국토양비료학회
Journal Title :Korean Journal of Soil Science and Fertilizer
Journal Title(Ko) :한국토양비료학회 학회지
Volume : 55
No :2
Pages :113-120
Received Date : 2022-04-19
Revised Date : 2022-05-30
Accepted Date : 2022-05-30
DOI :https://doi.org/10.7745/KJSSF.2022.55.2.113

Korean Journal of Soil Science and Fertilizer ISSN:0367-6315(Print) 2288-2162(Online) 한국토양비료학회 학회지

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