Manimaran Gajendiran

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Verified

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• Master of Science
• Doctoral Student at Tamil Nadu Agricultural University

Silicon is an essential mineral that plays a crucial role in increasing plant growth, improving crop yields, and imparting resilience against environmental stresses. This study explored the silicate solubilization potential of Achromobacter sp. L1C9T2, Bacillus altitudinis L3C3T2, Bacillus safensis L5C13T, Bacillus altitudinis SSB4, and Priestia ar...

Intensive agricultural practices have resulted in in significant soil degradation, nutrient imbalances and the decline of vital ecosystem services, thereby necessitating the adoption of i sustainable land-use strategies. Agroforestry, an integrated land management system that combined with crops and livestock, played a key role in restoring soil he...

Bananas have different ploidy levels, including diploid, triploid and tetraploid, while triploids are most widely used in breeding programs. Although diploid and tetraploid plants have the potential to improve yield and other agronomic traits, they remain underutilized in crop improvement. This study uses multivariate analysis to evaluate the morph...

Alterations in land patterns in Kolli Hills(KH) of the Eastern Ghats, Tamil Nadu, transitioning from native ecosystems to various land uses, have notably diminished soil carbon concentrations. To measure this reduction, the Carbon Management Index (CMI) was evaluated across key land-use categories, including Agricultural System (AS), Horticultural...

Quorum sensing (QS) mechanisms play an essential role in mediating several signals and plant-bacteria interactions, promoting plant growth. This study demonstrated production of multiple Homoserine lactone (HSL) molecules like C6 HSL, C7 HSL, C8 HSL, 3-Hydroxy-C8-HSL and 3-oxo-C14 HSL in rhizobial and passenger endophytes and phyllospheric bacteria...

Salinity stress poses a critical threat to global crop productivity, driven by factors such as saline irrigation, low precipitation, native rock weathering, high surface evaporation, and excessive fertilizer application. This abiotic stress induces oxidative damage, osmotic imbalance, and ionic toxicity, severely affecting plant growth and leading...

Soil quality indices (SQIs) assess an ecosystem’s susceptibility to land-use change (LUC), highlighting the impacts on soil parameters. This study developed an SQI for six ecosystems in the Kolli Hills (KH), Eastern Ghats (EG), India: evergreen forest (EF), deciduous forest (DF), thorn forest (TF), agricultural system (AS), horticulture system (HS)...

Biological equilibrium has been disturbed by significant land use changes in recent years in the Eastern Ghats of India, which has worsened soil quality and compromised vital ecosystem services. To determine the effect of changes in land use on the balance of soil carbon, this study was carried out in Kolli hills, a portion of the Eastern Ghats tha...

Using chemical fertilizers extensively in small farms has helped increase crop yields, supporting food security and economic growth. However, recent studies show that these fertilizers are often used inefficiently and inconsis tently. This leads to environmental harm, unbalanced soil nutrients, and lower-quality food production. These issues thre...

Our investigation revealed that alterations in sulphur (S) pools are predominantly governed by soil organic carbon (SOC), soil nitrogen (N), microbial biomass, and soil enzyme activities in sandy clay loam (Vertic Ustropept) soil. We employed ten sets of nutrient management techniques, ranging from suboptimal (50% RDF) to super-optimal doses (150%...

The bioavailability of iodine is influenced by the various types of iodine found in sediment as well as the time of iodine administration. The prevalence of iodine deficit is extensive; nevertheless, the bioavailability of iodine may be constrained due to the volatilization of iodine that is lost from the soil, leading to the occurrence of iodine s...

Our investigation revealed that alterations in sulphur (S) pools are predominantly governed by soil organic carbon (SOC), soil nitrogen (N), microbial biomass, and soil enzyme activities in sandy clay loam soil. We employed ten sets of nutrient management techniques, ranging from suboptimal (50% RDF) to super-optimal doses (150% RDF), including NPK...

Background: Iodine is found in soils in both inorganic and organic forms [Iodate-(IO3-) and Iodide-(I-)]. Iodine is highly prone to leaching and volatilization which results in iodine depletion in soils. Crops cultivated in these soils will be lacking in iodine and humans and animals eating food grown in these soils will be deficient in iodine. Num...

Background: Even though iodine is not an essential micronutrient for the plant, it is very much needed for a person's mental and physical development. Due to the presence of negative charge on iodine it is highly susceptible to leaching. Further iodine is also highly prone to volatilization loss due to biochemical and physiochemical properties of s...

Water is an essential component of agricultural production and is crucial to food security. Twenty percent of all cultivated land is used for irrigation agriculture, which contributes forty percent of all food produced globally. The productivity of irrigated agriculture is typically at least twice that of rainfed agriculture per unit of land, allow...

A field experiment was conducted to evaluate the impact of crop productivity and soil nutrient availability under continuous cropping and fertilization. A single nutrient application or omission of nutrient or mineral fertilizer alone can deteriorate the soil nutrient availability and yield in long run. The result revealed that soil pH and EC have...

Soil is a non-renewable and highly valuable natural resource. Its losses and degradation is not recoverable within a life span. Salinity is one of the most brutal environmental factors limiting the productivity of crop plants because most of the crop plants are sensitive to salinity caused by high concentrations of salts in the soil, and the area o...