Intercropping wheat with ancestral non-mycorrhizal crops in a volcanic soil at early growth stage

Primer Autor
Castillo, Claudia
Co-autores
Solano, Jaime
Collinao, Mauricio
Catalan, Rocio
Campos, Pedro
Aguilera, Paula
Sieverding, Ewald
Borie, Fernando
Título
Intercropping wheat with ancestral non-mycorrhizal crops in a volcanic soil at early growth stage
Editorial
INST INVESTIGACIONES AGROPECUARIAS - INIA
Revista
CHILEAN JOURNAL OF AGRICULTURAL RESEARCH
Resumen
Intercropping is especially relevant for low-income farmers when crop production is developed in soils under the new scenario produced by climatic change, mainly water shortage and low availability of nutrients especially P. An example of this would happen in volcanic soils of Southern Chile with high P fixing capacity and where most cereals are cropped. The aim of this study was to compare the benefits obtained on soil biochemical properties and on wheat (Triticum aestivum L.) growth when sowed under monoculture or intercropped with non-mycorrhizal plants such as quinoa (Chenopodium quinoa Willd.), buckwheat (Fagopyrum esculentum Moench), canola (Brassica napus L.) and white lupin (Lupinus albus L.) Wheat plants parameters such as shoot growth and morphological root traits together with some soil biological and chemical characteristics were measured after 30 and 44 d of plant growing in pots under controlled conditions. Results showed nonsignificant differences on growth parameters (i.e., height and shoot/root biomass) and P acquisition between monocrop and intercropped wheat. Conversely, wheat root morphological traits namely total length, root area, and forks were greatly reduced (around 50%) regardless of plant species. Intercropping tended to increase P availability and significantly reduced rhizosphere soil pH, with the lowest levels observed for wheat-canola combination (from 7.5 to 5.6). Intercropping produced a slight reduction in mycorrhizal colonization but increased over 100% viable spores' number and exerted a variable effect on the microbial C-biomass, with greater values observed in wheat-canola combination (1.49 mg g-1). These results encourage us to deepen the use of some new plant combinations in family farming carried out in volcanic soils.
Fecha Publicación
2022
Tipo de Recurso
artículo original
Description
Financial support from FONDECYT 1191551 and FONDECYT 3210517 is greatly acknowledged.
Se agradece ampliamente el apoyo financiero del FONDECYT 1191551 y FONDECYT 3210517.
doi
10.4067/S0718-58392022000400663
Formato Recurso
PDF
Palabras Claves
Companion plants
P nutrition
quinoa
root traits
smallholders
BUCKWHEAT FAGOPYRUM-ESCULENTUM
MICROBIAL BIOMASS
PHOSPHORUS
QUINOA
Ubicación del archivo
Categoría OCDE
Suelos Volcánicos
Materias
Plantas complementarias
Nutrición de P
quinua
rasgos de raíces
pequeños agricultores
TRIGO ALFORFÓN FAGOPYRUM-ESCULENTUM
BIOMASA MICROBIANA
FÓSFORO
QUINOA
Página de inicio (Recomendado-único)
663.0
Página final (Recomendado-único)
672.0
Versión del recurso (Recomendado-único)
Versión publicada
License
CC BY-NC 4.0
Identificador del recurso (Mandatado-único)
comentario
Referencia del Financiador (Mandatado si es aplicable-repetible)
ANID-FONDECYT 3210517
ANID-FONDECYT 1191551
ANID FONDECYT 3210517
ANID FONDECYT 1191551
Derechos de acceso
acceso abierto
Access Rights
acceso abierto
Id de Web of Science
WOS:000857397400001
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