AZOLLA AS BIOFERTILIZER PDF

In the present work, experiments were carried out to determine the suitability and usefulness of both fresh and dried Azolla as biofertilizer for Scotch Bonnet. Azolla biofertilizer may be a promising approach to achieve better N use efficiency (NUE) in paddy rice fields due to its great potential for biological N fixation. A field study was conducted to observe the effect of Azolla on rice yield, N uptake and its residual effect on subsequent wheat crop. Azolladeveloped into a thick.

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Most of the species can produce large amounts of deoxyanthocyanins ws response to various stresses, [12] including bright sunlight and extremes of temperature, [13] [14] causing the water surface to appear to be covered with an intensely red carpet.

Contributions from the Museum of. We show that this strain produces a reasonable nitrogen content 2. Our results were obtained with a strain particularly well adapted to local climatic conditions.

Related Content Load related web page information. In addition to its traditional cultivation as a bio-fertilizer for wetland paddy due to its ability to azilla nitrogenazolla is finding increasing use for sustainable production of livestock feed. Herbicide treatments Table 3 generally caused stress, with an associated fall in Bioofertilizer and C content until death ensued.

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Phosphorus concentration was bioertilizer analyzed for each tank in order to estimate the P uptake relative to Azolla growth as a guide for the programming of additions to the medium. Response to Light and Temperature Stress”.

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Azolla is a highly productive plant. In addition, dry Azolla resulted in early anthesis by 3 days over the fertilizer control.

So Azolla biofertilizer can help to provide a permanent solution in many areas of the world…. Herbivore feeding induces accumulation of deoxyanthocyanins and leads to a reduction in the proportion of polyunsaturated fatty acids in the fronds, thus lowering their palatability and nutritive value.

International Journal of Agronomy

The main areas of cultivation are in the western part of the Po valley in Northern Italy and in the river delta areas, Ebro and Guadalquivir, in Spain.

Current Issue December53 Curiously, microspores tend to adhere in clumps called massulae. Zaolla fertilizers are dead organic matter of animal, plant and microbial origin that provides plant nutrients.

Azolla cannot survive winters with prolonged freezing, so is often grown as an ornamental plant at high latitudes where it cannot bioffrtilizer itself firmly enough to become a weed.

Retrieved 18 August Biofertilizers and organic fertilizers biofertilized soil. America’s Wetland Resource Center.

Biofertilizer | The Azolla Foundation

Table of Contents Alerts. From this perspective, the rice field system could be an interesting application, since the large-scale water use and repeated monoculture can in the long-term involve risk of the accumulation of pollutants in biofertilzer soil. User Name Password Sign In.

It contains, as endosymbiont, Anabaena azollae Strasburger, a nitrogen fixing cyanobacterium Nostocaceae family. The myth that no mosquito can penetrate the coating of fern to lay its eggs in the water gives the plant its common name “mosquito fern”. They are extremely reduced in form and specialized, looking nothing like other biovertilizer ferns but more resembling duckweed or some mosses.

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A study of Arctic paleoclimatology reported that Azolla may have had a significant role in reversing an increase in greenhouse effect that occurred 55 million years ago that caused the region around the north pole to turn into a hot, tropical environment.

Male spores microspores are extremely small and are produced inside each microsporangium.

The typical limiting factor on its growth is phosphorusanother essential mineral. Plucknett, Azolla as a Green Manure: These organic-rich healthy soils cycle nutrients biologically in a natural way so that they quickly absorb and maintain water after rain, have less evaporation from the surface and are less likely to erode be lost.

After days from the beginning of the experiment, on the Apr. However, after this intermediate phase Cinosulfuron caused a progressive deterioration leading to the death of the fern.

Dry Azolla was spread like a mulch around the base of the plant and used as a split treatment similar to inorganic fertilizer.