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Figure-4 and table-2 shows the differences in values of productivity and T4 showed

maximum productivity. The productivity of non SLF treated Pisum sativum control seedlings
showed least productivity.

In the present study, SLF treated plants showed better activity than non SLF treated plants.

These findings can be correlated with earlier study, Gandhiappan and Perumal(2001);
Sivasankari et al.(2006); Thirumaran et al.(2009); Kalaivanan et al. (2012). Here in these

study higher concentrations of SLF preferably 40% and 50% showed remarkably better

growth performances compared to other lower concentrations. But Abhilash et al.(2013)
reported that in their study lower concentration of SLF treated with Padina tetrastromatica

has better growth responses and higher concentrations decreased germination percentage. In
the present study higher concentrations provided better germination percentage than control

and T1. So it can be said that the suitable concentrations may change according to different
species as it is evident from earlier literatures. But in all cases treatment with SLF has

positive effects on plants compared to control.

Summary and Conclusion
The major findings of the study are the treatment with SLF can increase the percentage of

Pisum sativum. The problem faced by the farmers by low germination percentage of Pisum

sativum can be effectively solved by treatment with cheaply available SLF prepared from
Padina tetrastromatica. Liquid seaweed fertilizer can absorb by the plants with in short time

and safe to humans, animals and the environment. 40 % concentration of SLF prepared
from Padina tetrastromatica by increased seedling length, higher growth and vigour indexes.

The present investigations revealed that seaweed species where observed to be potential

source of natural fertilizers for a clear environment. So the SLF was found to be one of the
cheapest sources of fertilizer in coastal areas of Malabar for plant growth but further more

research is intensified to find out the action of SLF on more plants.

References
Abhilash E. S.,Jisby Jacob and Sheeja P. Parayil (2013). Effect of sea weed (Caulerpa

recemosa) extract on biochemical variations, growth and yield of Vigna mungo. Asia

Pacefic Journal of Environment Ecology and Sustainable Devolopment. (1)3-5
Blunden G., Junkins T. and Liu Y.W. (1996) enhanced chlorophyll level in plants treated

with sea weed extracts. J. Appl. Phycol (8)535-543

Crouch I.J. ,Becket R.P. and Van Staden J. (1990) Efferct of sea weed concentrates on the
growth and mineral nutrition of nutrient-stressed lettuce. J. Appl. Phycol (2)269-272

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