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Aariff Khan, M. A.
- Physical Properties of Different Soil Profiles of Agro-Biodiversity Park of Acharya N.G. Ranga Agricultural University, Hyderabad, Andhra Pradesh
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Affiliations
1 Department of Soil Science, AICRP on Agroforestry, Acharya N.G. Ranga Agricultural University, Rajendranagar, Hyderabad (A.P.), IN
1 Department of Soil Science, AICRP on Agroforestry, Acharya N.G. Ranga Agricultural University, Rajendranagar, Hyderabad (A.P.), IN
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An Asian Journal of Soil Science, Vol 6, No 2 (2011), Pagination: 215-220Abstract
In the present study twenty representative pedons were selected based on topography from various physiographic units identified in Agro Bio Diversity Park (ABDP) of Acharya N. G. Ranga Agricultural University, Rajendranagar, Hyderabad. On the basis of geomorphic units, soils were selected from upland, midland and lowland. All the pedons were studied for their morphological characteristics and horizon wise samples were processed for physical and described morphologically. Based on morphology and analytic data profiles were characterized. The soils were very shallow to deep (10 to 60 cm), dark red to very dark grayish brown (2.5 YR 3/6 – 10YR 3/2) and well drained. The results showed that variation in soil properties strongly influenced the land form and topography. The analysis of soils indicate that the upland soils are shallow, midland and lowland soils are medium to deep, but along the slope the depth of soil increased along with other physical properties like clay, available water content, infiltration rate and bulk density. Soil texture was sandy loam to sandy clay loam with variation in relation to physiography. The upland soils were exhibiting higher bulk density, particle density and lower available water content, where as midland and lowland soils were recorded higher available water content, infiltration rate and clay percentage.Keywords
Agrobiodiversity Park, Physical Properties, Soil Profiles.
- Effect of Biofertilizers on Crop Yield and Soil Available Nutrients of Rice and Maize in Alfisols of Nagarjuna Sagar Left Canal Command Area of Andhra Pradesh, India
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Authors
Affiliations
1 Department of Soil Science, District Agricultural Advisory and Technology Transfer Center, Adilabad (A.P.), IN
2 AICRP, Agroforestry, Acharya N.G. Ranga Agricultural University, Hyderabad (A.P.), IN
1 Department of Soil Science, District Agricultural Advisory and Technology Transfer Center, Adilabad (A.P.), IN
2 AICRP, Agroforestry, Acharya N.G. Ranga Agricultural University, Hyderabad (A.P.), IN
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An Asian Journal of Soil Science, Vol 5, No 1 (2010), Pagination: 200-203Abstract
On farm field experiment with the participation of farmers the effect of biofertilizers on soil fertility and crop yield of rice and maize was studied in Alfisols during Kharif 2006 and Rabi 2006-07, respectively at Pilot area Ganapavaram of Nagarjuna Sagar Project left canal command under area located in Kodad mandal of Nalgonda district, Andhra Pradesh was conducted in A.P. Water Management Project affiliated to Acharya N.G. Ranga Agricultural University, Hyderabad. In rice the high yield was observed in RDF+application of biofertilizers (6800 kg ha-1) followed by Farmers practice (6600 kg ha-1). Similarly in maize the high yield was recorded in RDF+biofertilizers (6500 kg ha-1) followed by 6150 kg ha-1 in 25% low RDF+bio fertilizers. There was no difference in pH when compared to initial soil status but there is slight decrease in EC. The change in organic carbon content was more in rice treatments than maize, the OC content was decreased in all treatments when compared to initial status. Increasing the availability of N was more in RDF+Biofertilizers followed by farmers practice in Kharif rice and decreased in 25% low RDF+Biofertilizers and RDF. Where as in Rabi maize the availability of N content was decreased. The P availability was increased in all the treatments in Kharif rice, where as in Rabi maize there was no much difference. K availability was decreased more in RDF followed by 25% low RDF+application of biofertilizers both in rice and maize.Keywords
Biofertilizers, Nutrient Availability, Rice, Maize, NSP Left Canal Command Area.- Stabilizing Crop Productivity Returns and Soil Improvement by Agroforestry Practices Under Marginal Lands in Semi-Arid Tropics of Telangana State, India
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Authors
Affiliations
1 Department of Agronomy, AICRP on Agroforestry, Professor Jayashankar Telangana State Agricultural University, Rajendranagar, Hyderabad, (Telangana), IN
2 Department of Soil Science, AICRP on Agroforestry, Professor Jayashankar Telangana State Agricultural University, Rajendranagar, Hyderabad, (Telangana), IN
3 Department of Agronomy, College of Agriculture, Palem, Nagarkurnool (Telangana), IN
1 Department of Agronomy, AICRP on Agroforestry, Professor Jayashankar Telangana State Agricultural University, Rajendranagar, Hyderabad, (Telangana), IN
2 Department of Soil Science, AICRP on Agroforestry, Professor Jayashankar Telangana State Agricultural University, Rajendranagar, Hyderabad, (Telangana), IN
3 Department of Agronomy, College of Agriculture, Palem, Nagarkurnool (Telangana), IN
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An Asian Journal of Soil Science, Vol 12, No 2 (2017), Pagination: 290-295Abstract
Different agroforestry trials conducted in Agroforestry Research blocks, Professor Jayashankar Telangana State Agricultural University, Hyderabad has showed higher economic gain in marginal lands. Sunflower grown when inter cropped in Hardwickia binata after stylo recorded higher seed yield (342 kg ha-1) than grown after fallow in Hardwickia binata (248 kg ha-1). The net returns from tree and crop were considerably higher when sunflower grown as inter crop in Hardwickia binata Rs. 6593 ha-1. The Faidherbia albida (13 years age old) trial revealed that seed yield of maize+soybean when grown as inter crop was higher (2.94 t ha-1) when compared to sole cropped maize without trees (1.7 t ha-1). Due to shade effect of tamarind, after 8 years the same system was converted to horti-horti system for better land utilization by planting economic demand plants such as henna. The higher fresh biomass production of henna (640 kg ha-1) recorded in double row planting when compared to single row. The soil productivity and fertility was improved in degraded marginal lands by different agroforestry practices. Pertaining to soil improvement over initial in different agroforestry practices the influence of different land use systems on soil properties and nutrient status revealed that bulk density reduced in surface and sub-surface soil in all tree based systems as compared to fallow (1.65 and 1.68 mg m-3) and agricultural lands. The water holding capacity and infiltration rate was maximum in agri-horti system 30.0 and 30.0 per cent at 0-15 and 15-30 cm depth, respectively. Nutrient status and organic carbon was more in soils with tree plantation. Soil enrichment found in marginal lands in different agroforestry practices such as Melia azedarach based agri-silvi system, the conjoint use of 75% RDN+25% N poultry manure showed significant effect on OC (0.59%) and available NPK (150.0, 24.95, 210.0 kg ha-1) followed by 100% RDF (0.55% and 147.0,24.00,216.0 kg ha-1). In case of Melia dubia based silvi-pasture system, the OC and available N and P significantly affected by type of fodders and nutrient management over farmers practice i.e. FYM 10 t ha-1. But there is no significant effect by interactions. The highest OC content recorded in fodder maize (0.52%) than sorghum (0.46%). In case of available N and P the significant effect found with fodder sorghum (152.0 and 51.00 kg ha-1) than maize (109 and 22.42 kg ha-1).Keywords
Agroforestry Practices, Soil Improvement, Tree Crop Relation.References
- Aariff Khan, M.A. and Krishna, A. (2017). Marginal lands productivity and fertility increased by different agroforestry systems in semi-arid tropics of Telangana state, India. Inter. J. Tropi. Agric, 35 (1): 89-99.
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- Wilde, S.A., Gorney, R.B., Iyer, I.G. and Voiget, G.K. (1972). Soil and plant analysis for tree culture. Oxford & IBH Publishers., NEW DELHI, INDIA.
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- Climate Change Smart Option and Doubling Farmer’s Income through Melia dubia-Based Agri-Silviculture System
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Authors
Affiliations
1 Department of Agronomy, College of Agriculture, Professor Jayashankar Telangana State Agricultural University, Rajendranagar, Hyderabad 500 030,, IN
2 Krishi Vigyan Kendra, Kampasagar, Nalgonda district 508 278, IN
3 AICRP on Agroforestry, Rajendranagar, Hyderabad 500 030, IN
1 Department of Agronomy, College of Agriculture, Professor Jayashankar Telangana State Agricultural University, Rajendranagar, Hyderabad 500 030,, IN
2 Krishi Vigyan Kendra, Kampasagar, Nalgonda district 508 278, IN
3 AICRP on Agroforestry, Rajendranagar, Hyderabad 500 030, IN
Source
Current Science, Vol 118, No 3 (2020), Pagination: 444-448Abstract
A field experiment was carried out to estimate biomass production, carbon stock and economic performance of Melia dubia under agri-silviculture system. The grain yields of pearl millet were significantly lower under M. dubia plantations (852–2920 kg ha–1) compared to sole crop without trees (3182 kg ha–1). Maximum biomass production of 6-yr-old M. dubia planting was recorded as 74.9 t ha–1 and minimum was 53.9 t ha–1. Contribution of M. dubia to total carbon stock and carbon dioxide sequestration was observed in the range 27.0–37.5 and 98.9–137.5 t ha–1 respectively. The net returns obtained from the tree were lowest ( 116,134–182,885 ha–1) when compared to the tree + crop ( 139,953–209,650 ha–1) system. The lowest net returns were observed in sole crop without trees ( 27,351 ha–1). Thus, M. dubia plantations contributed towards higher carbon dioxide sequestration and economic performance of agri-silviculture system was higher compared to sole crop.Keywords
Agroforestry, Biomass, Carbon Stock, Melia bubia.Full Text
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