Optimization of drip fertigation scheme for Coffea arabica based on soil quality index

doi:10.3969/j.issn.1004-1524.2022.03.17

Acta Agriculturae Zhejiangensis ›› 2022, Vol. 34 ›› Issue (3): 566-573.DOI: 10.3969/j.issn.1004-1524.2022.03.17

• Environmental Science • Previous Articles Next Articles

Optimization of drip fertigation scheme for Coffea arabica based on soil quality index

SUN Wenyan(), LIU Xiaogang(), ZHANG Wenhui, LI Huiyong, WU Lang, YANG Qiliang, XIONG Guomei

Faculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China

Received:2021-04-18 Online:2022-03-25 Published:2022-03-30
Contact: LIU Xiaogang

Abstract

Abstract:

In the present study, a full combination test with 2 factors (fertilization level and irrigation level) of 3 levels was carried out. Three fertilization levels (based on single plant) were set as F_H 190.8 g, F_M 127.2 g, F_L 63.6 g, and three irrigation levels (based on single plant) were set as W_H 190.63 L, W_M 158.86 L, W_L 132.90 L. Based on the contents of soil nitrate nitrogen, available phosphorus, available potassium, number of bacteria, fungi and actinomycetes, and activities of catalase, phosphatase and urease, soil quality index (SQI) was constructed. Based on SQI in the root zone of Coffea arabica under different treatments, the suitable drip fertigation scheme was screened out. It was shown that the increasing irrigation level could decrease soil nutrients contents, yet soil nutrients contents increased with the increasing fertilization level. Among all the treatments, soil nutrients contents under F_HW_L was the highest, and its nitrate nitrogen, available phosphorus, available potassium contents were significantly (P<0.05) increased by 185.7%, 422.9%, 95.9%, respectively, than those of F_LW_L. The microbial (including bacteria, fungi and actinomycetes) quantity and soil enzymes activities increased with the elevated irrigation level, yet increased first and decreased later with the elevated fertilization level. Compared with F_LW_L, F_MW_H showed the best performance in increasing microbial quantity and improving soil enzymes activities, as the number of bacteria, fungi, actinomycetes, and activities of catalase, phosphatase, urease were significantly (P<0.05) increased by 176.4%, 73.3%, 49.2%, 45.1%, 24.6%, 146.6%, respectively. The highest SQI was recorded under F_MW_H. Therefore, the most suitable drip fertigation scheme was high irrigation level coupled with medium fertilization level (F_MW_H) under experiment conditions.

Key words: Coffea arabica, drip fertigation, soil nutrients, soil microorganism, soil enzymes, soil quality index

CLC Number:

SUN Wenyan, LIU Xiaogang, ZHANG Wenhui, LI Huiyong, WU Lang, YANG Qiliang, XIONG Guomei. Optimization of drip fertigation scheme for Coffea arabica based on soil quality index[J]. Acta Agriculturae Zhejiangensis, 2022, 34(3): 566-573.

Figures/Tables 4

References 32

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施肥量 Fertilization level	灌水量 Irrigation level	细菌数量 Number of bacteria/(10⁷ CFU·g^-1)				真菌数量 Number of fungi/(10³ g^-1)				放线菌数量 Number of actinomycetes/(10⁵ g^-1)
施肥量 Fertilization level	灌水量 Irrigation level	3月 March	6月 June	9月 September	平均值 Mean	3月 March	6月 June	9月 September	平均值 Mean	3月 March	6月 June	9月 September	平均值 Mean
F_L	W_L	2.46 e	3.74 e	0.56 e	2.25 e	4.65 e	3.42 e	8.31 e	5.46 e	8.26 f	10.45 e	6.28 e	8.33 e
	W_M	3.48 d	4.56 d	1.54 d	3.19 d	5.64 d	4.27 d	9.36 d	6.43 d	9.27 e	11.54 d	7.45 d	9.42 d
	W_H	4.56 c	5.46 c	2.64 c	4.22 c	6.61 c	5.55 c	10.57 c	7.58 c	10.26 d	12.63 c	8.57 c	10.49 c
F_M	W_L	4.57 c	5.34 c	2.51 c	4.14 c	6.42 c	5.24 c	10.38 c	7.35 c	10.79 c	12.43 c	8.41 c	10.55 c
	W_M	5.52 b	6.50 b	3.30 b	5.11 b	7.46 b	6.60 b	11.40 b	8.49 b	11.62 b	13.56 b	9.59 b	11.59 b
	W_H	6.56 a	7.53 a	4.56 a	6.22 a	8.55 a	7.45 a	12.38 a	9.46 a	12.36 a	14.32 a	10.61 a	12.43 a
F_H	W_L	3.74 d	4.86 d	1.53 d	3.38 d	5.41 d	4.60 d	9.55 d	6.52 d	9.43 e	11.52 d	7.44 d	9.46 d
	W_M	4.47 c	5.58 c	2.41 c	4.15 c	6.62 c	5.43 c	10.42 c	7.49 c	10.38 d	12.68 c	8.51 c	10.52 c
	W_H	5.62 b	6.50 b	3.42 b	5.18 b	7.58 b	6.53 b	11.47 b	8.53 b	11.45 b	13.41 b	9.52 b	11.46 b

施肥量 Fertilization level	灌水量 Irrigation level	细菌数量 Number of bacteria/(10⁷ CFU·g^-1)				真菌数量 Number of fungi/(10³ g^-1)				放线菌数量 Number of actinomycetes/(10⁵ g^-1)
施肥量 Fertilization level	灌水量 Irrigation level	3月 March	6月 June	9月 September	平均值 Mean	3月 March	6月 June	9月 September	平均值 Mean	3月 March	6月 June	9月 September	平均值 Mean
F_L	W_L	2.46 e	3.74 e	0.56 e	2.25 e	4.65 e	3.42 e	8.31 e	5.46 e	8.26 f	10.45 e	6.28 e	8.33 e
	W_M	3.48 d	4.56 d	1.54 d	3.19 d	5.64 d	4.27 d	9.36 d	6.43 d	9.27 e	11.54 d	7.45 d	9.42 d
	W_H	4.56 c	5.46 c	2.64 c	4.22 c	6.61 c	5.55 c	10.57 c	7.58 c	10.26 d	12.63 c	8.57 c	10.49 c
F_M	W_L	4.57 c	5.34 c	2.51 c	4.14 c	6.42 c	5.24 c	10.38 c	7.35 c	10.79 c	12.43 c	8.41 c	10.55 c
	W_M	5.52 b	6.50 b	3.30 b	5.11 b	7.46 b	6.60 b	11.40 b	8.49 b	11.62 b	13.56 b	9.59 b	11.59 b
	W_H	6.56 a	7.53 a	4.56 a	6.22 a	8.55 a	7.45 a	12.38 a	9.46 a	12.36 a	14.32 a	10.61 a	12.43 a
F_H	W_L	3.74 d	4.86 d	1.53 d	3.38 d	5.41 d	4.60 d	9.55 d	6.52 d	9.43 e	11.52 d	7.44 d	9.46 d
	W_M	4.47 c	5.58 c	2.41 c	4.15 c	6.62 c	5.43 c	10.42 c	7.49 c	10.38 d	12.68 c	8.51 c	10.52 c
	W_H	5.62 b	6.50 b	3.42 b	5.18 b	7.58 b	6.53 b	11.47 b	8.53 b	11.45 b	13.41 b	9.52 b	11.46 b

施肥量 Fertilization level	灌水量 Irrigation level	过氧化氢酶活性Catalase activity/ (mL·g^-1)				磷酸酶活性Phosphatase activity/ (mg·g^-1·d^-1)				脲酶活性Urease activity/ (mg·g^-1·d^-1)
施肥量 Fertilization level	灌水量 Irrigation level	3月 March	6月 June	9月 September	平均值 Mean	3月 March	6月 June	9月 September	平均值 Mean	3月 March	6月 June	9月 September	平均值 Mean
F_L	W_L	1.33 g	1.12 i	1.22 g	1.22 i	61.37 g	45.39 e	76.52 e	61.09 f	0.13 g	0.12 f	0.13 g	0.13 i
	W_M	1.36 f	1.15 h	1.25 f	1.25 h	63.18 fg	48.07 de	79.85 de	63.70 e	0.15 fg	0.14 ef	0.16 fg	0.15 h
	W_H	1.39 e	1.18 g	1.25 f	1.27 g	67.84 de	51.33 cd	81.07 bcd	66.75 cd	0.16 ef	0.15 e	0.18 ef	0.16 g
F_M	W_L	1.92 b	1.71 c	1.51 e	1.72 c	70.68 bc	55.84 ab	80.30 cd	68.94 c	0.29 b	0.26 b	0.29 bc	0.28 c
	W_M	1.95 a	1.75 b	1.55 d	1.75 b	73.54 b	57.32 ab	84.45 bc	71.77 b	0.30 ab	0.29 a	0.31 ab	0.30 b
	W_H	1.97 a	1.78 a	1.57 c	1.77 a	77.99 a	59.45 a	90.99 a	76.14 a	0.32 a	0.31 a	0.33 a	0.32 a
F_H	W_L	1.62 d	1.41 f	1.83 b	1.62 f	66.39 ef	50.38 cd	77.60 de	64.79 d	0.19 de	0.16 d	0.19 e	0.18 f
	W_M	1.63 d	1.45 e	1.85 b	1.64 e	69.16 cde	54.59 bc	81.41 bc	68.39 c	0.21 d	0.18 d	0.23 d	0.21 e
	W_H	1.67 c	1.47 d	1.87 a	1.67 d	72.54 b	56.76 ab	85.01 b	71.44 b	0.26 c	0.23 c	0.27 c	0.25 d

施肥量 Fertilization level	灌水量 Irrigation level	过氧化氢酶活性Catalase activity/ (mL·g^-1)				磷酸酶活性Phosphatase activity/ (mg·g^-1·d^-1)				脲酶活性Urease activity/ (mg·g^-1·d^-1)
施肥量 Fertilization level	灌水量 Irrigation level	3月 March	6月 June	9月 September	平均值 Mean	3月 March	6月 June	9月 September	平均值 Mean	3月 March	6月 June	9月 September	平均值 Mean
F_L	W_L	1.33 g	1.12 i	1.22 g	1.22 i	61.37 g	45.39 e	76.52 e	61.09 f	0.13 g	0.12 f	0.13 g	0.13 i
	W_M	1.36 f	1.15 h	1.25 f	1.25 h	63.18 fg	48.07 de	79.85 de	63.70 e	0.15 fg	0.14 ef	0.16 fg	0.15 h
	W_H	1.39 e	1.18 g	1.25 f	1.27 g	67.84 de	51.33 cd	81.07 bcd	66.75 cd	0.16 ef	0.15 e	0.18 ef	0.16 g
F_M	W_L	1.92 b	1.71 c	1.51 e	1.72 c	70.68 bc	55.84 ab	80.30 cd	68.94 c	0.29 b	0.26 b	0.29 bc	0.28 c
	W_M	1.95 a	1.75 b	1.55 d	1.75 b	73.54 b	57.32 ab	84.45 bc	71.77 b	0.30 ab	0.29 a	0.31 ab	0.30 b
	W_H	1.97 a	1.78 a	1.57 c	1.77 a	77.99 a	59.45 a	90.99 a	76.14 a	0.32 a	0.31 a	0.33 a	0.32 a
F_H	W_L	1.62 d	1.41 f	1.83 b	1.62 f	66.39 ef	50.38 cd	77.60 de	64.79 d	0.19 de	0.16 d	0.19 e	0.18 f
	W_M	1.63 d	1.45 e	1.85 b	1.64 e	69.16 cde	54.59 bc	81.41 bc	68.39 c	0.21 d	0.18 d	0.23 d	0.21 e
	W_H	1.67 c	1.47 d	1.87 a	1.67 d	72.54 b	56.76 ab	85.01 b	71.44 b	0.26 c	0.23 c	0.27 c	0.25 d

处理 Treatment	隶属函数值Membership function value									SQI
处理 Treatment	硝态氮 Nitrate N	有效磷 Available P	速效钾 Available K	细菌 Bacteria	真菌 Fungi	放线菌 Actinomycetess	过氧化氢酶 Catalase	磷酸酶 Phosphatase	脲酶 Urease	SQI
F_LW_L	0.15	0.21	0.61	0	0	0	0	0	0	0.10 g
F_LW_M	0.08	0.14	0.28	0.24	0.24	0.27	0.06	0.18	0.11	0.18 f
F_LW_H	0	0.03	0	0.50	0.53	0.53	0.09	0.38	0.20	0.25 e
F_MW_L	0.58	0.24	0.71	0.48	0.47	0.54	0.90	0.53	0.80	0.59 c
F_MW_M	0.49	0.18	0.36	0.72	0.76	0.80	0.95	0.71	0.92	0.66 b
F_MW_H	0.34	0	0.06	1.00	1.00	1.00	1.00	1.00	1.00	0.72 a
F_HW_L	1.00	1.00	1.00	0.28	0.26	0.28	0.72	0.24	0.28	0.56 d
F_HW_M	0.99	0.94	0.99	0.48	0.51	0.53	0.77	0.49	0.42	0.68 b
F_HW_H	0.61	0.75	0.31	0.74	0.77	0.76	0.82	0.69	0.66	0.68 b

Optimization of drip fertigation scheme for Coffea arabica based on soil quality index

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