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Journals
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Dadhwal, K. S.
- Growth and Yield of Wheat as Affected by Boundary Plantation of Populus deltoides M. in Western Uttar Pradesh
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Indian Forester, Vol 133, No 7 (2007), Pagination: 899-908Abstract
Wheat (Triticum aestivum L.) is one of the most important rabi (winter ) crops being grown with association of boundary plantations of poplar. Growth environment of wheat may be modified and differ from that of pure agricultural system due to shading, competition for nutrients as well as moisture when grown with association of poplar. The aim of this study was to determine the effect of poplar (Populus deltoides M.) boundary plantations on growth and yield of wheat (Triticum aestivum L.) under irrigated condition. The adverse effect of poplar trees on wheat growth increased with advancement in tree age. No significant adverse effect was noticed on wheat grain yield when grown with association of 3 year old boundary plantations of poplar. Whereas, decline of 15.5% was recorded up to a distance of 3 m from the tree base due to 4 year old plantation. Among growth parameters, plant population of wheat suffered heavily up to a distance of 9m. However, relative proportion of effective tillers, dry matter production, 1000 grain weight, straw yield and leaf area index increased significantly between 3-9m distance from tree line, depending upon the age of plantation. Thus, it is inferred that the age of trees was found one of the important factors which influenced both growth and yield of wheat grown adjacent to the tree line.- Effect of Poplar Leaves Incorporation on Growth and Yield of Wheat in Relation to Fertilizer Application
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Indian Forester, Vol 131, No 4 (2005), Pagination: 563-573Abstract
Poplar plantations, grown in association with wheat, are getting popularized with the farmers in India. Poplar is a deciduous tree and its leaf fall occurs before wheat sowing. Its leaves are buried in field during field preparations. Therefore, a pot study was conducted for two years to study the changes in growth parameters and yield of wheat due to presence of Poplar leaf litter (no litter; 10 g pot-1 and 15 g pot-1). Further, two levels of fertilizers (Mn , no fertilizer and M1, application of full recommended dose of fertilizer, @ 120, 60 and 40 kg ha-1 N,P,K, respectively) were kept to see the influence of mulch on the performance of wheat in combination with nutrients. Leaf litter used as a source of mulch during first and second year were from the 3 and 4 year old plantation, respectively. Growth and yield response of wheat to fertilizer were significantly superior than those of without fertilizer. Grain yield increased significantly when 15 g pot-l of 3 year old Poplar leaves were incorporated into soil. On the other hand, straw yield increased significantly when low dose (l0g pot-l) of 3 year old Poplar leaf was used. Better growth and higher grain yield were recorded when leaf litter was incorporated in combination with fertilizer and as well as with the higher doses of leaves. Results of pot experiment revealed that better growth and higher grain yield can be obtained by incorporating the Poplar leaf in combination with chemical fertilizers.- Nutrient Returns through Litter Fall in Populus deltoides Based Agroforestry System
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Indian Forester, Vol 126, No 3 (2000), Pagination: 295-299Abstract
Field study was carried out to assess the leaf litter production and quantity of nutrients returned to the soil through litter fall of Populus deltoides (boundary plantation) based agroforestry system under irrigated condition. Litter fall was restricted upto a distance of 9m from the tree line and total amount of 913.8 and 1291.8 kg ha-1 was estimated with 3 and 4 year old plantation, respectively. Maximum amount of leaf fall (46-57%) was collected from 0-3 m distance and reduced with increase in distance from tree line .. On an average, 557.4, 367.6 and 177.5 kg ha-1 leaflitter was collected between 0-3, 3-6 and 6-9m distance, respectively. Considerable amount of nutrients was recycled to the soil through leaf fall. The return of nutrients through leaf litter into the soil decreased in the order ofCa > N > Mg> K > P. It was estimated that highest calcium of 18.3-24.3 kg ha.1 , followed by nitrogen of 11.2-12.5 kg ha-l, magnesium of 7.8-10.0 kg ha-1 , potassium of 6.9-8.9 kg ha-1 , and phosphorus of 2.45-2.59 kg ha-1, was added/returned to the soil during winter leaf fall of Populus deltoides.- Management of Degraded Bouldery Riverbed Lands through Paulownia Based Silvipastoral Systems in Doon Valley
Abstract Views :258 |
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Indian Forester, Vol 138, No 3 (2012), Pagination: 243-247Abstract
The field experiment was conducted during the year 2001 to 2006 on marginal degraded bouldery riverbed lands of Doon Valley in North-West India under rainfed conditions. The performance of grasses viz Panicum maximum (fodder grass) and Eulaliopsis binata (industrial grass for fibre and paper pulp) was evaluated alone and in association with Paulownia fortunei with regard to growth parameters and biomass yield. Seventy five per cent lower portion of the tree crown was lopped every year in the month of October - November to obtain different forms of usable biomass (leaf fodder + fuel wood). The maximum height before lopping of the Paulownia tree was recorded 7.6 m with 17.7 cm Diameter at Breast Height (DBH) in the silvipastoral system, which produced 41.9, 55.6 and 97.5 q- Performance of some Plant Species in Limestone Mine Spoil
Abstract Views :173 |
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Indian Forester, Vol 124, No 3 (1998), Pagination: 261-263Abstract
No abstract- Effect of Forest Species on the Productivity of Groundstorey Crops
Abstract Views :174 |
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Indian Forester, Vol 125, No 8 (1999), Pagination: 788-793Abstract
The investigation was carried out at CSWCRTI, Research Farm, Selakui, Dehra Dun to see the productivity of groundstorey crops with different tree species. The cropping sequence (jowar-toria) was tested wi th three plantations i.e. Eucalyptus hybrid, Bombax ceiba and mixed plantations (natural) of Cassia jistula, Bombax ceiba, Acacia catechu, Lannea coromandalica and Dalbergia sissoo. It was observed that about 14.89, 12.79 and 12.14 tlha green fodder yield of jowar can be obtained with Bombax ceiba, Eucalyptus hybrid and mixed plantations, respectively. The trend was same with toria and seed yield recorded were 3.68, 2.78 and 2.38 q/ha under Bombax ceiba, Eucalyptus hybrid and mixed plantations, respectively. The yield of both the crops increases with increasiug distance from the tree trunk, however the direction did not influence the yield of groundstorey crops.- Agroforestry for Small Sloping Watersheds-a Case Study from Tamil Nadu
Abstract Views :262 |
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Indian Forester, Vol 122, No 3 (1996), Pagination: 268-271Abstract
No abstract- Effect of Nitrogen and Phosphorus on the Performance of Pennisetum purpureum in Limestone Minespoil
Abstract Views :230 |
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Indian Forester, Vol 122, No 11 (1996), Pagination: 1078-1079Abstract
No abstract- Important Plant Species of Dairy Farm Watershed in Nilgiris
Abstract Views :188 |
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Indian Forester, Vol 121, No 1 (1995), Pagination: 67-69Abstract
No abstract- Rooting Behaviour of Different Plant Species in Limestone Mined Area
Abstract Views :220 |
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Indian Forester, Vol 119, No 1 (1993), Pagination: 71-74Abstract
Rooting behaviour studies were undertaken to evaluate the relative performance of thirteen species of trees shrubs and grasses viz, Eucalyptus hybrid Syn. E. tereticornis (Euca lyptus), Grewia optiva (B limal), Bon bax ceiba (Bumla), Bauhinia retusa (Kacbnar), Leucaena leucocephala (Subatul), Ipomoea carnea (Sadabahar), Agave americana (Rambans), Pueraria hirsuta (Kudzu), Arundo donax (Narkul). Pennisetum purpureum (Hathighas), Brachiaria mutica (Paraghas). Chrysopogon fulvus (Golda) and Eulaliopsis binata (Bhabar) on abandoned limestone minespoil from Cuter Himalayas of Uttar Pradesb. Highest soil binding factor was found in Leucaena leucocephala (502). Agave americana (624) and Pennisetum purpureum (1736) among trees, shrubs and grasses species, respectively. Total ischolar_main length was also recorded highest in the said species.- Studies on Placing and Mixing of a Normal Soil in Limestone Minespoil on the Performance of Two Tree Species
Abstract Views :323 |
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Higher N and P content was observed in leaves of both the species as compared to ischolar_mains and shoots. The distribution of K was uniform in B. retusa while it was more in leaves of L. leucocephala followed by ischolar_mains and then shoots. Total uptake of nutrient followed the dry matter yield pattern. Maximum distribution of ischolar_mains was observed in 5-15 and >15 cm layers after 80 weeks.
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Indian Forester, Vol 119, No 12 (1993), Pagination: 1011-1019Abstract
Studies were conducted for 80 weeks in trapezoidal pots of 40 cm sides and depth to evaluate the effect of top placing and mixing of normal soil in limestone mine spoil/debris on the performance of L. leucocephala and B. retusa. Placement of 30 cm normal soil with debris was found best for L. leucocephala and mixing the same amount was optimum for B. retusa as revealed by height, basal diameter, crown spreads biomass yield and some ischolar_main characters. Mixing or placement of 15 cm normal soil with debris was also beneficial for both the species but 5 cm treatment did not show much superiority over debris alone.Higher N and P content was observed in leaves of both the species as compared to ischolar_mains and shoots. The distribution of K was uniform in B. retusa while it was more in leaves of L. leucocephala followed by ischolar_mains and then shoots. Total uptake of nutrient followed the dry matter yield pattern. Maximum distribution of ischolar_mains was observed in 5-15 and >15 cm layers after 80 weeks.
- Effect of Normal Soil Mix on Leucaena leucocephala (Lamk) Dewit. In the Minespoil of Outer Himalayas of Uttar Pradesh
Abstract Views :188 |
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Indian Forester, Vol 118, No 3 (1992), Pagination: 234-236Abstract
No abstract- Characteristics of Limestone Minespoil/debris from Outer Himalayas of Uttar Pradesh
Abstract Views :259 |
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Indian Forester, Vol 118, No 9 (1992), Pagination: 650-658Abstract
Fifty two limestone minespoil/debris samples from 20 mine sites covering four blocks viz., Bandal, Chamasari, Rajpur and Rikholi under Mussoorie hills of Uttar Pradesh from outer Himalayas were evaluated for important characteristics. Minespoil was found neutral to alkaline in reaction, poor in fertility status, sandy loam in texture, high in CaCO3, and bu1k density and low in water holding capacity. More than 75% of the samples were found to contain more than 50% CaCO3. The pH was found to be significantly correlated with CaCO3 (r=0.64) and available P (r=-0.48). No relation existed between CaCO3 and available P but silt+clay was found highly correlated with water holding capacity (r=0.62).- Effect of Normal Soil Mix on Pueraria hirsuta Linn. in the Minespoil of Outer Himalayas
Abstract Views :168 |
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Indian Forester, Vol 116, No 7 (1990), Pagination: 591-592Abstract
No abstract- Evaluation of Soil Resources for Productivity Through Remote Sensing in GIS Environment
Abstract Views :319 |
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Indian Forester, Vol 137, No 2 (2011), Pagination: 175-183Abstract
Soil resources of the coastal region of Cuddalore district of Tamilnadu were evaluated to assess the productivity rating for field crops, pastures, agroforestry, forestry and other tree crops. The soil resources were inventoried using remote sensing approach. The IRS 1D PAN merged LISS III data at 1:50,000 scale was used for pre-field interpretations. The soils mapped were evaluated for its productivity for agricultural, pasture, agroforestry, forestry and other tree crops. The texture of the soils varied from sandy to clayey due to the coastal sand dune landforms (72%). Loam (Arasanatham, Srinivasapuram and Mangadu series) and clay soil (Kondal series) occupied 16 and 3%, respectively which falls under alluvium landform. The mean pH of the soils ranged from 6.79 to 8.29. The neutral soil phase (6.5 to 7.5) was recorded in Mahabalipuram, Vandiyampalayam, Padugai, Pulavanur and Arasanatham series which occupied 58% (4905 ha) of the study area. The remaining soil series exhibited alkaline pH ranging from 7.85 to 8.29 (3688 ha; 42%). The study revealed that 71, 16 and 3 % of the area falls under Entisols, Inceptisols and Veritsols, respectively.Keywords
Coastal Lands, Remote Sensing, Productivity Rating, Soil Resource Inventory- Spatial and Temporal Variation in Groundwater Characteristics of the Coastal Regions of Tamil Nadu
Abstract Views :281 |
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Indian Forester, Vol 137, No 8 (2011), Pagination: 1009-1014Abstract
This research work was aimed to study the spatial and temporal changes in groundwater quality of the coastal region of Cuddalore district, Tamil Nadu. The study was conducted during 2006 for which the coastal area was divided in to three zones based on 1.5 km spatial distance from sea. The groundwater was collected from 27 representative shallow wells for the whole year with three-month interval representing different seasons. The water samples collected were characterized for its chemical composition as well as electro-che mical properties. Based on the chemical composition, different quality parameters were arrived. The results revealed that 88 per cent of the wells recorded for slightly alkaline pH ranging from 7.6 to 7.9 with electrical conductivity varying froml.l to 4.0 dS m-1. The sodium and magnesium hazard was higher in most of the wells. Seawater intrusion is the key factor, which decides the quality of groundwater in this coastal zone. Natural rainfall is the next most important factor which balances the negative effects of seawater intrusion. In total, the grolIDdwater quality of this coastal zone was poor during swnm.er and optimum during monsoon and post monsoon seasons which necessitates that sufficient care may be taken when using this water for agricuJtura1/agroforestry/fOrestry/other land use purposes.Keywords
Ground Water Quality, Coastal Region. Seawater Intrusion, Spatial Variation. Temporal Variation- Integrated Farming Systems for Food and Nutritional Security in North Western Himalayas
Abstract Views :315 |
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Indian Forester, Vol 138, No 8 (2012), Pagination: 689-696Abstract
North-western Himalayan region of India is blessed with vast natural resources, yet confronted with poor quality of life. Agriculture in the region is very subsistence in nature mainly to meet the livelihood and food requirements of the households. The agriculture productivity in the region is very low due to a variety of reasons including rainfed farming and low input usage. In the region, farming systems on integrated watershed management basis can be promoted for diversification, improving livelihood, soil quality and food security. Besides, it can also be helpful in soil amelioration, stabilization of degraded lands and mitigation of the impacts of climate.Keywords
Agroforestry Systems, Integrated Farming Systems, Northwestern Himalayas, Watershed Management- Allelopathic Effects of Paulownia and Poplar on Wheat and Maize Crops Under Agroforestry Systems in Doon Valley
Abstract Views :429 |
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