Lettuce and arugula production in intercropping and organic fertilization

Ribera, Laura M.; Cecilio Filho, Arthur B.; Peres, Nathalia D.; Santana, Dthenifer C.; Silva, Maiele L. da

doi:10.1590/1983-21252023v36n407rc

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Agronomy • Rev. Caatinga 36 (4) • Oct-Dec 2023 • https://doi.org/10.1590/1983-21252023v36n407rc copy

Lettuce and arugula production in intercropping and organic fertilization

Produção de alface e rúcula em cultivo consorciado e adubação orgânica

Authorship SCIMAGO INSTITUTIONS RANKINGS

ABSTRACT

Compared to monoculture, vegetable intercropping allows the optimization of environmental resources and inputs, with positive effects on the yield and profitability of the crop. This study aimed to evaluate the yield of lettuce and arugula in intercropping and intercrop evaluation indexes according to cattle manure doses. The experiment was conducted in Aquidauana, MS, Brazil. Five doses of cattle manure (0, 15, 30, 45, and 60 t ha^-1) were evaluated with four replications in a randomized block design. Higher growth and yield of the intercropped species were observed when the intercrop received 60 t ha^-1 of cattle manure. However, the maximum values of the variables were not reached, so better performances can be obtained with higher doses. The indexes of actual yield loss and advantage of intercropping presented higher values starting at doses of 26 and 30 t ha^-1 of manure, respectively. The highest land use efficiency (1.28) was obtained with 60 t ha^-1 of cattle manure, indicating the agronomic viability of the lettuce and arugula intercrop when fertilized only with cattle manure.

Keywords
Lactuca sativa L; Eruca sativa L; Agronomic performance; Cultivation systems

	Height	Diameter	SDM	Yield
F test
Cattle manure dose	3.11^* * and	13.50^ ,	5.21^ ,	9.13^ ,
Polynomial regression	^ ,	^ ,	^ ,	^ ,
C.V. (%)	11.12	5.47	23.16	15.02
T test
Intercrop. - 0 t ha^-1	11.25^ ,	17.70^ ,	3.32^ ,	670.63^ ,
Intercrop. - 15 t ha^-1	12.07^ ,	16.98^ ,	4.07^ ,	667.19^ ,
Intercrop. - 30 t ha^-1	13.75^ns ns correspond to significant by F test and t test at 1 and 5% probability, and not significant (p > 0.05), respectively.	21.00ns	4.21^ ,	706.25^ ,
Intercrop. - 45 t ha^-1	12.95^ ,	17.80^ ,	4.15^ ,	750.00^ ,
Intercrop. - 60 t ha^-1	14.40^ns ns correspond to significant by F test and t test at 1 and 5% probability, and not significant (p > 0.05), respectively.	20.80ns	6.43^ ,	1085.31ns
Single cultivation	16.30	23.20	12.77	1606.25

	Height	Number of leaves	SDM	Yield
F test
Cattle manure dose	5.54^ and	1.49^ns ns correspond to significant by F test and t test at 1% probability and not significant (p > 0.05), respectively.	5.92^ and	7.53^ and
Polynomial regression	^ and	ns	^ and	^ and
C.V. (%)	14.34	11.20	18.37	19.73
t test
Intercrop. - 0 t ha^-1	8.95^ and	6.47^ and	0.53^ and	191.00^ and
Intercrop. - 15 t ha^-1	10.32^ and	6.60^ and	0.63^ and	200.23^ and
Intercrop. - 30 t ha^-1	11.20^ and	7.00^ and	0.63^ and	300.50^ and
Intercrop. - 45 t ha^-1	12.90ns	7.67ns 7.15^ and	0.75^ and	341.31^ and
Intercrop. - 60 t ha^-1	13.73ns		0.93^ and	341.83^ and
Single cultivation	14.45	9.00	1.63	493.04

	AYLl	AYLa	AYL	IAIl	IAIa	IAI	LERl	LERa	LER
					Teste F
Treatments	9.11^ and	5.93^ and	7.90^ and	9.25^*	7.90^ and	8.61	9.26^ and	7.51^ and	7.16^ and
C.V. (%)	10.70	11.80	35.07	10.74	35.00	87.61	14.88	19.66	15.89
Regression	^ and	^ and	^ and	^ and	^ and	^ and	^ and	^ and	^ and

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[1] Conflict of interest: The authors declare no conflict of interest related to the publication of this manuscript.