N. Chandra Sekaran
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View article: Vertical Assessment of Soil Quality In Permanent Manurial Experiment of Dryland Ecosystem, Tamil Nadu, India
Vertical Assessment of Soil Quality In Permanent Manurial Experiment of Dryland Ecosystem, Tamil Nadu, India Open
View article: Influence of biochar on soil available nutrient contents in cropping sequence (Cotton-maize-mowpea)
Influence of biochar on soil available nutrient contents in cropping sequence (Cotton-maize-mowpea) Open
Application of biochar had significantly increased the available N, P and K contents in the post harvest soil of cotton field. However, the effect was increased with corresponding increase in the rate of application of biochar. Significant…
View article: Study on economics of biochar application in cotton – maize – cowpea cropping sequence under integrated nutrient management
Study on economics of biochar application in cotton – maize – cowpea cropping sequence under integrated nutrient management Open
The highest net return was found in continuous application (two times) especially in the treatment biochar @ 10 t + 100 % NPK + FYM with Rs.67,928 ha-1 followed by biochar @ 10 t + 75 % NPK + FYM treatment with Rs.67,172 ha-1. The next hig…
View article: Influence of Biodegradable Polymer Coated Urea on Nitrogen Uptake and Utilization of Maize (Zea mays L)
Influence of Biodegradable Polymer Coated Urea on Nitrogen Uptake and Utilization of Maize (Zea mays L) Open
Controlled release nitrogen fertilizers could be an excellent management approach for improving nitrogen fertilizer efficiency. The present study aimed to investigate the effect of coated urea fertilizers to increase nitrogen uptake and ut…
View article: Influence of Long Term Fertilization and Manures on Soil Physical and Chemical Properties of Udorthentic Chromusterts
Influence of Long Term Fertilization and Manures on Soil Physical and Chemical Properties of Udorthentic Chromusterts Open
To study the effect of different nutrient management practices on different soil physical and chemical properties in the permanent manurial experiment field of Tamil Nadu Agricultural University, which was established during 1982 at Agricu…
View article: Effect of drip irrigation and fertigation levels on physiological parameters and yield of aerobic rice
Effect of drip irrigation and fertigation levels on physiological parameters and yield of aerobic rice Open
A Field experiment was conducted at Department of Agronomy, Tamil Nadu Agricultural University, Coimbatore during rabi season of 2019 to study about the changes in the physiological parameters of aerobic rice under different drip fertigati…
View article: Effect of biodegradable polymer coated urea fertilizers for the growth and yield of hybrid maize (Zea mays L.)
Effect of biodegradable polymer coated urea fertilizers for the growth and yield of hybrid maize (Zea mays L.) Open
Urea is an instantaneous fertilizer, releasing nitrogen (N) rapidly after application to soil as it is effectively lost as ammonia volatilization and nitrate leaching which causes nitrogen inadequacy around roots and in the long run causes…
View article: Effect of sowing window and nutrient management on blackgram under rice fallow condition
Effect of sowing window and nutrient management on blackgram under rice fallow condition Open
Field experiment was conducted at wetlands farm of Tamil Nadu Agricultural University, Coimbatore during January to April 2019 to study the effect of sowing window and nutrient management on blackgram under rice fallow condition. The resul…
View article: Soil Physical Properties of TNAU – Research Farms, Coimbatore
Soil Physical Properties of TNAU – Research Farms, Coimbatore Open
The physical properties of 14 pedons representative of various soil series inthe research farms of TNAU, Coimbatore were studied during 2017-19. Thedepth of soils ranged from shallow (150cm). Soildepth was shallow in a steep slope, whereas…
View article: Assessing Sulphur Nutrition to Enhance the Yield and Quality of Small Onion (Allium cepa var. aggregatum) Grown in Sulphur Deficient Soil
Assessing Sulphur Nutrition to Enhance the Yield and Quality of Small Onion (Allium cepa var. aggregatum) Grown in Sulphur Deficient Soil Open
A field experiment was conducted to assess the impact of sulphur fertilisation on the yield and quality of small onion (CO (On) 5) grown in S deficient black soil (Vertic Ustropept) which was sandy loam in texture with available S content …
View article: Evaluating sulphur nutrition to improve the yield and quality of aggregatum onion (Allium cepa var. aggregatum) grown in Sulphur deficient soil
Evaluating sulphur nutrition to improve the yield and quality of aggregatum onion (Allium cepa var. aggregatum) grown in Sulphur deficient soil Open
A field experiment was conducted to assess the impact of sulphur fertilisation on the yield and quality of aggregatum onion (CO (On) 5) grown in S deficient black soil (Typic Ustropept) which was sandy loam in texture with available S cont…
View article: Effects of Flubendiamide and A Lactic Acid Bacterial Formulation on Stem Borer Scirpophaga incertulas Walker and its Parasitoids in Rice
Effects of Flubendiamide and A Lactic Acid Bacterial Formulation on Stem Borer Scirpophaga incertulas Walker and its Parasitoids in Rice Open
Pesticides are predominantly used to manage rice yellow stem borer (YSB), Scirpophaga incertulas Walker, killing both pests and natural enemies.Used as biofertilizers, phytostimulators, rhizoremediators and biopesticides in crop production…
View article: Effect of levels of sulphur from various sources on sulphur transformations in onion growing soils
Effect of levels of sulphur from various sources on sulphur transformations in onion growing soils Open
Sulphur (S) deficiency is widespread in Indian soils, and it has been emerging as a major limitation in Onion production. Onion being a sulphur loving crop, sulphur fertilisation to onion is important, and, therefore, to assess the supply …
View article: Effect of flubendiamide and a lactic acid bacterial formulation on leaffolder, Cnaphalocrocis medinalis Guenee and natural enemies in rice
Effect of flubendiamide and a lactic acid bacterial formulation on leaffolder, Cnaphalocrocis medinalis Guenee and natural enemies in rice Open
Pesticides are predominantly used to manage rice leaffolder, Cnaphalocrocis medinalis Guenee, killing both pests and natural enemies. Used as biofertilizers, phytostimulators, rhizoremediators and biopesticides in crop production, lactic a…
View article: Prediction of hydraulic conductivity and correlating it with soil properties for Coimbatore district
Prediction of hydraulic conductivity and correlating it with soil properties for Coimbatore district Open
In this study, the saturated hydraulic conductivity was indirectly predicted from soil textural data and the effect of other soil factors on hydraulic conductivity was examined. The study was conducted in Coimbatore district, Tamil Nadu. T…
View article: Trend Analysis of Rainfall Intensity in Tiruchirappalli District of Tamil Nadu
Trend Analysis of Rainfall Intensity in Tiruchirappalli District of Tamil Nadu Open
Rainfall is the dynamic weather parameter having a significant role in the agriculture livelihood. Growth in agriculture and other related sectors depends mainly on the adequate amount and timely availability of rainfall. Variability in pr…
View article: Effect of Long Term Fertilization on Soil Nutrient Status and Yield of Hybrid Maize under Finger Millet-Maize Cropping Sequence in an Irrigated Inceptisol
Effect of Long Term Fertilization on Soil Nutrient Status and Yield of Hybrid Maize under Finger Millet-Maize Cropping Sequence in an Irrigated Inceptisol Open