Scientia Agropecuaria

<font color="#000080">Contribute to science, promoting the generation and dissemination of knowledge, with the publication of original papers in the field of Agricultural science.<br></font><br>

List of Papers (Total 823)

Mechanisms and applications of rhizobacteria in phosphorus acquisition and biocontrol of phytopathogenic nematodes

Parasitic nematodes in crops are a serious threat in worldwide agricultural production. The concerns regarding the environmental and toxicological risks associated with the usage of chemical substances encourage the pursuit of more environmentally friendly alternatives to control phytopathogenic nematodes. It's been considered viable to employ biological control agents, like...

Incidence of Moniliophthora roreri pathogen of cocoa in Ecuador and chemical management at in vitro and in vivo levels

The phytopathogen M. roreri represents one of the main phytosanitary problems worldwide, it is still a challenge and represents a risk for almond production. The efficient use of fungicides reduces the impact on the environment and contributes to the care for the non-resistance of the pathogen. This work carried out an experimental study to estimate the capacity of chemical...

Phytochemical profile of native wild plants of Central Kalimantan with potential use for the development of functional foods and sustainable dietary interventions

The study investigates the phytochemical profiles of selected wild local vegetables in Central Kalimantan, Indonesia, assessing their potential health benefits in addressing nutritional deficiencies prevalent in the region. A comprehensive analysis was conducted on key metabolites, including phenols, flavonoids, carotenoids, alkaloids, phytosterol, terpenoid, saponin, and...

Agro-morphological characterization of tarwi (Lupinus mutabilis Sweet) accessions using descriptors and spectral metrics derived from UAVs

Tarwi (Lupinus mutabilis S.) is a legume native to the Andes, recognized for its high nutritional value, which gives it great potential in food security programs. Therefore, understanding and advancing the conservation of its morphological diversity is essential. In this study, 140 accessions from the national germplasm collection of the National Institute of Agrarian Innovation...

Composting in agroecology: Effects on soil structure, nutrient availability and beneficial microorganisms

Composting is a key strategy in agroecology that improves soil fertility without causing negative environmental effects. Unlike synthetic fertilizers, compost promotes soil regeneration by increasing its organic matter content, enhancing its structure, and stimulating beneficial microbial activity. This review article examines how composting optimizes the physical, chemical, and...

Supplementation of feed blocks to the basal diet of native forage improves digestibility and ruminal fermentation in late-gestation sheep

The nutrient content of available native fodders for sheep under tropical conditions is low, while the nutrient requirements of sheep, particularly during late pregnancy, are high. This study aimed to enhance the nutritive value of various indigenous fodders using formulated feed block supplementation to address nutrient insufficiency in late-pregnant crossbred Batur sheep. Five...

The role of polyphenols in food safety: mitigating the formation of acrylamide and hydroxymethylfurfural and their health risks

The formation of toxic compounds such as acrylamide (AA) and hydroxymethylfurfural (HMF) during thermal food processing (>120 °C) represents a significant risk to human health, as they have been associated with neurotoxic, genotoxic, and carcinogenic effects. However, several studies have shown that polyphenols can reduce the levels of these toxic compounds. In this context, this...

Integrating SEM-PLS and NCA to reveal the mediating role of leaf nutrient status in linking soil nutrient availability and oil palm yield in peatlands

The expansion of oil palm plantations into peatlands presents a critical area of study, particularly in understanding how nutrient dynamics and groundwater management influence oil palm yield. This research was conducted on smallholder oil palm plantations comprising 8-10-year-old palms cultivated on peat soils in Bengkalis Regency, Riau Province. A completely randomized block...

Socioeconomic factors determining the production of smallholder farmers of organic quinoa in the Peruvian Andes

Organic quinoa (Chenopodium quinoa Wild) cultivation embodies a holistic agricultural approach, integrating biological fertilizers to curtail reliance on insecticides and synthetic fertilizers and low levels of greenhouse gases. The objective of this paper was to identify the socioeconomic factors that determine smallholder farmer organic quinoa production. The socioeconomic...

Effect of exogenous proline on the production and partitioning of dry matter and on the organic carbon content at different stages of the tomato plant

Water limitation is one of the most serious problems in tomato production, responsible for a significant reduction in productivity and fruit quality. In this context, the application of exogenous proline may be an alternative for plants to deal with possible water stress. The objective of this work was to evaluate the production, dry matter mass partition and organic carbon...

Soil variability in a toposequence of the Monzón Valley, high jungle of Peru: Morphology, properties and classification

Knowing the taxonomy, mineralogy, and properties of soils is essential to understand their genesis, functionality, and potential use, and it is fundamental for implementing land-use planning and to characterize soil use management systems. The objective of this study was to describe and correlate the taxonomic characteristics (Soil Taxonomy and World Soil Classification...

Relationship between isotopic response (δ13C) and physicochemical properties: Taxonomy of soils in the Monzón Valley in the high jungle of Peru

Identifying the carbon isotopic ratio is valuable for analyzing and understanding soil classification and dynamics. This study evaluated and related the soil isotopic ratio and its main properties (physicochemical) in the Monzón Valley. Fifteen pits were sampled within the strata of a toposequence. δ13C was determined using an isotope ratio mass spectrometry system coupled with...

Distribution dynamics of nutrient and biomass in yacon organs

Studies on nutrient absorption patterns allow for the identification of periods of peak nutritional demand, the amount of nutrients accumulated in each organ, the quantity exported by harvest, and the necessary replenishment to the soil. These insights are crucial for developing effective fertilization programs for crops. This study aimed to determine the nutrient absorption...

Contribution of trees to carbon stocks in urban-rural ecosystems: Taxonomic, phylogenetic, and functional diversity in response to bioclimatic and geographic factors

Tree diversity plays a key role in mitigating climate change and enhancing ecosystem resilience. This study evaluated the contribution of trees across three habitats within the urban-rural gradient of Sucre, Bolivia: urban (UF), native (NF), and exotic (EF). Carbon sequestration, as well as taxonomic (TD), phylogenetic (PD), and functional (FD) diversity, were analyzed in...

Agroforestry and montane forest management as strategies to mitigate carbon loss and sustain ecosystem functions in the Central Andes of Peru

Land-use change in the Central Andes of Peru has led to the widespread conversion of tropical montane forests, significantly reducing their carbon storage capacity. This study estimated aboveground and soil carbon stocks across a disturbance gradient: croplands (C), agroforestry systems (AF), regenerating montane forests (BMR), and conserved montane forests (BMC). Using...

Autotrophic in vitro culture method, inoculated with native arbuscular mycorrhizae, for the adaptation of trap plants of the Asteraceae family

The implementation of autotrophic in vitro culture systems is revealed as a crucial strategy for the multiplication of native arbuscular mycorrhizal fungi, as it plays a fundamental role in restoring the sustainability of agricultural systems that have suffered degradation. The objective of the research was to establish an autotrophic in vitro culture method using two trap plants...

Nutrients and foods associated with people's emotional state: Scientific advances and future perspectives

This review is scientific research that seeks to explore the relationship between the consumption of certain foods and the emotional state, determining the effects that these foods produce when consumed by individuals. The intake of specific foods containing certain functional properties may help enhance our emotional health. There are particular nutrients present in certain...

Polyphenols and theobromine in cacao (Theobroma cacao): Compositional changes across variety, growing region, fermentation, drying and roasting

In recent years, cacao and its derivatives have gained significant attention due to their potential health benefits. The primary bioactive compounds in cacao are polyphenols and methylxanthines, predominantly represented by theobromine. Their concentrations vary widely, influenced by cacao variety, growth region, and postharvest processing. Fermentation typically leads to a...

Agricultural zoning of climatic risks for quinoa (Chenopodium quinoa Willd) cultivation in the Peruvian Altiplano

The objective of this study was to conduct agricultural zoning of climate risk for quinoa cultivation. Data from 38 meteorological stations of the National Meteorology and Hydrology Service in Puno region were used. The zoning was based on the development of the water balance model, applying the water requirement satisfaction index (ISNA), for two levels of soil available water...

Impact of land use change and climate on the Brazilian Amazon: a review on carbon stocks and greenhouse gas emissions

Historically, land-use changes in the Brazilian Amazon, such as the conversion of forests to pastures, have significantly impacted carbon and nitrogen cycles, contributing to greenhouse gas emissions and potentially compromising environmental sustainability. This review explores the effects of these changes on soil carbon and nitrogen stocks, emphasizing the role of sustainable...

Effects of six compost products on soil organic carbon and nitrogen levels in alfisol, rice yields, and diazotrophic endophytic populations

The decrease in nutrient content in the soil occurs because of an imbalance between nutrient intake and loss. This study aimed to evaluate the effect of applying six types of compost products, with different compost materials and bioactivators, on the soil organic carbon (SOC) and total nitrogen (TN) levels in Alfisol, on rice yields, and diazotrophic endophytic populations. The...

UV-C priming enhances antioxidant mechanisms and bioactive compound biosynthesis in broccoli sprouts

Foods as a source of bioactive compounds has led to the development of agronomic strategies to enhance their levels. In this study, the effect of UV-C radiation as a pre-germinative treatment on broccoli was evaluated. Key parameters were analyzed, such as stress markers (proline and H2O2), photosynthetic pigments (chlorophylls and carotenoids), total phenolic compounds, total...

Controlled-release nanofertilizer using chitosan nanoparticles loaded with NPK: Development and impact on the yield and nutritional quality of Solanum tuberosum

In recent years, nanotechnology has made significant progress in various fields, including agriculture, where nanofertilizers play a pioneering role in improving crop productivity and reducing environmental pollution. In this study, a controlled-release nanofertilizer was developed using chitosan nanoparticles loaded with nitrogen (N), phosphorus (P), and potassium (K). The...

Diversidad genética de aislados bacterianos antagónicos obtenidos de Theobroma cacao L. para el control de Fusarium oxysporum f. sp. cubense raza 1

The banana (Musa AAA) is affected by Fusarium oxysporum f. sp. cubense, which causes discoloration in the xylem duct, leading to terminal wilting. The use of plant growth promoting rhizobacteria (PGPR) as a biological control produces different antagonistic compounds and inhibits the growth of various phytopathogens. The objective of the study was based on the molecular...

LiDAR imagery-based relief interpretation for soil organic carbon (SOC) estimation in the Quaternary Sumbing and Tertiary Kulon Progo Volcano Transition Zone, Central Java, Indonesia

Typically, the transition zone of quaternary and tertiary volcanoes is a potential area for agricultural development but is prone to landslides. Landslide occurrences and the use of former landslide zones exhibit a distinct soil organic carbon (SOC) distribution, necessitating analysis to sustain agricultural output. Laboratory SOC measurements on landscape size are not expedient...