scholarly journals Effect of Vermicompost Dose to K Content in Leaves and Growth of Corn (Zea mays, L) on Ultisol

2020 ◽  
Vol 3 (2) ◽  
pp. 45-50
Author(s):  
Nunung Nurjanah ◽  
Riwandi Riwandi ◽  
Hasanudin Hasanudin

The objectives of this research were to obtain an optimum dose of vermicompost fertilizer to the nutrient levels of K in the leaves, K uptake, and corn growth in ultisols. This research were held in September until November 2018, which has been implemented in green house and  the Laboratory of Soil Science, Faculty of Agriculture, University of Bengkulu. The research used   Completely Randomized Design (CRD) with a single factor consisting of 7 levels of treatment and three replicates  i.e.  0 , 2.5 , 5.0 , 7.5 , 10.0, 12.5, and 15.0 ton ha-1. The results showed that the optimum dose of vermicompost fertilizer 5.71 ton ha-1, resulting in leave K content of 0.59%,  9.5 ton vermicompost ha-1, producing  the absorption of K leaves 31 kg ha-1,   9.59 ton vermicompost ha-1, producing a plant height 160.7 cm,   10.2 ton vermicompost ha-1, producing the fresh stover weight 27,561.2 kg ha-1, 98.9 ton vermicompost ha-1, producing the dry stover weight 5,675.5 kg ha-1, and 9.5 tons vermicompost ha-1, producing root dry weight  1,156 kg ha-1. 

2013 ◽  
Vol 37 (1) ◽  
pp. 177-187 ◽  
Author(s):  
Michelli Fernandes Batista ◽  
Ismar Sebastião Moscheta ◽  
Carlos Moacir Bonato ◽  
Marcelo Augusto Batista ◽  
Odair José Garcia de Almeida ◽  
...  

Aluminum (Al) toxicity is one of the most limiting factors for productivity. This research was carried out to assess the influence of Al nutrient solution on plant height, dry weight and morphoanatomical alterations in corn (Zea mays L.) roots and leaves. The experiment was conducted in a greenhouse with five treatments consisting of Al doses (0, 25, 75, 150, and 300 µmol L-1) and six replications. The solutions were constantly aerated, and the pH was initially adjusted to 4.3. The shoot dry matter, root dry matter and plant height decreased significantly with increasing Al concentrations. Compared to the control plants, it was observed that the root growth of corn plants in Al solutions was inhibited, there were fewer lateral roots and the development of the root system reduced. The leaf anatomy of plants grown in solutions containing 75 and 300 µmol L-1 Al differed in few aspects from the control plants. The leaf sheaths of the plants exposed to Al had a uniseriate epidermis coated with a thin cuticle layer, and the cells of both the epidermis and the cortex were less developed. In the vascular bundle, the metaxylem and protoxylem had no secondary walls, and the diameter of both was much smaller than of the control plants.


Author(s):  
Azaria Dhea Gantina ◽  
Farida Fathul ◽  
Liman Liman ◽  
Muhtarudin Muhtarudin

This research aims was to determine the effect of bokashi dose on plant height, number of tillers, percentage of stems, fresh production, and dry matter production and also to determine the optimum dose of bokashi to obtain the best results on growth and production at the first harvest of dwarf elephant grass. This research was conducted in March 2020 - July 2020 in Sidodadi Asri village, Jati Agung district, South Lampung regency. This research used a Completely Randomized Design (CRD) with 4 levels of treatment, namely P0 (control); P1 (bokashi dosage 30 tons/ha); P2 (bokashi dosage 40 tons/ha); and P3 (bokashi dosage 50 tons/ha). Each experimental treatment unit has plot measuring 2x2 m2. Each trial unit was repeated 3 times, so there were 12 trial units. The data were analyzed by variations analyzed at 5% and or 1% level, after that it was followed by orthogonal polynomial test. The results showed that the dose of bokashi had a significant effect (P<0,05) on plant height, fresh production, and dry production, but had no significant effect (P>0,05) on number of tillers, and percentage of stems. The effect of bokashi fertilizer on plant height was obtained by using the optimum bokashi dose of 36.73 tons/ha and the equation was = 60,13 + 35,38x - 6.62x2 [0 ; 50 ton/Ha] (P<0,01). The optimum dose was not obtained for the number of tillers, percentage of stems, fresh production, and dry production. Keywords: Plant height, Number of tillers, Percentage of stems, Fresh production, Dry production


2018 ◽  
Vol 23 (1) ◽  
pp. 51 ◽  
Author(s):  
Tintin Suhartini ◽  
Try Zulchi

<p><strong>Abstract</strong></p><p>The research was aimed to screen the local rice germplasms for salinity tolerance. The 104 local rice germplasms were derived of collection of Gene Bank of Indonesian Center for Agricultural Biotechnology and Genetic Resources Research and Development (ICABIOGRAD) were tested to salinity. The activities was carried out in greenhouse of ICABIOGRAD. The 15 day old seedlings were planted in pots soil contained NaCl 0.4%. One accession of rice was planted in 2 pots, each pot contained 4 seedlings. Observation of plant symptom was conducted after 1 month planted. The experiment was carried out in a Completely Randomized Design with 2 replications. The results of the analysis showed there were different responsses among rice accesions to the treatment. Salinity caused dry and dead leaves, there were very significant differences between the varieties for plant height, dry weight plant, number of total leaves, and number of green leaves. There were a high and negative correlation of plant height and total number of leaves with percentage of dead leaves. The result showed 21 accesions were tolerant to moderately&amp;#8722;tolerant, while Pokkali as a tolerant check, most tolerant. There were two accessions were tolerant with dead leaf percentage &lt;50%, i.e. Tjempo Brondol (reg. 5800) and Gembira Putih (reg. 20602), whereas Pokkali as resistant check had low dead leaf percentage (16.9%) and 19 accessions were moderately-tolerant with dead leaf percentage &lt;70%, and 82 accesions were sensitive to highly-sensitive.</p><p><strong>Abstrak</strong></p><p>Penelitian ini bertujuan untuk menyaring plasma nutfah padi yang memiliki sifat toleran terhadap salinitas. Sejumlah 104 plasma nutfah padi lokal yang berasal dari koleksi Bank Gen BB Biogen diuji terhadap salinitas. Kegiatan dilakukan di rumah kaca BB Biogen. Bibit padi berumur &amp;plusmn;15 hari ditanam pada pot berisi tanah yang sudah dilumpurkan dengan larutan garam NaCl 0,4% (4.000 ppm). Satu aksesi padi ditanam pada 2 pot, masing masing pot berisi 4 tanaman. Setelah berumur 4 minggu dari tanam dilakukan pengamatan meliputi tinggi tanaman, bobot kering akar, bobot kering tanaman, jumlah daun total, jumlah daun hijau, dan jumlah daun mati. Pengujian menggunakan Rancangan Acak Lengkap dengan 2 ulangan. Hasil analisis varians menunjukkan terdapat perbedaan respons plasma nutfah padi terhadap perlakuan salin yang diberikan. Perbedaan sangat nyata terdapat pada tinggi tanaman, bobot kering tanaman, jumlah daun total, dan jumlah daun hijau. Terdapat korelasi yang tinggi dan negatif pada tinggi tanaman dan jumlah daun total dengan persentase daun mati. Hasil pengujian telah terpilih 21 aksesi plasma nutfah padi toleran hingga agak toleran, sedangkan Pokkali sebagai cek sangat toleran. Dua aksesi yang toleran dengan persentase daun mati &lt;50%, yaitu Tjempo Brondol (reg. 5800) dan Gembira Putih (reg. 20602), Pokkali sebagai varietas kontrol dengan tingkat persentase daun mati 16,9%, sedangkan 19 aksesi termasuk kelompok agak toleran dengan persentase daun mati &lt;70%, dan 82 aksesi termasuk kelompok peka hingga sangat peka.</p>


AgriPeat ◽  
2019 ◽  
Vol 20 (02) ◽  
pp. 114-123
Author(s):  
Admin Journal

ABSTRACTThis research was conducted in the Analitic laboratory of Palangka Raya Univercity and in the screenhouse of Agriculture Cultivation Department, Palangka Raya Univercity. The purpose of thisexperiment was to determine the effect of dolomit and chicken manure to some soil chemicalproperties of acid sulfate soil and growth of Maize Crop (Zea mays L.). The research was arranged inComplete Ramdomized Design with two factors and three replications. The first factors were level ofdolomit with three levels namely 0 ; 1,5 ; 3,0 times exchangeable alumunium. The second factors werelevel of chicken manure with three levels namely 0, 6 and 12 t ha-1. The results showed that theinteraction between dolomit and chicken manure significantly affected increasing the soil pH anddecreasing exchangeable alumunium. The combination level of dolomit in level 1,5 timesexchangeable alumunium with application of 6 ton.ha-1 chicken manure will be optimum increasingthe soil pH and decreasing exchangeable alumunium. The application a single factor of dolomit notsignificantly affected P-availabilityand growth of Zea mays (plant height, number of leaf and area leafindex) in age 2, 3, 4, 5, 6 weeks after planting. The application of chicken manure only significantlyaffected increasing P- availabilityand growth of Zea mays (plant height, number of leaf and area leafindex) in age 2, 3, 4, 5, 6 weeks after planting. Optimum dosage of chicken manure was 6 t ha-1.Keywords: sulfate soil, dolomite, soil chemical, chicken manures.


2018 ◽  
Vol 19 (2) ◽  
pp. 72-79
Author(s):  
Hariyadi Hariyadi

The experiment aimed at investigating the effect of chicken manure and swallow guano and the interaction of both on sweet corn (Zea mays L. saccharata Sturt.) plated onraised-bog peatlend. The experiment used a group-randomized design (GRD) 2 factors: chicken dung and swallow guano having the same three levels (A1=5 t ha-1; A2=10 t ha-1; A3=15 t ha-1). Parameter to observe was the plant height and the plant leave area. The result showed that the single use of swallow guano and chicken manure had significant effect on the plant height and the plant leave area. The best use of swallow guano was at a dose of 15 t ha-1and the best use of chicken manure was at a dose of 10 t ha-1. The best combination was at a dose of 15 t ha-1of swallow guano and 10 t ha-1of chicken manure.   Percobaan ini bertujuan mengetahui pengaruh pemberianpupuk kandang kotoran ayam dan guano walet serta interaksinya terhadapJagung Manis (Zea mays L. saccharata Sturt.) yang ditanam pada Tanah Gambut Pedalaman. Percobaan dilakukan denganrancangan acak kelompok (RAK) 2 faktor yaitu pupuk kandang kotoran ayam dan pupuk guano walet masing-masing dengan 3 taraf yang sama (A1/W1= 5 t ha-1; A2/W2=10 t ha-1; A3/W3=15 t ha-1). Peubahyang diamati adalah tinggi tanaman dan luas daun tanaman jagung manis. Hasilenunjukkan bahwa pemberian tunggal pupuk guano walet dan pupuk kotoran ayam  berpengaruh nyata terhadap tinggi tanaman dan luas daun. Dosis terbaik pupuk guano walet tunggal adalah 15 t ha-1dan dosis pupuk kotoran ayam tunggal adalah 10 t ha-1. Kombinasi perlakuan terbaik didapat pada perlakuan 15 t ha-1pupuk guano walet dan 10 t ha-1 pupuk kotoran ayam.


Jurnal Agro ◽  
2022 ◽  
Vol 8 (2) ◽  
pp. 164-177
Author(s):  
Elis Kartika ◽  
Gusniwati Gusniwati ◽  
Made Deviani Duaja

Grafting bibit kopi memiliki tujuan menghasilkan tanaman dengan karakteristik terbaik dari dua varietas kopi yang disambungkan. Kopi robusta digunakan sebagai batang bawah, karena lebih tahan terhadap kondisi yang tidak menguntungkan di lahan gambut. Upaya peningkatan ketahanan batang bawah dapat memanfaatkan mikoriza dan disambungkan dengan kopi liberika sebagai batang atas. Penelitian ini bertujuan untuk  mendapatkan bibit kopi Liberika unggul hasil grafting dengan kopi Robusta bermikoriza serta mendapatkan panjang entres kopi Liberika yang mampu meningkatkan pertumbuhan bibit kopi Liberika hasil sambung pucuk. Percobaan ini menggunakan Rancangan Acak Lengkap faktorial dengan dua faktor dan empat ulangan. Faktor pertama adalah inokulasi mikoriza (tanpa aplikasi mikoriza dan aplikasi mikoriza gabungan Glomus sp-1a dan Glomus sp-3c) dan  faktor kedua berupa panjang entres (10, 15, 20 dan 25 cm). Parameter yang diamati adalah persentase keberhasilan sambungan, waktu pecah tunas, pertambahan tinggi bibit, pertambahan jumlah daun, jumlah tunas, bobot kering tunas, dan infeksi mikoriza. Hasil penelitian menunjukkan respons bibit kopi Liberika hasil grafting dengan bibit kopi Robusta bermikoriza terbaik diperoleh pada panjang entres 15 cm, sedangkan yang disambungkan dengan Robusta tidak bermikoriza diperoleh pada panjang entres 25 cm. Pertumbuhan bibit kopi Liberika hasil grafting dengan bibit kopi Robusta terbaik pada berbagai panjang entres diperoleh pada kopi Robusta bermikoriza.” The main goal of coffee grafting is to create a crop with the best characteristic of two coffee varieties in one plant. Robusta coffee is used as the rootstock, which is more resistant to constraints and unfavorable conditions in the peatland. The effort to increase rootstock resistance is inoculated by mycorrhizae and grafted with Liberica coffee as the scion. This study aimed to obtain the best scion length in order to increase the growth of Liberica coffee with Robusta coffee as the inoculated rootstock. The experiment used factorial completely randomized design with the first factor was mycorrhizae inoculation (without inoculation and inoculation of Glomus sp-1a and Glomus sp-3c combination) and the second factor was  the length of scion (10, 15, 20 and 25 cm). The variables observed were the percentage of success grafted plants, shoot break time, growth (plant height, number of leave, number of shoots, and shoot dry weight) and mycorrhizae infection. The results showed that the plant inoculated by mycorrhizae and scion lenght of 15 cm gave the best percentage of the success graft, shoot break time, and growth of scion. While, the root stock without inoculation showed the best result with the scion length 25 cm. The best growth of grafted plant was obtained in all scion length with mycorrhizae inoculation. 


2015 ◽  
Vol 2 (1) ◽  
pp. 54-65
Author(s):  
Nurul Hidayati ◽  
Asro Laelani Indrayanti

The purpose of this research is gaining influence boiler ash on growth and yield of tomatoes, (4) obtain optimal dosing of boiler ash is curuently applied to some media. This research was conducted at Jl. Manjuhan Palangkaraya. The time of this study will last for 4 months This study uses a completely randomized design factorial 2 factors. The first factor is the dose Abu boiler with a 5 stage treotment (without ash, 5 ton.ha-1, l0 ton ha-1, 15 ton.ha-1 and 20 ton.ha-1 . The second factor is the type of media with 3 levels of treatment (Soil sand, soil Podsolid and Peat. The treatment combinotion obtained as-mony as 15 combinations of treatment, with a repeat 3 times. The survey results reveoled that (1) the interaction of growth media and boiler ash dose showed significantly different results against 2,4 dan 6-wieks after planting variables plant height, amount of leaves on the age, 2, 4 and 6 weeks after, plantig, stem diameter at 4 weeks afier planting, and shoot dry weight lastest research. Treatment combination boiler ash 15 ton / ha and peat media (treatment b4t3) provide significant variahles plant height, leaf amount, diameter of stock, and shoot dry weight.


2018 ◽  
Vol 4 (1) ◽  
pp. 29-37
Author(s):  
Fredy Agus Saputra Pantie ◽  
Titin Apung Atikah ◽  
Lusia Widiastuti

The purpose of this study was to determine the effect of chicken manure and urea on the growth and yield of onion leaves on inland peat soil. The design used was a Completely Randomized Design (CRD) factorial with two treatment factors. The first factor is that chicken manure fertilizer application consists of 4 levels, namely: 0, 5, 10 and 15 tons/ha, and the second factor is the provision of urea that consists of 3 levels, namely: 0, 125 and 250 kg/ha. The variables measured were plant height and fresh weight of the leaves of onion plants. The results showed that the interaction between chicken manure and urea fertilizer had no significant effect on all variables observed at all ages observed. Single factor giving 15 tons/ha of chicken manure fertilizer showed growth and better results on the average variable plant height and fresh weight of the leaves of onion plants in inland peat soil. Single factor giving of urea 250 kg/ha showed growth and better results on the average variable plant height and fresh weight of onion plants in inland peat soil.


Agric ◽  
2017 ◽  
Vol 29 (2) ◽  
pp. 147-157
Author(s):  
Rejo Wagiman ◽  
Yohanes Hendro Agus

Research on the effect of planting times, using straw, and planting refugia against growth and yield of corn (Zea mays L.) NK 6326variety, it’s pest and diasaes and natural enemies had been conducted in Tulung sub-district, Klaten district, Central Java province.The purpose of this research was to determine the effect of two different planting time based on “pranata mangsa” time (local wisdom) and farmer’s planting time which were combined with using straw and planting refugia against growth and yield of corn, it’s pest and diseases, it’s natural enemies population. This research used a Strip Plot Design with two main treatments with four additional treatments, and five replications. The main treatments were planting time based on farmer habit (A1) and planting time bades on “pranata mangsa” or ancient local wisdom (A2). Additional treatments included: using straw mulch and planting “refugia” (B1), using only straw mulch (B2), planting only “refugia” (B3), and without using straw mulch and without planting “refugia” (B4). The result of the experiment were analyzed by using the Analysis of Variance (ANOVA) and the Honestly Significance Difference (HSD) test at 95% confidence level. The result of this research showed that: (1) planting time based on farmer’s habit were higher than the planting time based on “pranata Mangsa” against plant height, wet weight of mass, dry weight of mass, weight of seded per cob, weight of seed per plot seed weight per hectare, and 1000 grains weight,(2) planting time based on farmer’s habit combined with using straw mulch and planting “refugia” were higer than planting time based on “pranata mangsa” combined with using straw mulch and palnting refugia against plant height, cob length, wet weight of mass, dry weigt of mass, total number of seed per ear, weight of seeds per cob, weight seeds per plot, weight of seed per hectare, and weight of 1000 grains, (3) planting refugia can increase the natural enemy population.


2018 ◽  
Vol 5 (3) ◽  
Author(s):  
A F A Putra ◽  
N D Hanafi ◽  
Hamdan ◽  
M Tafsin ◽  
R E Mirwandhono

This study aims to determine effects of production of Brachiaria decumbens grass on different drought stress treatments. Research was conducted at the Greenhouse Faculty of Agriculture University of North Sumatera from Desember 2016 until April 2017. The design used was Completely Randomized Design (CRD), with three treatments and seven replications. The treatment consisted of three levels of drought stress which were control (100% field capacity=fc), medium drought stress (25% fc), and heavy drought stress (50% fc). The variable were fresh weight production, dry weight production and plant height. The results showed that drought stress treatment control (100% fc) significantly (P<0,05) affect fresh weight production, dry weight production, but not plant height. It is concluded that increasing water volume of field capacity increase production Brachiaria decumbens grass.


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