Effect of different controlled-release fertilizers with urea ammonium on yield, nitrogen use efficiency and soil nutrients of rice

doi:10.3969/j.issn.1004-1524.2021.01.15

Acta Agriculturae Zhejiangensis ›› 2021, Vol. 33 ›› Issue (1): 122-130.DOI: 10.3969/j.issn.1004-1524.2021.01.15

• Environmental Science • Previous Articles Next Articles

Effect of different controlled-release fertilizers with urea ammonium on yield, nitrogen use efficiency and soil nutrients of rice

CHEN Gui¹(), LU Chenni¹, SHI Yanping², NI Xiongwei², CHENG Wangda¹, ZHANG Hongmei¹, WANG Baojun¹, ZHANG Liping¹, SUN Da³^,^*()

1. Jiaxing Academy of Agricultural Science, Jiaxing 314016, China
2. Soil, Fertilizer, Plant Protection and Rural Energy Station of Jiaxing, Jiaxing 314050, China
3. Agricultural and Fishery Technology Extension Station of Nanhu District, Jiaxing City, Jiaxing 314051, China

Received:2020-07-01 Online:2021-01-25 Published:2021-01-25
Contact: SUN Da

Abstract

Abstract:

In the present study, a field experiment was conducted to study the effect of different controlled-release fertilizers (CRFs) with urea ammonium (AU) on the yield, nitrogen use efficiency (NUE) and soil nutrients. The conventional fertilization method (N 225 kg·hm^-2) was introduced as CK, and three CRFs, namely, lignin-based CRF Haolegeng (HL), urea formaldehyde-based CRF Yongxiao (YX), and nitrification inhibitor-based CRF Kaileilou (KL), were selected to form three CRF+AU modes (HL+AU, YX+AU, and KL+AU), and the N input in these modes was reduced by 0, 20%, 35% and 50% as compared with CK, respectively. It was shown that there was no significant difference in yield within the treatments of CRF+AU modes with 20% N reduction and CK. However, when N reduction rate was 35% and 50%, the yields of rice under CRF+AU modes decreased significantly (P<0.05), which could be attributed to greater ratio of decreases in panicles per unit area and grains per panicle compared to seed-setting rate and 1 000-grain weight. The NUE increased with the reduction of N input under CRF+AU modes. When N reduction rate was 50%, NUE was the highest (20.1 kg·kg^-1) under KL+AU modes, and its grain physiological N-use efficiency (PE-grain) was significantly (P<0.05) increased by 14.7% than CK. When N reduction rate was 20% under YX+AU modes, the nitrogen uptake efficiency (NupE) and apparent N recovery efficiency (ANR) were significantly (P<0.05) increased by 12.4% and 22.3%, respectively, as compared with CK. Under CRF+AU modes, with the higher N reduction rate, the contents of soil alkali hydrolyzable N showed decreasing trends. However, the content of soil alkali hydrolyzable N was significantly (P<0.05) increased by 7.44%-9.57% than CK under CRR+AU modes without N reduction. Compared with CK, the soil pH under KL+AU was significantly (P<0.05) reduced by 0.17-0.31 pH unit. Based on the results of grain yield, NUE, ANR and soil nutrients, it was more reasonable to reduce N by 20% than CK under CRF+AU modes, and YX+AU had the best effect among them.

Key words: controlled-release fertilizer, urea ammonium, fertilization mode, nitrogen use efficiency, soil nutrients

CLC Number:

CHEN Gui, LU Chenni, SHI Yanping, NI Xiongwei, CHENG Wangda, ZHANG Hongmei, WANG Baojun, ZHANG Liping, SUN Da. Effect of different controlled-release fertilizers with urea ammonium on yield, nitrogen use efficiency and soil nutrients of rice[J]. Acta Agriculturae Zhejiangensis, 2021, 33(1): 122-130.

Figures/Tables 4

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处理 Treatment	产量 Grain yield/ (t·hm^-2)	单位面积穗数 Panicles per unit area/ (10⁴ hm^-2)	每穗粒数 Grains per panicle	结实率 Seed-setting rate/%	千粒重 1 000-grain weight/g
N0	5.90±0.53 e	173±3 e	130±1 a	88.2±2.8 b	32.2±0.7 a
CK	9.33±0.16 a	311±15 ab	122±2 b	88.7±2.6 b	29.6±0.9 c
HL	9.12±0.55 ab	312±36 a	119±1 bcd	92.0±0.4 ab	30.7±0.3 bc
HL20	9.04±0.28 abc	298±18 abcd	115±3 cd	91.0±0.8 ab	32.0±1.5 ab
HL35	8.70±0.19 bcd	286±25 abcd	117±4 bcd	91.0±2.8 ab	31.3±0.8 ab
HL50	8.43±0.41 d	266±18 d	120±8 bc	89.4±2.1 ab	31.7±0.9 ab
YX	9.08±0.08 ab	308±9 abc	117±1 bcd	88.8±1.5 b	31.5±0.5 ab
YX20	9.04±0.29 abc	316±24 a	116±3 bcd	91.1±1.8 ab	31.2±0.7 ab
YX35	8.39±0.16 d	288±22 abcd	116±4 bcd	91.4±1.9 ab	31.2±0.5 ab
YX50	8.37±0.44 d	264±32 d	113±3 d	89.0±4.1 b	31.7±0.4 ab
KL	9.38±0.23 a	318±32 a	120±2 bc	89.3±2.0 ab	31.4±0.8 ab
KL20	9.11±0.24 ab	298±28 abcd	118±4 bcd	91.4±0.9 ab	30.8±0.7 bc
KL35	8.75±0.39 bcd	268±24 cd	118±5 bcd	92.8±4.0 a	31.7±1.3 ab
KL50	8.51±0.39 cd	270±32 bcd	118±4 bcd	90.4±0.6 ab	31.8±0.3 ab

处理 Treatment	产量 Grain yield/ (t·hm^-2)	单位面积穗数 Panicles per unit area/ (10⁴ hm^-2)	每穗粒数 Grains per panicle	结实率 Seed-setting rate/%	千粒重 1 000-grain weight/g
N0	5.90±0.53 e	173±3 e	130±1 a	88.2±2.8 b	32.2±0.7 a
CK	9.33±0.16 a	311±15 ab	122±2 b	88.7±2.6 b	29.6±0.9 c
HL	9.12±0.55 ab	312±36 a	119±1 bcd	92.0±0.4 ab	30.7±0.3 bc
HL20	9.04±0.28 abc	298±18 abcd	115±3 cd	91.0±0.8 ab	32.0±1.5 ab
HL35	8.70±0.19 bcd	286±25 abcd	117±4 bcd	91.0±2.8 ab	31.3±0.8 ab
HL50	8.43±0.41 d	266±18 d	120±8 bc	89.4±2.1 ab	31.7±0.9 ab
YX	9.08±0.08 ab	308±9 abc	117±1 bcd	88.8±1.5 b	31.5±0.5 ab
YX20	9.04±0.29 abc	316±24 a	116±3 bcd	91.1±1.8 ab	31.2±0.7 ab
YX35	8.39±0.16 d	288±22 abcd	116±4 bcd	91.4±1.9 ab	31.2±0.5 ab
YX50	8.37±0.44 d	264±32 d	113±3 d	89.0±4.1 b	31.7±0.4 ab
KL	9.38±0.23 a	318±32 a	120±2 bc	89.3±2.0 ab	31.4±0.8 ab
KL20	9.11±0.24 ab	298±28 abcd	118±4 bcd	91.4±0.9 ab	30.8±0.7 bc
KL35	8.75±0.39 bcd	268±24 cd	118±5 bcd	92.8±4.0 a	31.7±1.3 ab
KL50	8.51±0.39 cd	270±32 bcd	118±4 bcd	90.4±0.6 ab	31.8±0.3 ab

处理Treatment	NUE/(kg·kg^-1)	NupE/(kg·kg^-1)	PE-bio/(kg·kg^-1)	PE-grain/(kg·kg^-1)	ANR/%
N0	19.0±1.7 abcd	0.28±0.03 c	133±8 a	67.8±12.8 a	—
CK	17.4±0.3 efg	0.35±0.02 b	107±10 f	50.4±3.8 cd	36.2±5.1 b
HL	17.0±1.0 fg	0.36±0.03 ab	107±8 f	47.4±2.6 d	39.4±7.3 ab
HL20	18.4±0.6 cde	0.38±0.02 ab	105±1 f	48.8±0.8 d	45.0±4.6 ab
HL35	19.0±0.4 abcd	0.36±0.01 ab	109±2 def	52.8±2.1 bcd	41.5±4.4 ab
HL50	19.9±1.0 ab	0.35±0.01 b	116±1 bcde	57.0±2.7 bc	38.8±2.9 ab
YX	16.9±0.2 g	0.35±0.00 ab	107±2 ef	47.9±0.8 d	38.0±0.7 ab
YX20	18.4±0.6 cde	0.39±0.02 a	109±6 def	47.4±1.5 d	48.2±6.2 a
YX35	18.4±0.4 def	0.36±0.04 ab	118±3 bc	51.9±7.7 bcd	40.5±13.9 ab
YX50	19.7±1.0 abc	0.35±0.02 ab	122±2 b	56.3±0.4 bc	39.6±6.2 ab
KL	17.5±0.4 efg	0.34±0.01 b	108±4 def	51.2±2.3 bcd	35.2±3.3 b
KL20	18.6±0.5 bcde	0.37±0.02 ab	112±2 cdef	50.6±2.2 bcd	42.3±6.2 ab
KL35	19.1±0. 9 abcd	0.36±0. 03 ab	114±7 bcdef	52.8±1.6 bcd	42.2±8.4 ab
KL50	20.1±0.9 a	0.35±0.02 b	117±5 bcd	57.9±1.2 b	38.3±8.4 ab

处理Treatment	NUE/(kg·kg^-1)	NupE/(kg·kg^-1)	PE-bio/(kg·kg^-1)	PE-grain/(kg·kg^-1)	ANR/%
N0	19.0±1.7 abcd	0.28±0.03 c	133±8 a	67.8±12.8 a	—
CK	17.4±0.3 efg	0.35±0.02 b	107±10 f	50.4±3.8 cd	36.2±5.1 b
HL	17.0±1.0 fg	0.36±0.03 ab	107±8 f	47.4±2.6 d	39.4±7.3 ab
HL20	18.4±0.6 cde	0.38±0.02 ab	105±1 f	48.8±0.8 d	45.0±4.6 ab
HL35	19.0±0.4 abcd	0.36±0.01 ab	109±2 def	52.8±2.1 bcd	41.5±4.4 ab
HL50	19.9±1.0 ab	0.35±0.01 b	116±1 bcde	57.0±2.7 bc	38.8±2.9 ab
YX	16.9±0.2 g	0.35±0.00 ab	107±2 ef	47.9±0.8 d	38.0±0.7 ab
YX20	18.4±0.6 cde	0.39±0.02 a	109±6 def	47.4±1.5 d	48.2±6.2 a
YX35	18.4±0.4 def	0.36±0.04 ab	118±3 bc	51.9±7.7 bcd	40.5±13.9 ab
YX50	19.7±1.0 abc	0.35±0.02 ab	122±2 b	56.3±0.4 bc	39.6±6.2 ab
KL	17.5±0.4 efg	0.34±0.01 b	108±4 def	51.2±2.3 bcd	35.2±3.3 b
KL20	18.6±0.5 bcde	0.37±0.02 ab	112±2 cdef	50.6±2.2 bcd	42.3±6.2 ab
KL35	19.1±0. 9 abcd	0.36±0. 03 ab	114±7 bcdef	52.8±1.6 bcd	42.2±8.4 ab
KL50	20.1±0.9 a	0.35±0.02 b	117±5 bcd	57.9±1.2 b	38.3±8.4 ab

处理 Treatment	全氮 Total N/ (g·kg^-1)	碱解氮 Alkali hydrolyzable N/ (mg·kg^-1)	有效磷 Available P/ (mg·kg^-1)	速效钾 Available K/ (mg·kg^-1)	有机质 Organic matter/ (g·kg^-1)	pH
N0	1.68±0.08 a	140±1 a	12.8±1.5 a	152±7 a	23.9±3.0 a	6.89±0.10 a
CK	1.67±0.17 a	130±8 bcd	13.1±2.1 a	143±6 ab	22.8±1.7 a	6.83±0.03 ab
HL	1.76±0.13 a	143±6 a	13.1±2.0 a	140±10 ab	25.1±1.1 a	6.72±0.04 bcd
HL20	1.75±0.11 a	136±7 abcd	13.3±1.4 a	151±11 a	24.8±0.5 a	6.77±0.07 abc
HL35	1.81±0.07 a	130±4 bcd	13.4±0.8 a	154±12 a	24.1±3.2 a	6.77±0.05 abc
HL50	1.79±.011 a	128±4 d	13.7±1.1 a	143±7 ab	23.7±1.7 a	6.82±0.02 ab
YX	1.82±0.10 a	143±3 a	13.1±0.7 a	143±12 ab	24.0±2.1 a	6.75±0.01 bc
YX20	1.76±0.12 a	141±5 a	14.0±1.9 a	142±12 ab	22.3±1.9 a	6.71±0.06 bcde
YX35	1.75±0.10 a	137±4 abcd	13.0±0.7 a	147±11 ab	23.3±3.1 a	6.68±0.08 cde
YX50	1.79±0.08 a	130±4 bcd	13.1±0.4 a	148±9 ab	24.1±2.8 a	6.74±0.10 bcd
KL	1.82±0.12 a	140±5 a	12.7±0.7 a	135±5 b	22.2±2.0 a	6.52±0.16 f
KL20	1.76±0.14 a	138±9 ab	12.4±0.7 a	135±10 b	23.6±2.7 a	6.66±0.07 cde
KL35	1.83±0.08 a	137±4 abc	12.6±0.5 a	141±4 ab	23.0±3.9 a	6.61±0.08 def
KL50	1.71±0.12 a	130±6 cd	12.6±1.0 a	143±8 ab	22.9±1.3 a	6.58±0.11 ef

Effect of different controlled-release fertilizers with urea ammonium on yield, nitrogen use efficiency and soil nutrients of rice

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