Chhattisgarh state has very diverse forest ecosystem and long history of traditional agroforestry. An agroforestry practice is location specific and depends on nature of agro-climatic zone. In Chhattisgarh, farmers are doing this farming practices based on fulfilling their diverse need and improvement of socioeconomic condition but stilldata is insufficient to explore more agroforestry practices in the state. In this context, assessment of different agroforestry models gives not only sufficient data but also open a door for conservation of biological diversity.. Different models like’s Boundary plantations, Agri-silviculture system, Horti-silvicuture, Silvi-pasture, Kitchen garden and Block plantation are used by farmers in Dhamtari. All models are dependent on location characteristic, land use type, soil type, climate and market requirement. This paper highlights the different models of Agroforestry, specific model for the specific sites, lacuna in models faced by farmers and role of agroforestry models in socioeconomic upliftment.
The present study on "Biomass and carbon stock in Acacia catechu plantation in tropical environment" was carried out at State Forest Research and Training Institute Raipur (Chhattisgarh), during the year 2020-2021. The total tree density in A. catechu plantation site was 575 stems ha -1 . The total basal area of tree layer in A. catechu plantation site was 18.6 m 2 ha -1 . Total sapling and seedling density in A. catechu plantation site was 50 stems ha -1 and 200 stems ha -1 respectively. Total abundance for sapling and seedling layer in A. catechu plantation site was 4.83 and 12.22 respectively. The Shannon index in A. catechu plantation site for the tree, sapling and seedling layer was 0.43, 1.46 and 0.93, respectively. The Simpson's index for tree, sapling and seedling layer were 0.13, 0.62 and 0.42, respectively. The evenness in A. catechu plantation site for tree, sapling and seedling were 0.39, 1.33 and 1.34, respectively. Species richness for tree, sapling and seedling layer was 0.31, 0.51 and 0.18, respectively. Beta diversity in A. catechu plantation site for tree, sapling and seedling layer was 1.76, 2.5 and 2.3, respectively. Total biomass, litter mass and carbon stock in A. catechu plantation site was 177.42, 8.49 t ha -1 , 77.38 t ha -1 respectively. Soil pH, EC, total available nitrogen, available phosphorous, total available potassium and organic carbon in upper soil layer (0-10 cm) of A. catechu plantation site was 6.02, 114.7 ds/m, 288.51 kg/ha, 6.68 kg/ha, 123.42 kg/ha and 0.76%, respectively. Soil pH, EC, total available nitrogen, available phosphorous, total available potassium and organic carbon in lower soil layer (10-20 cm) of A catechu plantation site was 6.5, 115.8 ds/m, 163.07 kg/ha, 6.38 kg/ha, 122.3 kg/ha and 0.70%, respectively. Study revealed the potential of A. catechu in biomass production and carbon storage and may contribute to climate mitigation process.
A field experiment was conducted at the Herbal Garden of Department of Forestry, Indira Gandhi Krishi Vishwavidyalaya, Raipur (C.G.). During the year 2021-22 with a view to study the “Effect of PGR on Yield of Patchouli (Pogostemon cablin) Under Karanj (Pongamia pinnata) Based Agro-forestry System”. The Patchouli intercrops under Karanj tree crop were used to grown and treatment was replicated three times in randomized block design (RBD). The soil of experimental field was clay to loam soil. The investigation, There were three growth regulators and chemicals(NAA, Miraculan and GA) were used, which were applied at different concentrations in Patchouli in eight treatments viz., T1: - Control (Basal Dose) (150:50:50 kg NPK ha-1), T2: - Basal Dose + NAA @ 20ppm, T3:- Basal Dose + NAA @ 25ppm, T4:- Basal Dose + NAA @ 30ppm, T5:- Basal Dose + miraculan @ 100ppm, T6:- Basal Dose + miraculan @ 150ppm, T7: - Basal Dose + GA @ 20 ppm and T8:- Basal Dose + GA @ 30ppm.The yield parameters i.e., fresh herbage yields (q ha-1), Dry herbage yield (q ha-1) and oil yield (kg ha-1) were significantly superior in the treatment T7 (GA @ 20 ppm). On the basis of above findings, treatment T7 (GA @ 20 ppm) stand could be better performance first in position and T8 (GA @ 30ppm) stand in second order of preference. However, treatment T3 (NAA @ 25ppm) comes in next in order. Therefore, it may be concluded that treatment T7 (GA @ 20 ppm) may be prefer for higher yield in patchouli.
The experiment was carried out on an important herbal and medicinal crop, safedmusli (Chlorophytum borivilianum Sant. & Fern.) under karanj based agroforestry system at Indira Gandhi Krishi Vishwavidyalaya, Raipur. The experimental materials were planted in Randomized Block Design with eight treatments and three replications under 6m × 6m spacingkaranj plantation. Statistically high significant results were obtained in number of leaves/plant, length of tuber, number of tubers/plant, tuber yield (kg/plot) and tuber yield (Q/ha). Significant readings were also recorded on soil chemical properties against different organic manure treatments. Vermicompost (100%) performed outstanding for improvement of tuber length (11.85 cm), number of tubers (8.57 no.), number of leaves/plant (27.89, 90DAP), tuber yield (4.37 kg/plot) and tuber yield (33.62 Q/ha).High performance of vermicompost could be due to very rich and diverse microbial populations present in vermicompost. The soil chemical properties on post harvest soils was also observed with higher concentrations of N (213.66 kg/ha) and K20 (465.12 kg/ha) in vermicompost (100%) treated plot. This experiment also revealed that safedmusli can be successfully grown in karanj based agroforestry system with mutual benefit.
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