scholarly journals Penggunaan Metode Pemupukan Awal Broadcast Incorporated Menggunakan Mesin Tanam Terintegrasi Dan Pengaruhnya Pada Fase Awal Pertumbuhan Tanaman Jagung

2018 ◽  
Vol 11 (2) ◽  
pp. 57-66
Author(s):  
Agustami Sitorus
Keyword(s):  
Coefficient Of Variation ◽  
Sweet Corn ◽  
Fertilizer Application ◽  
Hybrid Corn ◽  
Starter Fertilizer ◽  
Length Width ◽  
Number Of Leaves ◽  
Corn Plants ◽  
Planting Method ◽  
The Impact

Abstract. Aplikasi penggunaan pupuk kimia pada pertanian yang belum tepat takaran, waktu, jenis dan tempat pemberiannya menjadi isu pencemaran lingkungan di dunia akhir dekade ini. Suatu metode pemupukan yang lebih presisi dan efisien terus dicari dan diteliti hingga saat ini. Metode penebaran pupuk di dalam tanah (broadcast incorporated) menjadi hal baru yang terus dikembangkan. Oleh karena itu, penelitian ini bertujuan untuk mengukur penyebaran pupuk hasil aplikasi metode pemupukan broadcast incorporated sebagai pupuk awal (starter) untuk budidaya jagung. Aplikasi pemupukan awal menggunakan mesin penanam dan pemupuk jagung terintegrasi yang telah dikembangkan pada penelitian sebelumnya. Untuk mengetahui dampak penggunaan metode pemupukan dan mesin tersebut dilakukan pengamatan terhadap 20 tanaman jagung. Pengamatan dilakukan hingga 14 hari setelah tanam (HST) terhadap tinggi dan jumlah daun yang muncul dari benih jagung hibrida dan jagung manis. Metode tanam yang digunakan adalah jajar legowo dengan 1-3 benih per lubang tanam dan jarak antar tanamannya adalah ± 20 cm. Sebuah kotak persegi berukuran panjang, lebar dan tinggi masing-masing 15 cm, 15 cm, dan 15 cm didesain sebagai peralatan untuk pengambilan sample. Wadah tersebut diberi sekat setiap 5 cm sehingga terdapat 27 ruang dalam kotak tersebut. Jenis pupuk yang digunakan adalah NPK dengan distribusi ukuran butiran 2.36 mm - 4.76 mm sebanyak 81.20%. Dosis pemupukan yang diterapkan adalah 150 kg/ha atau 11.25 g/m alur tanam. Hasil penelitian menunjukkan bahwa pada semua sekat sampel ditemukan pupuk NPK dengan rata-rata 0.071±0.035 g. Hal ini mengindikasikan bahwa pupuk telah tercampur dan tersebar didalam tanah. Nilai coefficient of variation dari sebaran pupuk termasuk dalam klasifikasi sangat teracak atau tercampur. Hasil pengamatan menunjukkan bahwa parameter tinggi tanaman dan jumlah daun pada benih jagung hibrida dan jagung manis (14 HST) masing-masing adalah 11.9±2.6 cm, 3.85±0.4 daun, 10.7±2.3 cm, 3.4±0.5 daun. The Use Of Broadcast Incorporated As A Method Of Starter Fertilizers Using Integrated Corn Transplanter And The Effect On The First Phase Of Corn Growth Abstrak. The application of chemical fertilizers to agriculture that is not precisely measured, not on time, not suitable for the type and not ideal for the place becomes an issue of environmental pollution at the end of this decade. A more precise and efficient fertilization method is continually being search and investigation to date. The method of broadcast incorporated is a new thing that continues to be developed. Therefore, this study aims to measure the broadcast incorporated of fertilizers as a starter fertilizer for corn cultivation. The starter fertilizer application uses integrated corn growers and fertilizers which have been developed in previous studies. A total of 20 corn plants were observed to determine the impact of using the fertilization method and the machine. Observations were made up to 14 days after planting (DAP) on the height and number of leaves that emerged from hybrid corn seeds and sweet corn. The planting method used is jajar legowo with 1-3 seeds per planting hole, and the distance between plants is ± 20 cm. A container of length, width, and height of 15 cm, 15 cm, and 15 cm respectively is designed as equipment for sampling. The container is given an insulation every 5 cm so that there are 27 spaces in the box. The type of fertilizer used is NPK with a grain size distribution of 2.36 mm until 4.76 mm as much as 81.20%. The applied fertilizer dose is 150 kg/ha or 11.25 g / m planting groove. The results showed that in all sample partition NPK fertilizer was found with an average of 0.071±0.035 g. This indicates that the fertilizer has been mixed and spread in the soil. The value of the coefficient of variation from the distribution of fertilizers included in the classification is highly randomized or mixed. The results showed that the parameters of plant height and the number of leaves on hybrid corn seeds and sweet corn (14 DAP) were 11.9±2.6 cm, 3.85±0.4 leaves, 10.7±2.3 cm, 3.4±0.5 leaves, respectively.

scholarly journals PENGARUH JARAK TANAM JAGUNG TERHADAP PERTUMBUHAN DAN HASIL JAGUNG SERTA KACANG TANAH YANG DITANAM SEBAGAI TANAMAN SELA

AGRICA ◽  
2020 ◽  
Vol 6 (1) ◽  
pp. 43-52
Author(s):  
Murdaningsih Murdaningsih ◽  
Ambrosius Lai
Keyword(s):  
Experimental Design ◽  
Block Design ◽  
Dry Weight ◽  
Growth And Yield ◽  
Randomized Block Design ◽  
Number Of Leaves ◽  
Corn Plants ◽  
Planting Distance ◽  
The Impact ◽  
Corn Grains

This research aims to find the effect of planting distance on the growth and yield of corn plants which were planted with peanut as intercropping plant, and the impact on the yield of peanuts planted as an intercropping plant as well as to know planting distance for corn and peanut. The experimental design used was randomized Block Design with six treatments namely J1; 55 cm x 40 cm, J2; 60 cm x 40 cm, J3; 65 cm x 40 cm, J4; 70 cm x 40 cm, J5; 75 cm x 40 cm, and J6; 80 cm x 40 cm, while peanuts are planted in the central part of the line, and the corns rows are repeated four times so that there are 24 compartments of research. Results of the study indicated that there is a significant effect on the growth and yield of corn at a distance of 75 cm x 40 cm as well as peanuts planted as an intercropping plant with high corn sidelines range from  32,08 – 132,55 cm, a number of leaves revolve around 4.17 – 9.25 strands, leaf area range from 25,84 – 52.80 cm, corncob diameter of 10.09 cm, corncob weight tan-1 171,33 gram ha-1 5,68 ton, dry weight grain of corn  tan-1 80,13 grand ha-1 3,80 ton, as well as the weight of 100 grain of corn is 32,17 gram, whereas number of pods of peanut is 26,63 prolong, pods weight tan-1 88,13 grand ha-1 3,17 ton, dry weight of corn tan-1 31,25 grand ha-1 1,31 ton, and weight of 100 corn grains are 19,22 gram.

scholarly journals The Influence of the Application Technique and Amount of Liquid Starter Fertilizer on Corn Yield

Agriculture ◽  
2020 ◽  
Vol 10 (8) ◽  
pp. 347
Author(s):  
Milan Drazic ◽  
Kosta Gligorevic ◽  
Milos Pajic ◽  
Ivan Zlatanovic ◽  
Velibor Spalevic ◽  
...  
Keyword(s):  
Electronic Device ◽  
Mineral Fertilizer ◽  
Fertilizer Application ◽  
Optimal Choice ◽  
Fertilizer Treatment ◽  
Corn Yield ◽  
Application Technique ◽  
Starter Fertilizer ◽  
Novel Device ◽  
The Impact

The aim of this research was to study the impact of application technique and rate of liquid starter fertilizer applied with a novel device on the production of corn. Starter fertilizer was applied in the root system range of freshly germinated plants in the ‘belt’ and ‘point’ forms at different quantities (35, 50, 70, and 100 L ha−1), which led to intensive plant growth in the initial stages of development. This adapted system was used for sowing and for application of the liquid starter fertilizer at the same time. The field trial was set up at two sites (two different land types), in the conditions of the natural water regime of the soil during the three vegetation seasons in the period 2016–2018. For this purpose, a prototype of the electronic device EUKU-01 was designed. The starter fertilizer was applied at 5 cm laterally from the row where the sowing was performed and 5 cm below the depth at which the corn seeds were sown. Data were statistically analyzed by two-factor analysis of variance, where the influence of mineral fertilizer treatment and the influence of liquid starter fertilizer treatment were observed as factors. The results showed that the optimal choice of the technique of liquid starter fertilizer application can result in fertilizer savings by 30% without reducing yield.

scholarly journals The Influence of Guano Organic Fertilizer in Sustainable Agricultural Systems on Growth and Results of Sweet Corn Plants (Zea mays saccharata L)

2020 ◽  
Vol 3 (2) ◽  
pp. 128-138
Author(s):  
Lukman
Keyword(s):  
Zea Mays ◽  
Plant Height ◽  
Sweet Corn ◽  
Organic Fertilizer ◽  
Fruit Weight ◽  
Stem Diameter ◽  
Organic Fertilizers ◽  
Growth And Yield ◽  
Number Of Leaves ◽  
Corn Plants

The availability of renewable natural resources needs to be maintained as biological and sustainable survival, the use of guano or bat droppings is one of them, bat droppings can be used as an ingredient for making organic fertilizers for plant growth and yields, so this study aims to determine the effect of guano organic fertilizer dosage. on growth and yield of sweet corn (Zea mays saccharata L). This research was conducted on agricultural land using beds measuring 300 cm x 200 cm x 20 cm. using 4 (four) treatments and 4 (four) replications. Fertilizer dosage treatments were: g0 = without Guano organic fertilizer, g1` = 3 tons of guano organic fertilizer. ha-1 or 1.8 kg. plot-1, g2 = 5 tons of guano organic fertilizer. ha-1 or 3 kg. plot-1, g3 = 7 tons of guano organic fertilizer. ha-1 or equivalent to 4.2 kg. Plot-1. Observation parameters consisted of plant height (cm), number of leaves (strands), stem diameter (cm), fruit diameter (cm), fruit length (cm), fruit weight per plot (kg). The results showed that the use of various doses of organic fertilizer guano g3 = 7 tonnes of organic fertilizer guano ha -1 or equivalent to 4.2 kg/plot had a significant (P < 0.05) effect on plant height, number of leaves of sweet corn plants, and a very significant effect. significantly (P < 0.01) on cob diameter, stem diameter, and fruit weight per plot. The use of guano or bat droppings as organic fertilizer at increasing doses up to 7 tons.ha-1 gave the best results for all research parameters. Bat populations as producers of guano or organic fertilizers need to be maintained and preserved in a sustainable agricultural system.

scholarly journals PEMUPUKAN UREA DAN PACLOBUTRAZOL TERHADAP PERTUMBUHAN TANAMAN JAGUNG MANIS (Zea mays saccharata Sturt.)

EUGENIA ◽  
2012 ◽  
Vol 18 (1) ◽  
Author(s):  
Pemmy Tumewu ◽  
Paula Ch. Supit ◽  
Ridson Bawotong ◽  
Anni E. Tarore ◽  
Selvie Tumbelaka
Keyword(s):  
Zea Mays ◽  
Nitrogen Fertilizer ◽  
Randomized Trials ◽  
Sweet Corn ◽  
Higher Plants ◽  
Urea Fertilizer ◽  
Factor I ◽  
Factor Ii ◽  
Number Of Leaves ◽  
Corn Plants

ABSTRACT The study aims to determine the response of sweet corn plants of urea fertilizer and the provision of Paclobutrazol. Randomized trials using Design Group (RAK) Factorial pattern. The experiments are a factor I (A): Nitrogen fertilizer, Ao = Without fertilization, A1 = 100 kg N / ha, A2 = 200 kg N / ha, and Factor II (B): The concentration of Paclobutrazol ie, Bo = Without Paclobutrazol, B1 = 500 ppm, B2 = 1000 ppm. Variables observed were: 1) Higher Plants, 2) The number of leaves. Data were analyzed using a variety of analysis followed by LSD 5%. The results showed that the interaction between nitrogen fertilizer and Paclobutrazol is not significant  on sweet corn plants but interaction on the number of leaves. Paclobutrazol independently affect the height of sweet corn plants. Giving Paclobutrazol 500 ppm and 1000 ppm to corn plants are shorter than without Paclobutrazol. Keywords: Nitrogen fertilizer, Paclobutrazol, and sweet corn crops ABSTRAK Penelitian bertujuan untuk mengetahui respon tanaman jagung manis terhadap pemupukan urea dan Paclobutrazol. Percobaan acak menggunakan Design Group (RAK) pola faktorial. Percobaan adalah faktor I (A): pupuk Nitrogen e Ao = Tanpa pembuahan, A1 = 100 kg N / ha, A2 = 200 kg N / ha, dan Faktor II (B): Konsentrasi Paclobutrazol yaitu, Bo = Tanpa paclobutrazol, B1 = 500 ppm, B2 = 1000 ppm. Variabel yang diamati adalah: 1) Tanaman tinggi, 2) Jumlah daun. Data dianalisis dengan menggunakan berbagai analisis diikuti oleh Uji Perbedaan Terkecil Real (LSD) 5%. Hasil penelitian menunjukkan bahwa interaksi antara pupuk nitrogen dan Paclobutrazol tidak nyata pada tinggi tanaman jagung manis tapi interaksi nyata pada jumlah daun. Paclobutrazol mempengaruhi tinggi tanaman jagung manis. Pemberian Paclobutrazol 500 ppm dan 1000 ppm memberikan tanaman jagung lebih pendek daripada tanpa Paclobutrazol. Kata kunci: Pupuk nitrogen, Paclobutrazol, dan tanaman jagung manis

scholarly journals Application of litters to inhibit nitrification in Vertisols on sweet corn (Zea mays S.)

2021 ◽  
Vol 18 (1) ◽  
pp. 48
Author(s):  
Supriyadi Supriyadi ◽  
Adiprasetya Widyatama ◽  
Gadis Mona Prinandhika ◽  
Purwanto Purwanto ◽  
Sri Hartati
Keyword(s):  
Sweet Corn ◽  
Nitrogen Fertilizers ◽  
Nitrate Content ◽  
Tithonia Diversifolia ◽  
Senna Siamea ◽  
Randomized Design ◽  
Number Of Leaves ◽  
Maize Plants ◽  
Albizia Falcataria ◽  
Corn Plants

<p>Nitrification, or the process of oxidation of ammonium to nitrate in the soil, needs to be inhibited because it reduces the efficiency of nitrogen fertilizers. Vertisols have 2:1 minerals and have high negative charge, so ammonium is more absorbed by soil particles, whereas nitrate is free to move in the soil and diffuses into the plant tissue or is leached with gravity water. This study aimed to determine the litter treatment that can inhibit the nitrification process in Vertisols on sweet corn plants. This research was conducted in June until November 2019 in the Plastic House of Plesungan, Gondangrejo, Karanganyar, Indonesia. This study used a basic completely randomized design with a single factor (litter type) as an immobilizer. The types of litter used in this study were <em>Gliricidia maculata</em>, <em>Albizia falcataria</em>, <em>Senna siamea</em>, and <em>Tithonia diversifolia</em>. The parameters observed were ammonium content, nitrification potential, average nitrate content, actual nitrification, plant height, number of leaves, and dry crown plant. <em>Tithonia diversifolia</em> gave the highest actual nitrification of 23.26%. <em>Senna siamea</em> has the lowest actual nitrification of 12.36%, followed by <em>Gliricidia maculata</em> with 17.39% and <em>Albizia falcataria </em>with<em> </em>17.67%. This shows that the <em>Tithonia diversifolia</em> litter has the highest value in inhibiting nitrification. Maize plants treated with the <em>Tithonia diversifolia</em> litter had the best plant growth compared to those applied with other treatments. Therefore, among the treatments used, the <em>Tithonia diversifolia</em> litter was most optimal in inhibiting nitrification in Vertisols.</p>

scholarly journals RESPONS PEMBERIAN BERBAGAI DOSIS MOL DAUN KELOR DENGAN PENAMBAHAN KULIT BUAH PISANG TERHADAP PERTUMBUHAN DAN HASIL TANAMAN JAGUNG MANIS

2019 ◽  
Vol 9 (1) ◽  
pp. 12-18
Author(s):  
Kurniawan Dj Laepo ◽  
Aris Aksarah Pas ◽  
Idris Idris
Keyword(s):  
Sweet Corn ◽  
Block Design ◽  
Growth And Yield ◽  
Randomized Block Design ◽  
Affected Plant ◽  
Number Of Leaves ◽  
The Government ◽  
Corn Plants ◽  
Mixed Age ◽  
Central Sulawesi

This study aims to study and determine the effect of various doses of Moringa leaf Mole by adding banana peels to the growth and yield of sweet corn plants (Zea mays saccharata Sturt.) Because they see that the development of environmentally friendly agriculture is a must for the continuity of production and health. These efforts have been recommended by the government, one of the efforts made is to conduct an organic farming business. This research was carried out in the Kalukubula Sub-District, Dolo District, Sigi Regency, Central Sulawesi Province. This study used a one-factor randomized block design (RBD), grouping was done based on the direction of the arrival of sunlight by treating various doses of MOL Moringa leaves with the addition of banana peels. The treatment tried consisted of 4 levels, namely: PM0: No MOL (Control), PM1: 200 ml + 2 liters of water / plot, PM2: 400 ml + 2 liters of water / plot, PM3: 600 ml + 2 liters of water / plot . Each treatment that was tried was repeated three (3) times, then there were 3 x 4 = 12 experimental units. To determine the effect of the treatment that was tried on plants, a variety of analyzes and treatments were carried out which significantly affected followed by a BNJ test α = 0.05. The results showed that the response of various doses of mole dun moringa with the addition of banana peels to the growth and yield of sweet corn on observing the number of leaves, stem circumference, mixed age, ear length, ear circumference, ear weight (g), ear weight per plot ( kg) and weight of ear per hectare (t) did not have a significant effect, while the treatment of Moringa leaf Mole with the addition of banana peels at a dose of 600 ml + 200 liters of water (PM3) significantly affected plant height at 15, 30 and 45 HST (28 , 70, 52.15 and 96.28) and the length of leaves at the ages of 15, 30 and 45 HST (20,14, 41,07 and 67,32) in sweet corn plants.

scholarly journals Effects of agronomic factors on yield and quality of whole corn plants and the impact of feeding high concentrations of corn silage in diets containing distillers grains to finishing cattle1

2017 ◽  
Vol 1 (3) ◽  
pp. 367-381 ◽  
Author(s):  
D. B. Burken ◽  
B. L. Nuttelman ◽  
J. L. Gramkow ◽  
A. L. McGee ◽  
K. M. Sudbeck ◽  
...  
Keyword(s):  
Corn Silage ◽  
Distillers Grains ◽  
Net Energy ◽  
Harvest Time ◽  
Marbling Score ◽  
Finishing Diets ◽  
Plant Yields ◽  
Corn Plants ◽  
The Impact ◽  
Corn Grain

Abstract Corn plants were sampled over 2 consecutive years to assess the effects of corn hybrid maturity class, plant population, and harvest time on whole corn plant quality and yield in Nebraska. A finishing experiment evaluated the substitution of corn with corn silage in diets with corn modified distillers grains with solubles (MDGS). The first 2 harvest dates were at the mid- and late-silage harvest times whereas the final harvest was at the grain harvest stage of plant maturity. Whole plant yields increased as harvest time progressed (yr 1 quadratic P &lt; 0.01; yr 2 linear P &lt; 0.01). However, differences in TDN concentration in both years were quite minimal across harvest time, because grain percentage increased but residue NDF in-situ disappearance decreased as harvest time was delayed. In the finishing experiment, as corn silage inclusion increased from 15 to 55% (DM basis) by replacing dry rolled and high moisture corn grain with corn silage in diets containing 40% MDGS, DMI, ADG, and G:F linearly decreased (P ≤ 0.01), with the steers on the 15% corn silage treatment being 1.5%, 5.0%, and 7.7% more efficient than steers on treatments containing 30, 45, and 55% corn silage, respectively. Calculated dietary NEm and NEg decreased linearly as corn silage inclusion increased indicating that net energy values were greater for corn grain than for corn silage. In addition, dressing percentage decreased linearly (P &lt; 0.01) as silage inclusion increased suggesting more fill as silage inclusion increases in diets. Cattle fed greater than 15% corn silage in finishing diets based on corn grain will gain slower and be slightly less efficient and likely require increased days to market at similar carcass fatness and size. When 30% silage was fed with 65% MDGS, DMI, and ADG were decreased (P &lt; 0.01) compared to feeding 30% silage with 40% MDGS suggesting some benefit to including a proportion of corn in the diet. Conversely, when 45% silage was fed with 40% MDGS, ADG, and G:F were greater (P &lt; 0.04) than when 45% silage was fed with just grain implying a greater energy value for MDGS than for corn grain. Substituting corn silage for corn grain in finishing diets decreased ADG and G:F which would increase days to finish to an equal carcass weight; however, in this experiment, increasing corn silage levels with MDGS present reduced carcass fat thickness without significantly decreasing marbling score.

Seed cone traits and insect damage in Tsuga canadensis (Pinaceae)

2004 ◽  
Vol 34 (1) ◽  
pp. 261-265 ◽  
Author(s):  
Jean J Turgeon ◽  
Chuck Jones ◽  
M Isabel Bellocq
Keyword(s):  
Seed Production ◽  
Tsuga Canadensis ◽  
Insect Damage ◽  
First Report ◽  
Seed Cone ◽  
Length Width ◽  
Maximum Proportion ◽  
Sterile Seed ◽  
The Impact ◽  
Filled Seeds

We measured seed cones of Tsuga canadensis (L.) Carrière, assessed seed potential (number of fertile scales × 2) and seed efficiency (number of filled seeds/seed potential), and estimated the impact of Eupithecia mutata Pearsall (Lepidoptera: Geometridae) and Megastigmus hoffmeyeri Walley (Hymenoptera: Torymidae) on seed production. Mean length, width, and volume of healthy cones varied little among sites from Ontario. Cones had about 28 scales; 13 were sterile. Seed potential and seed efficiency differed among sites, ranging from 25 to 31 ovules and 24% to 72%, respectively. The number of scales (both sterile and fertile) increased with cone volume, but the proportion of fertile scales was independent of cone size. The maximum proportion of cones infested by E. mutata was 21%. On average, each larva destroyed >90% of the filled seeds from each cone, thus from a practical perspective, the proportion of T. canadensis seeds destroyed per site was equivalent to the proportion of seed cones infested. The proportion of cones infested by M. hoffmeyeri ranged from 9% to 40%, but the proportion of seeds destroyed per site (range: 1.1%–6.1%) was much lower than that of E. mutata. The maximum number of M. hoffmeyeri-infested seeds per cone was seven. To our knowledge, this is the first report documenting cone traits of T. canadensis and the impact of E. mutata and M. hoffmeyeri.

Developmental and reproductive effects of clothianidin exposure in monarch butterflies (Lepidoptera: Nymphalidae)

2021 ◽  
pp. 1-16
Author(s):  
Alana A.E. Wilcox ◽  
Amy E.M. Newman ◽  
D. Ryan Norris
Keyword(s):  
Egg Size ◽  
Insect Pests ◽  
Danaus Plexippus ◽  
Crop Damage ◽  
High Dose ◽  
Monarch Butterflies ◽  
Insecticide Treatment ◽  
Late Instar ◽  
Length Width ◽  
The Impact

Abstract Neonicotinoid insecticides are used to reduce crop damage caused by insect pests, but sublethal levels could affect development and reproduction in nontarget insects, such as monarch butterflies (Danaus plexippus) (Lepidoptera: Nymphalidae). To investigate the impact of field-realistic concentrations of the neonicotinoid clothianidin on monarch butterflies, we grew swamp milkweed (Asclepias incarnata) (Apocynaceae) in either low (15 ng/g of soil) or high (25 ng/g of soil) levels of clothianidin, or in a control (0 ng/g), then raised monarchs on the milkweed. Morphological traits of monarch caterpillars were measured during development and, once they eclosed, were mated as adults to quantify egg size and mass and the number of eggs laid. Although the effects of the treatment had complex effects on caterpillar length, width and volume of late-instar caterpillars were negatively affected. Fifth-instar caterpillars from the high-dose insecticide treatment had lower mass than other groups. Adult monarch butterflies raised on treated milkweed were larger than controls, but clothianidin exposure did not affect the number of eggs laid or egg size. Although the magnitude of the effect depends on clothianidin concentration, our results suggest that exposure to clothianidin during early life can impact monarch caterpillar development but is unlikely to reduce female reproductive output.

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