Farming system studies in high altitude and tribal area of Srikakulam district of Andhra Pradesh state in East Coast Plain and Hills Agro-climatic zone East coast plains, hot, sub humid to semi arid eco region (S7 Cd 2-5). Agro-ecological region with 915 mm rainfall distribution in 55 rainy days reveals farmer needs to be supported with finance during initial 3 years period @52.23 per cent, 37.46 per cent and 21.75 per cent of recurring cost, respectively. Net returns are getting doubled in first year of intervention itself. The increase income is attributed to increase in income from intervention in paddy crop, introduction of maize crop, feeding of supplement feed to the cattle and also the introduction of Vanaraja back yard poultry birds.
A field experiment was conducted at Agricultural Research Station, Vizianagaram during kharif, 2017 to know the fertilizer responsiveness of improved short duration finger millet genotypes. Experiment was conducted in split plot design with NPK fertilizer levels were assigned to main plots and improved finger millet genotypes were assigned to subplots. Results revealed that among the NPK fertilizer levels, performance of growth as well as yield attributes of finger millet at 100% RDF was on par with 125% RDF, however it was significantly superior over 75% RDF. Similarly yield and economics in 100%RDF was onpar with 125% RDF. Among the finger millet genotypes, highest growth, yield attributes, yield and economics were recorded in VL 386 when compared to other genotypes.
Experiments were conducted during Kharif and Rabi seasons of 2015-16 and 2016-17 in farmers fields to study the effect of different agronomic management practices on yield and net returns of rice-rice cropping system in 2 different mandals of Srikakulam district of Andhra Pradesh. The results revealed that yields of rice-rice cropping system were significantly higher over farmer's practices, by adoption of all the recommended package of practices which includes maintenance of optimum plant population and application of recommended dose of NPK and zinc fertilizers at right stages of the crop growth to both the crops in the cropping system.
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