AZADIRACHTA EXCELSA PDF

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A multipurpose tree with edible and medicinal uses, as well as a host of other applications such as oil, agroforestry, insecticide and timber. It is harvested from. Preferred Scientific Name; Azadirachta excelsa. Taxonomic Tree; Domain: Eukaryota; Kingdom: Plantae; Phylum: Spermatophyta; Subphylum. The best-known species of the genus Azadirachta (family Meliaceae) is A. indica (Indian neem tree). There are at least two other congeneric species in.

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The sample were oven-dried 70 o C for 48 h, ground and digested with sulphuric acid and hydrogen peroxide wet azadirachga method.

Ong Tai Hock, Mr. The sweetly scented flowers are creamy-white.

This is the best way to guarantee an adequate supply of clonal material from desirable donor trees. Chile and New Zealand have already turned to forest plantations for timber production.

Some effects of site on the growth of Azadirachta excelsa (Jack) Jacobs in Peninsular Malaysia

Thinning of small trees was carried out in December Multiple regressions equation relating soil properties and foliar nutrient concentrations to growth a. Scenario of Malaysian forestry in the 21st century. Articles with ‘species’ microformats Articles azadirachtx Latin-language text All stub articles. However, the potential impact caused by different site management practices eexcelsa yield and over successive rotations is unknown.

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Azadirachta excelsa Meliaceae is indigenous to the country and has a number of uses including for furniture and home construction due to its high quality timber and wood colour Anon Methods in applied soil microbiology and biochemistry. Except for Ca, other foliar nutrient concentrations Table 3 were in the range previously reported by Ong et al.

IUCN Red List of Threatened Species

If you would like to support this site, please consider Donating. Effects of water stress on growth and some physiological characteristics of Azadirachta excelsa Jack Jacobs seedlings.

The soil in Sungai Karas is a sandy clay loam and low in pH Table 3. The samples were air-dried and sieved with 2 mm screen before analysis. Azadirachta excelsa commonly known as sentang [2] is a tree in the mahogany family Meliaceae. Government Printing Offices, Singapore. Growth of two-year-old A. However, the species was reported to perform poorly on N and P deficient soils Ongunder shade Sofiawater stress Jerry and on compacted soils Jusnani Last update on In Thailand the recommended potting medium is a mixture of coconut husk and topsoil at a 3: Init was estimated that more than 5, ha of A.

When considered together, foliar concentration of Ca for dbh also had some influence on tree growth. Growth data of two-year-old trees in the Sungai Tong and Sungai Karas plantations are shown in Table 2. Site characteristics and foliar nutrients of Azadirachta excelsa plantations in relation to growth were studied in Azaxirachta Malaysia. A promising indigenous plantation species? The level and type of fertilizer applied and the methods of reducing nutrient loss are among the factors that need to be taken into consideration when managing site productivity of A.

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Information on growth under different management regime and establishment methods and different sites are needed for A.

The total organic C was determined by using the Walkley and Black method while total N was determined by a Kjeldahl digest Forster Five soil samples were collected at random from the upper 10 cm soil layer from each plot.

Relationships among growth parameters, soil properties and foliar nutrient concentrations: Two small branches on upper canopy of each tree were collected. On the other hand, foliar concentration of Ca exclesa significantly correlated with all the growth parameters whilst P was positively correlated with height and volume.

Azadirachta excelsa

Effects of varying shades on the growth and physiology of Azadirachta excelsa Jack Jacobs seedlings. InForestry Department of Peninsular Malaysia launched Forest Plantation Compensatory Project to coverha by the year with year rotation.

Mature leaves were bulked to give a composite sample. A negative relationship between dbh and K could be an indirect effect.