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P. N. Siva Prasad

Publications (8)

Impact of Zinc Fertilization on Tomato (Solanumlycopersicum L.) Yield, Zinc use Efficiency, Growth and Quality Parameters in Eastern Dry Zone(EDZ) Soils of Karnataka, India

P. N. Siva Prasad, C. T. Subbarayappa, A. Sathish & V. Ramamurthy · International Journal of Plant & Soil Science · 2021

The present investigation was carried out with one green house experiment at the University of Agricultural Sciences, Bangalore during 2016-17 and two field experiments during 2017-18 at tomato growing soils of eastern dry zone (EDZ), Karnataka to assess the impact of zinc on tom...

Open access Research Article 10.9734/ijpss/2021/v33i730447

Quantifying and Mapping of Major, Secondary and Micronutrient Status of Tomato Growing Soils in Kolar District, Karnataka Using GIS and GPS Approach

P. N. Siva Prasad, C. T. Subbarayappa, V. Ramamurthy & A. Sathish · International Journal of Plant & Soil Science · 2020

Assessment of land use-induced changes in soil properties is essential for addressing issues of spatial variability in soil fertility and sustainable land productivity. In view of this, a study was conducted to assess the impact of spatial variability on physicochemical propertie...

Open access Research Article 10.9734/ijpss/2020/v32i1430363

Spatial Distribution and Mapping of Available Micro Nutrient Status in Relation to Soil Properties of Tomato Grown Soils of Chikkaballapura District, Karnataka

P. N. Siva Prasad, C. T. Subbarayappa & A. Sathish · International Journal of Plant & Soil Science · 2020

GPS based soil survey was conducted in the tomato growing areas of Chikkaballapura district, Karnataka to map the soil fertility status by using Arc GIS 10.4 software. Seventy five surface soil samples were taken from the tomato growing areas of the district and analysed for text...

Open access Research Article 10.9734/ijpss/2020/v32i1030331

Study on the Incidence of Sucking Pests and Pink Bollworm in Cotton

N. Rajasekhar, P. Venkata Subbaiah, P. N. Siva Prasad, M. Raja Narasimha & I. Venkata Reddy · Journal of Experimental Agriculture International · 2023

Sucking pests and pink bollworm are serious pest of cotton one after the other in India by causing serious yield losess. The present investigation was carried out in three major cotton growing mandals of NTR district to understand the level of pest incidence in Bt cotton during K...

Open access Research Article 10.9734/jeai/2023/v45i72128

District Agro Meteorological Advisory Services in Agriculture, Horticulture and its Allied Sectors in NTR District of Semi Arid Region of South Coastal Andhra Pradesh, India

M. Raja Narasimha, S. Krishnam Raju, I. Venkata Reddy, P. N. Siva Prasad & N. Rajashekar · International Journal of Plant & Soil Science · 2023

Agriculture is the main economy for rural population over 70 per cent of Indian population depends on agriculture directly or indirectly. Agriculture plays important role in rural economy. Weather plays crucial role in agriculture. Timely weather forecasting plays main role in ag...

Open access Research Article 10.9734/ijpss/2023/v35i183331

Training need Assessment and Knowledge of Village Agricultural Assistants of NTR District of Andhra Pradesh

I. Venkata Reddy, P. Venkata Subbaiah, Raja Narasimha, P. N. Siva Prasad & N. Raja Sehkar · Asian Journal of Agricultural Extension, Economics & Sociology · 2023

The present study was designed to assess the training need and knowledge level of village agricultural assistants NTR district of Andhra Pradesh. A total sample of 60 village agricultural assistants working in Rythu Bharosa Kendra’s were taken for the study. The major findings of...

Open access Research Article 10.9734/ajaees/2023/v41i82003

An Analysis of Impact of COVID -19 on Agriculture, Horticulture Crops and Livetocks in Krishna District, India

I. Venkata Reddy, P. Venkata Subbaiah, Raja Narasimha, P. N. Siva Prasad & N. Rajasehkar · Asian Journal of Agricultural Extension, Economics & Sociology · 2023

The current study was carried out in Krishna District of Andhra Pradesh. Krishna district mainly agrarian district. The major agricultural crops grown in the district are paddy, cotton, Maize, blackgram, greengram, sugarcane, Groundnut Similarly, horticultural crops are chillies,...

Open access Research Article 10.9734/ajaees/2023/v41i81995

Impact of Agrometerology Advisory Services (AAS) for Assessment of Cotton Cropping System in NTR District of Andhra Pradesh, India

M. Raja Narasimha, P. Venkata Subbaiah, I. Venkata Reddy, P. N. Siva Prasad & N. Raja Sekhar · International Journal of Environment and Climate Change · 2023

The survey was conducted from June 2022 to January 2023 to study the impact of Agro meteorology Advisory Services and to know the increases of production of cotton crops concerning the effect of weather parameters in selected villages under the DAMU project in NTR district, Andhr...

Open access Research Article 10.9734/ijecc/2023/v13i71902