scholarly journals ANNUAL INCREMENT GROWTH IMPROVEMENT OF Swietenia mahagoni AS EFFECTED BY USING NPK FERTILIZER IN THE NEW RECLAIMED LANDS.

2011 ◽  
Vol 2 (9) ◽  
pp. 1151-1161
Author(s):  
Maha Ismail ◽  
Mona Abbass ◽  
Hala Khaliel
Keyword(s):  
Annual Increment ◽  
Npk Fertilizer ◽  
Swietenia Mahagoni ◽  
Increment Growth

scholarly journals CALIBRATING TREE GROWTH WITH DIFFERENT STREET-TREE PLANTING SPECIFICATIONS: A STUDY OF WASHINGTON, D.C., AREA WILLOW OAKS

HortScience ◽  
1994 ◽  
Vol 29 (4) ◽  
pp. 247c-247
Author(s):  
Barbara A. Neal ◽  
Thomas Whitlow
Keyword(s):  
Primary Site ◽  
Tree Planting ◽  
Annual Increment ◽  
Breast Height ◽  
Transplant Shock ◽  
Street Tree ◽  
Incremental Growth ◽  
Increment Growth ◽  
Urban Planting ◽  
Broad Consensus

There is broad consensus that we need a greater understanding of the interaction between trees and urban planting sites. This study was conducted to correlate annual increment growth with different street-tree planting specifications, with a primary emphasis on effective rooting volume of soil. The primary site of analysis was Pennsylvania Avenue in Washington, D. C., with four outlying sites chosen for comparison. From a cohort of 450, a randomly generated sample of 60 Pennsylvania Avenue willow oaks was chosen and increment cores taken at diameter breast height. A total of 60 cores was taken from willow oaks at the comparison sites. The annual incremental growth was measured using a microscope equipped with a computerized stage micrometer. The incremental growth per year in the nursery ranged between 6 and 8 mm and transplant shock generally lasted for 2 to 3 years, until growth regained or exceeded pretransplant levels.

Standardization and bacteria inhibitory test of purified extract of mahogany (Swietenia mahagoni (L.) Jacq) seeds and leaves

2019 ◽  
Vol 10 (3) ◽  
pp. 2132-2138
Author(s):  
Virsa Handayani ◽  
Rezki Amriati Syarif ◽  
Ahmad Najib ◽  
Aktsar Roskiana Ahmad ◽  
Abdullah Mahmud ◽  
...  
Keyword(s):  
Escherichia Coli ◽  
Heavy Metal ◽  
Bitter Taste ◽  
Drying Shrinkage ◽  
Ash Content ◽  
Water Soluble ◽  
Lead Contamination ◽  
Specific Parameter ◽  
Chemical Content ◽  
Swietenia Mahagoni

Mahogany (Swietenia mahagoni (L.) Jacq) is one of the plants that is often used by the community as traditional medicine. One of them is antifungal, antibacterial, antidiabetic, and eczema. This study aims to obtain standardized extracts from mahogany seeds and leaves. Standardization of purified extract of mahogany has been carried out according to the monographs of extract standardization guidelines, which include testing of specific and non-specific parameters. The results of the specific parameter testing showed that the purified extract of mahogany seeds is a thick extract, brown to reddish, smells distinctive and has a bitter taste. While the purified extract of mahogany leaves is a thick extract, greenish-brown in color, distinctive smell and has a bitter taste. The chemical content of purified extract of mahogany seeds and leaves showed the presence of flavonoids, alkaloids, terpenoids and saponins. Water-soluble essence levels in mahogany seeds and leaves was 14.84% and 10.28%. While the ethanol-soluble essence levels in mahogany seeds and leaves were 15.38% and 12.43%. Testing of non-specific parameters on mahogany seeds and leaves showed the results of drying shrinkage levels of 0.22% and 8.84%, moisture content of 2.60% and 4.04%, total ash content of 1.71% and 1.93%, levels acidic insoluble ash 0.38% and 0.32%, Total Plate Number (ALT) of mahogany seed bacteria 1x102 colonies/g, Number of mahogany mold seeds 4x10 colonies/g, heavy metal lead contamination and cadmium in mahogany seeds 0.0607µg/g and<0.003µg/g. The inhibitory diameter of each concentration of seeds against Escherichia coli, 3%, 5%, 7%, and 9%, is 12,67; 13,67; 17,67; and 19,67 mm, respectively. The inhibitory diameter of each concentration of leaves against Escherichia coli, 3%, 5%, 7%, and 9%, is 10,27; 10,90; 13,46; and 15,68 mm, respectively.

Pengaruh Ekstrak Berbagai Bagian Dari Tanaman Swietenia mahagoni Terhadap Perkecambahan Benih Kacang Hijau Dan Jagung

Agrologia ◽  
2018 ◽  
Vol 4 (2) ◽  
Author(s):  
Stela Wusono ◽  
John M Matinahoru ◽  
CMA Watimena
Keyword(s):  
Seed Germination ◽  
Green Bean ◽  
Bean Seed ◽  
Maize Seed ◽  
Green Beans ◽  
Leaves And Roots ◽  
Swietenia Mahagoni

Swietenia mahagoni is a timber forestry plants have allelopathy toxic, can interfere with the growth of surrounding plants. This study aimed to determine the effects of extracts from various parts of Swietenia mahagoni on seed germination of green beans and corn. This research was conducted at the Laboratory of Silviculture, an extract from a litter, fresh leaves, bark and roots of the Swietenia mahagoni plant and given to the seed germination green beans and corn. The results showed that the extract of fresh leaves and roots Swietenia mahagoni inhibit seed germination green beans and corn, while the provision of litter no effect. Green bean seed has a higher durability of the maize seed to allelopathy of root Swietenia mahagoni.

EFFECTIVENESS OF GIVING NPK FERTILIZER AND CHITOSAN FOR THE GROWTH OF SUNAN CANDLENUT PLANT ON MARGINAL LAND

2020 ◽  
Vol 13(62) (1) ◽  
pp. 49-60 ◽  
Author(s):  
Ellen R. SASMITA ◽  
◽  
Ami SURYAWATI ◽  
Endah B. IRAWATI ◽  
◽  
...  
Keyword(s):  
Marginal Land ◽  
Npk Fertilizer

PENGGUNAAN MEDIA TANAM DAN PUPUK NPK TERHADAP HASIL RUMPUT TEKI (Cyperus rotundus) SERTA ANALISA KANDUNGAN KERIPIK OLAHANNYA

2020 ◽  
Vol 2 (1) ◽  
Author(s):  
Wiwik Endah Rahayu ◽  
Atika Romalasari
Keyword(s):  
Research Result ◽  
Nutrient Content ◽  
Cyperus Rotundus ◽  
Root Weight ◽  
Tuber Weight ◽  
Randomized Design ◽  
Two Factors ◽  
The Media ◽  
Npk Fertilizer ◽  
Weight Number

Nut grass is Cyperaceae group and underestimated its existence. Nut grass has many benefits so  potential to be developed. This study aims to determine the effect of planting media and the addition of NPK fertilizer to the growth of the nut grass and find out the nutrient content of chips made from nut grass tuber. The design of this study was factorial complete randomized design (RAL) which consisted of two factors. First factor is Planting Media, consist of M1 = soil, M2 = Soil: Sand (2: 1), M3 = Soil: Compost Fertilizer (2: 1) and M4 = Soil: Cage Fertilizer (2: 1) and second factor is fertilizer dosage NPK 15: 15: 15 with the level P1 = Without NPK fertilizer, P2 = 5 g NPK fertilizer, P3 = 10 g NPK fertilizer. Research result showed that the media significantly affected the number of clumps, root weight, clump weight, overall weight and number of flowers but did not significantly affect the height, number of tubers and tuber weight. Fertilizer significantly affected the number of clumps, root weight, clump weight, overall weight, number of flowers, number of tubers and tuber weight but did not significantly affect the height at P≤0.05 level. Interaction between planting media and NPK fertilizer did not significantly affect all parameters. Keywords: Chips, NPK Fertilizer, Nut Grass, Planting Media

Potensi Ekstrak Daun Sambung Nyawa (Gynura procumens) Dan Biji Mahoni (Swietenia mahagoni jacq) Serta Kombinasi Kedua Ekstrak Terhadap Berat Testis Mencit (Mus musculus) Hiperglikimia

2019 ◽  
Vol 12 (02) ◽  
pp. 89-97
Author(s):  
Sanima Laia ◽  
Sukarjati
Keyword(s):  
Mus Musculus ◽  
Steroid Alkaloid ◽  
Swietenia Mahagoni ◽  
Diabetes Melitus

Diabetes melitus (DM) adalah suatu penyakit metabolik yang ditandai dengan hiperglikemia.terhadap sel leydig, diameter tubulus seminiferus dan berat testis. daun sambung nyawa (Gynura procumens) dan biji mahoni (Switenia mahagoni jaqc). banyak ditanam sebagai tanaman hias, semak, dan tumbuh di daerah tropis dan subtropis. Daun sambung nyawa (Gynura procumens) dan biji mahoni (Switenia mahagoni jaqc) juga merupakan salah satu jenis tanaman yang berpotensi sebagai antifertilitas. Jenis senyawa bioaktif yang terkandung pada tumbuhan, utamanya senyawa-senyawa yang berasal dari golongan steroid, alkaloid, isoflavanoid, tripernoid, dan xanthon memiliki aktivitas sebagai bahan antifertilitas. Tujuan penelitian ini adalah mengetahui pemberian ekstrak Daun sambung nyawa (Gynura procumens) dan biji mahoni (Switenia mahagoni jaqc) serta kombinasinya kedua ekstrak jumlah sel leydig, diameter tubulus seminiferus dan berat testis. Sampel penelitian ini adalah mencit sebanyak 48 ekor dengan berat badan 25-30 gram, berumur 2-2,5 bulan. Mencit di bagi 12 kelompok, masing-masing kelompok dibagi 4 perlakuan. Metode pembuatan ekstrak  dangan menggunakan maserasi Adapun perlakuan yang diberikan adalah ekstrak Daun sambung nyawa (Gynura procumens) serta kombinasi kedua ekstrak dengan dosis kontrol, 200 mg/kg BB, 250 mg/kg BB dan 300 mg/kg BB dan biji mahoni (Switenia mahagoni jaqc) dengan dosis kontrol, 200 mg/kg BB, 250 mg/kg BB dan 300 mg/kg BB serta kombinasi kedua ektrak dengan dosis 100:100 mg/kg BB, 125:125 mg/kg BB dan 150:150 mg/kg BB pemberian ekstrak selama 35 hari. Pada hari ke 37 mencit di bedah untuk diambil testis untuk pengamatan penimbangan berat testis.Testis kemudian dibuat preparat histologi dan di hitung sel leydig, diukur diameter tubulus seminiferus. berat testis di timbang dengan menggunakan alat timbang analitik yang memiliki akurasi o,o1 gram, sel leydig diamati di dalam preparat dengan alat mikroskop, diamter tubulus seminiferus dihitung dengan alat mikrometer yang di letakkan di dalam tabung lensa objektif miroskop pembesaran 400x10 merupakan penelitian eksperimental dengan menggunakan Rancangan acak lengkap (RAL). Data yang diperoleh dianalisis dengan analisis uji F, varian (ANOVA) Satu arah dan dilanjutkan dengan uji LSD (Least Significant Different).  Hasil dari penelitian ini menujukkan ada pengaruh ekstrak daun sambung nyawa (Gynura procumens) dan biji mahoni (Switenia mahagoni jaqc) serta kombinsa kedua ekstrak terhadap jumlah sel leydig, diameter tubulus dan berat testis, (P<0,05), Perlakuan terbaik yang dapat meningkatkan sel leydig, diameter tubulus seminiferus dan berat testis berat, adalah kombinsa kedua ekstrak  dengan dosis 150:150 mg/kg BB. Hasil penelitian ini dapat disimpulkan bahwa ekstrak daun sambung nyawa (Gynura procumens) dan biji mahoni (Switenia mahagoni jaqc) serta kombinsa kedua ekstrak dapat meningkatkan jumlah sel leydig, diameter tubulus seminiferus dan berat testis. Kedepannya diharapkan penelitian dapat dikembangkan sebagai bahan antifertilitas pada pria.   Kata Kunci: ekstrak daun sambung nyawa, dan biji mahoni, berat testis mencit hiperglikemia.

Contribution to the automation of the calculations involving the forest inventory with the aid of an office computer

1970 ◽  
Vol 20 ◽  
Author(s):  
R. Goossens
Keyword(s):  
Tree Species ◽  
Forest Inventory ◽  
Basal Area ◽  
Annual Increment ◽  
Mixed Stands ◽  
Mean Values ◽  
Standing Trees ◽  
General Program ◽  
Magnetic Card ◽  
The Right

Contribution to the automation of the calculations involving  the forest inventory with the aid of an office computer - In this contribution an attempt was made to perform the  calculations involving the forest inventory by means of an office computer  Olivetti P203.     The general program (flowchart 1), identical for all tree species except  for the values of the different parameters, occupies the tracks A and B of a  magnetic card used with this computer. For each tree species one magnetic  card is required, while some supplementary cards are used for the  subroutines. The first subroutine (flowchart 1) enables us to preserve  temporarily the subtotals between two tree species (mixed stands) and so  called special or stand cards (SC). After the last tree species the totals  per ha are calculated and printed on the former, the average trees occuring  on the line below. Appendix 1 gives an example of a similar form resulting  from calculations involving a sampling in a mixed stand consisting of Oak  (code 11), Red oak (code 12), Japanese larch (code 24) and Beech (code 13).  On this form we find from the left to the right: the diameter class (m), the  number of trees per ha, the basal area (m2/ha), the current annual increment  of the basal area (m2/year/ha), current annual volume increment (m3/year/ha),  the volume (m3/ha) and the money value of the standing trees (Bfr/ha). On the  line before the last, the totals of the quantities mentioned above and of all  the tree species together are to be found. The last line gives a survey of  the average values dg, g, ig, ig, v and w.     Besides this form each stand or plot has a so-called 'stand card SC' on  wich the totals cited above as well as the area of the stand or the plot and  its code are stored. Similar 'stand card' may replace in many cases  completely the classical index cards; moreover they have the advantage that  the data can be entered directly into the computer so that further  calculations, classifications or tabling can be carried out by means of an  appropriate program or subroutine. The subroutine 2 (flowchart 2) illustrates  the use of similar cards for a series of stands or eventually a complete  forest, the real values of the different quantities above are calculated and  tabled (taking into account the area). At the same time the general totals  and the general mean values per ha, as well as the average trees are  calculated and printed. Appendix 2 represents a form resulting from such  calculations by means of subroutine 2.

KOMBINASI BOKASHI DAN PUPUK BUATAN TERHADAP PRODUKSI PADI YANG DITANAM SECARA JAJAR LEGOWO

Jurnal BiBieT ◽  
2016 ◽  
Vol 1 (1) ◽  
pp. 9
Author(s):  
Dewi Rezki
Keyword(s):  
Grain Yield ◽  
Organic Material ◽  
Agricultural Land ◽  
Rice Production ◽  
High Rate ◽  
Grain Production ◽  
Rice Plants ◽  
West Sumatra ◽  
Npk Fertilizer ◽  
Synthetic Fertilizers

<p align="center"><strong>ABSTRAK</strong></p><p align="center"><strong> </strong></p><p>Tingginya laju pertumbuhan penduduk dan alih fungsi lahan pertanian, menyebabkan perlunya dilakukan upaya untuk meningkatkan produksi beras. Sedangkan produksi yang diperoleh dari lahan pertanian yang ada belum mencapai hasil yang optimal.  Upaya yang perlu dilakukan  untuk meningkatkan produksi padi diantaranya adalah memperbaiki tingkat kesuburan tanah dan metode budidaya tanaman padi.  Penelitian ini bertujuan untuk memperoleh kombinasi yang paling tepat antara bahan  organik kaya sumber hayati (BOKASHI) dan pupuk NPK terhadap produksi padi yang ditanam secara jajar legowo.  penelitian dilakukan di Kecamatan Pulau Punjung Kabupaten Dharmasraya Provinsi Sumatera Barat pada bulan Juli-Desember 2015.  Penelitian menunjukkan bahwa kombinasi bokashi + 75 % pupuk buatan memberikan hasil gabah 6.3 ton/Ha, sementara produksi padi tanpa penambahan bokashi + 100 % pupuk buatan memberikan hasil gabah 3.9 ton/Ha, dengan demikian dapat disimpulkan bahwa penambahan bokashi dapat meningkatkan produksi gabah sebanyak 2.4 ton/Ha.  Penambahan 2 ton/Ha bokashi yang ditanam secara sistem jajar legowo pada tanaman padi berpengaruh nyata terhadap pertumbuhan dan produksi tanaman padi dan dapat mengurangi penggunaan pupuk buatan sebanyak 25 %.</p><p>Kata Kunci : Bokashi, Produksi Padi, Jajar Legowo, Kombinasi</p><p> </p><p align="center">ABSTRACT</p><p align="center"> </p><p>The high rate of population growth and the conversion of agricultural land, causing the need for efforts to increase rice production. While the production obtained from existing agricultural lands yet to achieve optimal results. Efforts should be made to increase the rice production of which is to improve soil fertility and method of rice cultivation. This study aims to obtain the most appropriate combination of organic material rich in biological resources (Bokashi) and NPK fertilizer on rice production are grown Legowo row. Research conducted in the District Pulau Punjung Dharmasraya West Sumatra province in July to December 2015. The study showed that the combination of Bokashi + 75% of artificial fertilizers provide grain yield of 6.3 tonnes / ha, while rice production without adding Bokashi + 100% synthetic fertilizers provide grain yield 3.9 tonnes / ha, thus it can be concluded that the addition of bokashi can increase grain production as much as 2.4 tons / ha. Addition of 2 tons / ha planted Bokashi system Legowo row in rice plants significantly affect the growth and production of rice plants and can reduce the use of artificial fertilizers as much as 25%.</p><p>Keywords: Bokashi, Rice Production, Jajar Legowo, Combination</p>

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