Introduction

Jatropha curcas L. (Euphorbiaceae) is native of mixico but now a days huge cultivation started for Biomass production in Asia and Africa. It is introduced in India especially for Bio-fueled production. As it come well on degraded land, gives two harvest of seed in year, once planted gives economic yield near about 20 years which ultimately decrease the cost of cultivation year after year. So it need initial care at nursery stage. As we are growing his crop for economic purpose so it is very nursery to improve its biomass by applying some organic and inorganic source of fertilizers, which is easily available or can be prepared by local farmer, ultimately it improves the soil health, economic yields as well as economy of the farmer. The use of Judicious combination of organic and inorganic fertilizers sources is essential not only to maintain the soil health but also sustain productivity (Malewar et al., 1998). Organic manures not only increase the yield but also improve physical, chemical and biological properties of soil that improve fertility, productivity water holding capacity of soil (Blane et al., 1989). By considering the above point a trial was conducted at nursery stage of Jatropha cutting to study most efficient resource of organic and inorganic fertilizer on growth of the plant. Kato et al., (1991) reported that the addition of FYM had a beneficial effect on growth characters and development of tree species.

Material and Methods

The experiment was conducted on nine nursery bed replicate thrice with nine treatments viz, T1-Control, T2-DAP(200gm)+MOP(100gm), T3-SSP(200gm)+MOP(100gm), T4-Vermiwash (10lit/plot), T5- Vermicompost(10kg/plot), T6- FYM (10Kg/plot), T7-FYM (5Kg)+Vermiwash (5lit)/plot), T8-FYM(5Kg)+Vermicompost(5Kg)/plot, T9-Vermicompost (5Kg)+Vermiwash(5lit)/plot, with three irrigation scheduling Viz l1-3days, interval (l2)-Weekly interval and l3-Fortnightly interval, nursery bed size was 2.5×1.25m² with spacing 30×30cm, each treatment was applied on single nursery bed, mixed well at upper 20cm of soil after 5 days of mixing, Jatropha cutting (RAU-P-Jat-1) 2.5cm in length and 1.5-2 cm in thickness cutting were planted one third of cutting were buried and ¼ were left on top with wax coating on upper cutted end, all cutting were treated with 80/PPm of NAA with quick deep method. After planting all cutting were irrigated at once and there after irrigation interval 3 days gap weekly interval and fortnightly interval were maintained for each treatment.

Volume index was calculated as per formula given by manavalan (1990).

V1=Diameter × height

Observation of plant height, collar diameter and branch length were recorded at 30,60 and 90 days interval and their mean value were arrange in the table 1, 2 and 3. Volume index were calculated after multiplying the diameter with plant height at different interval and data were arranged in the table 4 and their mean standard deviation and coefficient of variance were calculated.

Finding

On appraisal of mean data  from Table 1, 2, 3 and 4 at different day’s interval and three irrigation scheduling. The plant height, collar diameter, branch length and volume index were maximum in the treatment. T2 i.e. DAP+MOP (200gm+100gm/plot) followed by Vermiwash 10lit/plot (T2), T9-(Vermicompost + vermiwash), T7-(FYM + vermiwash), T5-(vermicompost), T6(SSP+MOP), T8-(FYM+vermicompost), T9 – FYM and control (T1).

Table 1: Plant height (cm).

Table 2: Collar diameter (cm).

Table 3: Branch length (cm).

Table 4: Volume indix.

However three days interval of irrigation was found more suitable which obtained maximum plant height, collar diameter, branch length and ultimately volume index of the plant.

In case of inorganic source of nutrient DAP-MOP combination gave better result than SSP+MOP, but in case of organic sources of nutrients vermiwash gave better result than any other sources and combination of source of nutrient. It might be due to beneficial effect of richness of micronutrient in vermiwash and other source of in case of inorganic source or nutrient DAP+MOP combination gave better result than SSP+MOP, but in case of organic sources of nutrients vermiwash gave better result than any other sources and combination of sources of nutrient. It might

be due to beneficial effect of richness of micronutrient in vermiwash and other source of organic manure. Vijaynanthan et al., (2004) reported that the C. equisetifolia seedling enhanced their growth and biomass production to vermiwash compared to those with the cowdung and water spray only. This was mainly attributed to the presence of growth promoting substances in the vermiliquids. Also recorded highest collar diameter (0.75cm) and total drymass (12.0gm) of teak seedlings by spraying of vermiwash.

References

1. Blane, D., Gilly, G. and Grass, R., Comprative effect of organic manure and fertilizer on soil and vegetative yield in mediterranean climate, In organic manure, coptes Rendess De-1 “Academic” Atriculture De france 75(1): 29-36 (1989).
2. Kato, O.R., Belfort, AJL., De Castro NHC, M.D.O. Kato se and De Castro NHC., Effect of the FYM loan on the development of anato seedlings. Circular-Technical Centro-de-pesguisa-Agropecuaria-de-Tropico-umbido., 15 (1991).
3. Manavalan., Sedling vigour and Bioproductivity in woody Biomas species Ph.D Thesis., Madurai Kamraj University Madurai., 201 (1990).
4. Malewar, Gill, Syed Ismail and Rudraksha, GB., Integrated Nitrogen management in chilli (Copsicum annum L.,) Bull. Indian. Inst. Soil. Sci., 2: 156-163 (1998).
5. Vijayananthan, K., Kumar, M.G. and Gopi, D., Effect of organic extract sprays on growth and biomass production of seedllings of two important mulitpurpose trees. Indian J. Agroforestry., 6(2): 53-56 (2004).