同垄种植对玉米||花生土壤有效磷分布特征和作物磷吸收利用的影响

doi:10.3864/j.issn.0578-1752.2025.13.006

Abstract

Abstract:

【Objective】 Co-ridge planting can further enhance the yield advantage of maize (Zea mays L.) and peanut (Arachis hypogaea L.) intercropping (maize||peanut). This study aimed to explore the distribution characteristics of available phosphorus in maize||peanut soil and the characteristics of phosphorus absorption and utilization in crops under the co-ridge planting, which could provide theoretical and technical basis for sustainable high-yield cultivation of maize||peanut. 【Method】 The experiment was conducted in the farm of Henan University of Science and Technology from 2023 to 2024, using a field randomized block experiment. Under the conditions of no phosphorus (P₀) and 180 kg P₂O₅·hm^-2 (P₁₈₀), the effects of co-ridge planting of maize and peanut intercropping (RIC) on the distribution characteristics of soil available phosphorus in 0-60 cm soil layer as well as the absorption and utilization of phosphorus by crops in maize||peanut were studied with flat planting of maize and peanut intercropping (FIC) as the control. 【Result】 In the horizontal direction, the distribution of soil available phosphorus in 0-60 cm soil layer under FIC treatment exhibited “ ” (gentle) characteristics, while under RIC treatment, it showed “ ” (ridge) characteristics, under P₁₈₀ the “low-high-low” “ ” (ridge) characteristics was more prominent. Compared with FIC, RIC was beneficial to increase the soil available phosphorus content in the 0-40 cm soil layer within the planting unit, which significantly increased by 18.38%-21.29% under P₁₈₀. Compared with FIC, RIC alleviated the interspecific phosphorus nutrition competition, increased the phosphorus content of intercropping maize and peanut, significantly increased the phosphorus accumulation, and promoted the phosphorus distribution to maize grain and peanut seed. Compared with FIC, RIC significantly increased the phosphorus absorption and yield of intercropping maize, intercropping peanut, and intercropping system, within the increase range of phosphorus absorption being 18.83%-32.62%, 24.08%-41.78% and 21.06%-37.14%, respectively (P<0.05). Compared with P₀, P₁₈₀ could further increase soil available phosphorus content and phosphorus content in maize and peanut, promote phosphorus absorption in intercropping system, and significantly increase maize and peanut yield and intercropping advantage. 【Conclusion】 The co-ridge planting could further improve the yield advantage of maize||peanut compared with flat planting. The key lied in the fact that it improved the available phosphorus distribution in 0-60 cm soil and increased the available phosphorus content in the 0-40 cm soil layer of the planting unit, alleviated the interspecific phosphorus nutrition competition, and promoted the absorption of phosphorus in maize and peanut and its distribution to seed. Phosphorus application had a significant positive regulation effect.

Key words: co-ridge planting, distribution characteristics of available phosphorus, phosphorus nutrition competition, phosphorus absorption, intercropping advantages, maize, peanut

LIANG Na, WANG JiangTao, WANG YingChao, ZHENG Bin, WANG XiaoXiao, LIU Juan, LIU Ling, FU GuoZhan, JIAO NianYuan. Effects of Co-Ridge Planting on the Distribution Characteristics of Soil Available Phosphorus and the Absorption and Utilization of Phosphorus by Crops in Maize||Peanut[J].Scientia Agricultura Sinica, 2025, 58(13): 2564-2577.

Figures/Tables 11

Fig. 1

Fig. 2

Fig. 3

Table 1

Effects of co-ridge planting on soil available phosphorus content of maize||peanut"

年份 Year	磷水平 P level	种植方式 Planting pattern	土层深度 Soil depth (cm)	土壤有效磷含量 Soil available phosphorus content (mg·kg^-1)
年份 Year	磷水平 P level	种植方式 Planting pattern	土层深度 Soil depth (cm)	玉米行间 Maize rows (L1)	玉米株间 Maize plants (L2)	间距 Spacing (L3)	花生株间Peanut plants (L4)	花生行间 Peanut rows (L5)	种植单元 Planting unit (L2—L5)
2023	P₀	SC	0—10	3.21c	3.12c	/	3.93c	4.20c	/
		FIC		3.39c	3.52c	4.61c	2.84c	3.75c	3.68c
		RIC		3.93c	3.61c	4.84c	3.66c	3.98c	4.02c
	P₁₈₀	SC		27.83b	26.42b	/	30.54ab	25.74ab	/
		FIC		32.63a	27.43b	27.92b	27.10b	24.34b	26.70b
		RIC		25.66b	36.00a	35.59a	32.58a	27.74a	32.98a
	P₀	SC	10—20	2.16b	2.12c	/	3.39c	3.57c	/
		FIC		2.43b	2.03c	1.89b	2.80c	2.98c	2.42c
		RIC		2.12b	2.62c	2.30b	3.07c	3.21c	2.80c
	P₁₈₀	SC		16.59a	13.91b	/	17.63ab	22.94a	/
		FIC		17.63a	16.50ab	16.45a	15.54b	18.49b	16.75b
		RIC		15.91a	19.40a	16.59a	19.72a	22.30a	19.50a
	P₀	SC	20—40	2.03c	2.07b	/	3.16c	3.02c	/
		FIC		1.94c	2.16b	1.76c	2.53c	2.93c	2.34c
		RIC		1.85c	2.21b	2.21c	3.02c	3.07c	2.63c
	P₁₈₀	SC		4.56a	4.57a	/	6.06b	5.97b	/
		FIC		3.75ab	4.07a	5.47b	5.97b	5.83b	5.34b
		RIC		3.34b	5.02a	6.56a	7.56a	7.60a	6.68a
	P₀	SC	40—60	2.43a	1.80c	/	2.89a	2.80a	/
		FIC		2.07a	1.94bc	1.66b	2.48a	2.75a	2.21c
		RIC		2.43a	1.62c	2.12b	2.98a	3.02a	2.43bc
	P₁₈₀	SC		2.53a	2.71ab	/	3.43a	3.25a	/
		FIC		2.48a	2.07bc	3.34a	3.21a	2.84a	2.87b
		RIC		2.43a	3.21a	3.98a	3.61a	3.66a	3.61a
2024	P₀	SC	0—10	3.16c	2.84d	/	3.93c	3.93c	/
		FIC		3.70c	3.57d	4.02c	3.20c	3.34c	3.53c
		RIC		3.93c	3.79d	4.43c	3.70c	3.70c	3.91c
	P₁₈₀	SC		27.14a	26.33c	/	30.07ab	29.34a	/
		FIC		28.03a	28.22b	28.67b	28.50b	24.56b	27.49b
		RIC		26.10b	35.61a	35.11a	33.41a	28.52a	33.17a
	P₀	SC	10—20	2.03c	2.12c	/	3.43c	3.07c	/
		FIC		2.07c	2.53c	2.48b	2.52c	2.93c	2.61c
		RIC		1.98c	3.07c	2.75b	3.02c	2.98c	2.96c
	P₁₈₀	SC		20.33ab	19.49b	/	19.89ab	23.96a	/
		FIC		21.02a	19.97b	20.76a	18.65b	19.04b	19.60b
		RIC		19.47b	21.79a	22.32a	20.83a	23.07a	22.00a
	P₀	SC	20—40	1.89c	1.84c	/	2.93c	2.93d	/
		FIC		1.71c	1.71c	1.80c	2.21c	2.89d	2.15c
		RIC		1.53c	1.80c	1.98c	2.34c	2.93d	2.26c
	P₁₈₀	SC		3.75a	4.65ab	/	6.47a	5.92b	/
		FIC		3.20b	4.25b	4.61b	5.56b	4.79c	4.80b
		RIC		3.02b	5.06a	5.79a	6.51a	7.69a	6.26a
	P₀	SC	40—60	2.30a	1.66b	/	2.20b	2.57a	/
		FIC		2.43a	1.98b	1.57b	1.98b	2.43a	1.99b
		RIC		2.21a	1.98b	1.93b	2.30b	2.48a	2.17b
	P₁₈₀	SC		2.39a	2.07b	/	3.38a	3.34a	/
		FIC		2.84a	2.43b	3.47a	3.16a	3.29a	3.09a
		RIC		2.30a	3.20a	3.70a	3.38a	3.38a	3.42a

Table 1

Table 2

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Table 4

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Table 7

Table 8

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年份 Year	磷水平 P level	种植方式 Planting pattern	玉米各器官磷含量 Phosphorus content in different organs of maize (g·kg^-1)
			开花期 Anthesis stage			成熟期 Maturity stage
						茎 Stem	叶 Leaf	苞叶 Bract	茎 Stem	叶 Leaf	苞叶 Bract	籽粒 Grain
2023	P₀	SM	1.82c	1.90d	1.89d	0.82d	1.27c	0.82d	1.33b
		FIM	1.93c	2.10c	1.89d	0.85d	1.32bc	0.96c	1.40b
		RIM	1.98c	2.14c	2.12c	0.87d	1.49b	1.04bc	1.58b
	P₁₈₀	SM	2.61b	3.33b	2.34b	1.01c	2.71a	1.10b	2.39a
		FIM	2.66b	3.37ab	2.44ab	1.07b	2.76a	1.29a	2.48a
		RIM	2.89a	3.49a	2.59a	1.21a	2.77a	1.37a	2.61a
2024	P₀	SM	1.39d	2.03d	2.09d	0.84d	1.75e	0.75c	1.50e
		FIM	1.71c	2.58c	2.27c	0.91cd	1.87de	0.84bc	1.71d
		RIM	1.79c	2.68c	2.32c	0.99c	2.02cd	0.89bc	1.81d
	P₁₈₀	SM	2.54b	3.82b	2.86b	1.17b	2.15bc	0.96b	2.56c
		FIM	2.61b	3.90b	3.00a	1.33a	2.28b	1.14a	2.78b
		RIM	2.84a	4.14a	3.11a	1.40a	2.65a	1.28a	3.05a

年份 Year	磷水平 P level	种植方式 Planting pattern	花生各器官磷含量 Phosphorus content in different organs of peanut (g·kg^-1)
			结荚期 Podding stage			成熟期 Maturity stage
						茎 Stem	叶 Leaf	果仁 Seed	茎 Stem	叶 Leaf	果仁 Seed
2023	P₀	SP	0.90c	1.81c	2.92bc	0.84b	1.69d	3.38c
		FIP	0.80c	1.67d	2.71d	0.68c	1.54e	3.09e
		RIP	0.85c	1.74cd	2.74d	0.70c	1.61de	3.20d
	P₁₈₀	SP	1.55a	2.16a	3.10a	1.42a	2.05a	3.94a
		FIP	1.35b	2.04b	2.89c	1.34a	1.81c	3.83b
		RIP	1.42ab	2.09ab	3.04ab	1.36a	1.93b	3.92ab
2024	P₀	SP	1.31d	1.98d	3.08c	1.08d	1.86c	3.40d
		FIP	1.24e	1.81e	2.75d	0.81e	1.56e	2.96f
		RIP	1.28de	1.87e	2.87d	1.01d	1.72d	3.25e
	P₁₈₀	SP	1.97a	2.61a	3.97a	1.80a	2.26a	4.22a
		FIP	1.71c	2.39c	3.63b	1.41c	2.02b	3.87c
		RIP	1.89b	2.51b	3.85a	1.58b	2.12b	4.14b

年份 Year	磷水平 P level	种植方式 Planting pattern	磷积累量P accumulation (mg/plant)					磷分配比例P distribution proportion (%)
年份 Year	磷水平 P level	种植方式 Planting pattern	茎 Stem	叶 Leaf	苞叶 Bract	籽粒 Grain	单株 Per plant	茎 Stem	叶 Leaf	苞叶 Bract	籽粒 Grain
2023	P₀	SM	32.1e	26.2e	6.0e	106.6e	170.9f	18.8a	15.3bc	3.5a	62.4a
		FIM	36.9e	28.7e	7.6de	131.9e	205.1e	18.1ab	14.0cd	3.7a	64.2a
		RIM	45.4d	34.9d	11.6cd	180.1d	272.0d	16.7abc	12.9d	4.2a	66.2a
	P₁₈₀	SM	63.8c	84.6c	14.5c	276.2c	439.1c	14.6c	19.3a	3.3a	62.8a
		FIM	75.3b	94.5b	22.3b	324.6b	516.7b	14.6c	18.3a	4.3a	62.8a
		RIM	96.2a	99.9a	27.9a	390.0a	614.0a	15.7bc	16.3b	4.5a	63.5a
2024	P₀	SM	35.0f	32.6f	4.4e	93.2f	165.2f	21.2a	19.7a	2.7bc	56.4c
		FIM	42.9e	38.1e	6.1e	156.4e	243.3e	17.6b	15.6b	2.5bc	64.3b
		RIM	57.2d	45.6d	9.0d	202.9d	314.8d	18.2b	14.5b	2.9b	64.5b
	P₁₈₀	SM	80.6c	51.3c	11.4c	332.8c	476.0c	16.9bc	10.8c	2.4c	69.9a
		FIM	104.5b	61.6b	16.5b	423.6b	606.1b	17.2bc	10.2c	2.7bc	69.9a
		RIM	122.0a	79.9a	26.0a	537.1a	765.0a	16.0c	10.4c	3.4a	70.2a

年份 Year	磷水平 P level	种植方式 Planting pattern	磷积累量P accumulation (mg/plant)				磷分配比例P distribution proportion (%)
年份 Year	磷水平 P level	种植方式 Planting pattern	茎 Stem	叶 Leaf	果仁 Seed	单株 Per plant	茎 Stem	叶 Leaf	果仁 Seed
2023	P₀	SP	27.4d	21.0c	57.2c	105.6c	26.0c	19.9ab	54.1a
		FIP	13.8f	12.7e	30.9f	57.4e	24.1d	22.1a	53.8a
		RIP	18.5e	17.1d	45.8e	81.4d	22.7e	21.0a	56.3a
	P₁₈₀	SP	61.3a	31.7a	95.4a	188.3a	32.5b	16.8c	50.7b
		FIP	39.3c	19.9c	50.5d	109.8c	35.8a	18.1bc	46.0c
		RIP	45.9b	24.2b	66.1b	136.2b	33.7b	17.8bc	48.5bc
2024	P₀	SP	31.9c	21.6b	50.9b	104.4c	30.5b	20.7b	48.8a
		FIP	15.6e	11.9e	24.7e	52.1f	29.9b	22.8a	47.3ab
		RIP	21.7d	14.4d	32.8d	68.9e	31.4b	20.9b	47.6ab
	P₁₈₀	SP	61.9a	31.2a	75.4a	168.5a	36.7a	18.5c	44.8b
		FIP	33.0c	18.4c	41.0c	92.4d	35.7a	19.9bc	44.3b
		RIP	42.2b	22.6b	55.6b	120.4b	35.1a	18.8c	46.1ab

年份 Year	磷水平 P level	种植方式 Planting pattern	玉米Maize (kg·hm^-2)		花生Peanut (kg·hm^-2)		体系磷吸收量 P absorption of system (kg·hm^-2)	磷间作优势 P intercropping advantage (kg P·hm^-2)
年份 Year	磷水平 P level	种植方式 Planting pattern	单作 SC	间作 IC	单作 SC	间作 IC	体系磷吸收量 P absorption of system (kg·hm^-2)	磷间作优势 P intercropping advantage (kg P·hm^-2)
2023	P₀	FIC	11.4b	25.6d	27.8b	16.6d	20.2d	1.1d
	P₀	RIC	11.4b	34.0c	27.8b	23.6c	27.8c	8.6b
	P₁₈₀	FIC	29.3a	64.6b	49.6a	31.8b	44.9b	6.1c
	P₁₈₀	RIC	29.3a	76.7a	49.6a	39.5a	54.4a	15.5a
2024	P₀	FIC	11.0b	30.4d	27.5b	15.1d	21.2d	2.5c
	P₀	RIC	11.0b	39.3c	27.5b	20.0c	27.7c	8.9b
	P₁₈₀	FIC	31.7a	75.8b	44.4a	26.8b	46.4b	8.7b
	P₁₈₀	RIC	31.7a	95.6a	44.4a	34.9a	59.2a	21.5a

Effects of Co-Ridge Planting on the Distribution Characteristics of Soil Available Phosphorus and the Absorption and Utilization of Phosphorus by Crops in Maize||Peanut

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