scholarly journals Pengaruh Macam Tanaman Sela Terhadap Pertumbuhan Dan Hasil Jarak Pagar (Jatropha curcas L.) Hasil Rehabilitasi Tahun Ketiga

2016 ◽  
Vol 5 (2) ◽  
pp. 69
Author(s):  
Sri Mulyaningsih ◽  
Budi Hariyono

<p>Pada pertanaman jarak pagar yang masih muda (umur 1–2 tahun) dengan jarak tanam 2 m x 2 m ada lahan kosong yang tidak termanfaatkan. Upaya optimalisasi pemanfaatan lahan adalah menanam tanaman sela, sehingga petani mempunyai pendapatan dari tanaman sela sebelum jarak pagar menghasilkan. Penelitian ini bertujuan untuk mengetahui pengaruh tanaman sela terhadap pertumbuhan dan hasil jarak pagar dan men-dapatkan macam tanaman sela yang sesuai pada jarak pagar hasil rehabilitasi (penyambungan) pada tahun ketiga. Penelitian dilaksanakan di Kebun Percobaan Muktiharjo, Kabupaten Pati, Jawa Tengah mulai bulan Januari hingga Desember 2011, menggunakan rancangan acak kelompok diulang enam kali. Perlakuan yang diuji adalah: 1) jarak pagar + kacang tanah, 2) jarak pagar + kedelai, 3) jarak pagar + kacang hijau, 4) jarak pagar + wijen, dan 5) jarak pagar tanpa tanaman sela. Ukuran petak 8 m x 8 m, jarak tanam jarak pagar 2 m x 2 m. Jarak tanam tanaman sela kacang tanah, kedelai, dan kacang hijau masing-masing 25 cm x 25 cm, sedangkan jarak tanam wijen 50 cm x 25 cm. Hasil penelitian menunjukkan bahwa hasil biji kering tanaman jarak pagar dengan tanaman sela kedelai, kacang hijau, dan wijen tidak berbeda nyata dengan hasil biji kering jarak pagar monokultur kecuali dengan kacang tanah. Hasil biji kering jarak pagar + kedelai 655,87 kg/ha + 1.316,07 kg/ha; jarak pagar + kacang hijau 644,70 kg/ha + 1.557,5 kg/ha; jarak pagar + wijen 511,49 kg/ha + 1.416,67 kg/ha; jarak pagar + kacang tanah yaitu 358,31 kg/ha + 1.015,28 kg/ha; dan hasil biji kering tanaman jarak pagar tanpa tanaman sela 602,27 kg/ha. Tumpang sari jarak pagar dengan keempat macam tanaman sela (kacang tanah, kedelai, kacang hijau, dan wijen), efisien dalam pemanfaatan lahan dan layak secara ekonomi untuk ditanam dan dikembangkan bersama dengan tanaman jarak pagar rehabilitasi tahun ketiga dengan nilai NKL masing-masing: 1,32; 1,64; 1,98; 1,72 dan B/C ratio 4,79; 1,88; 5,71; 7,03.</p><p> </p><p>In young jatropha plantation (1–2 years aged) with 2 m x 2 m spacing there is fallow land. The effort to optimize of land use was by planting intercrops, so that the farmers get income before the jatropha plant produce. This study aimed to determine the effect of intercrops on growth and yield of jatropha and get suitable intercrops in the jatropha rehabilitated plantation (by grafting) in the third year. Research was conducted at Muktiharjo Research Station, Pati, Central Java from January to December 2011. The experiment was arranged in randomized block design with 6 replications. Treatments were 1) intercropping physic nut + peanut, 2) intercropping physic nut + soybean, 3) intercropping physic nut + mungbean, 4) intercropping physic nut + sesame, and 5) physic nut monoculture. Plot size was 8 m x 8 m, plant distance of physic nut were 2 m x 2 m, and plant distances for peanut, soybean, and mungbean were 25 cm x 25 cm and for sesame was 50 cm x 25 cm. Result showed that intercropping was not significantly effect on seed yield of physic nut, however intercropping physic nut with peanut decreased the physic nut seed yield. Seed yield of intercropping physic nut + soybean 655.87 kg/ha + 1,316.07 kg/ha; physic nut + mungbean 644.70 kg/ha + 1,557.55 kg/ha; physic nut + sesame 511.49 kg/ha + 1,416.67 kg/ha; physic nut + peanut 358.31 kg/ha + 1,015.28 kg/ha; and physic nut monoculture 602.27 kg/ha. Intercropping physic nut with four kinds of intercrop plant (peanut, soybean, mungbean, and sesame), efficient land use and economically viable for the grown and developed along with physic nut rehabilitation third year with the value of each land equi-valent ratio (LER) 1.32; 1.64; 1.98; 1.72 intercropping and B/C ratio 4.79; 1.88; 5.71; and 7.03.</p>

Author(s):  
A. Nikhila Vaagdevi ◽  
T. Suresh Kumar ◽  
P. Prasanth ◽  
A. Kiran Kumar ◽  
A. Kiran Kumar ◽  
...  

The present research was conducted during September 2018 to June 2019 at Floricultural Research Station, Hyderabad, India to examine the influence of different times of planting on seed attributes in Gaillardia pulchella local cultivars. The experimental design is Factorial Randomized Block Design comprising of two cultivars namely Local yellow (C1) and Local red (with yellow tip) (C2) and five times of planting namely, 1st week of October (T1), 1st week of November (T2), 1st week of December (T3), 1st week of January(T4) and 1st week of February (T5) with three replications. The plot size is 2×2m with spacing followed is 30 × 45 cm. The results revealed that, maximum number of seeds/inflorescence was recorded with T1 (1st week of October) and minimum with T2 (1st week of November). T4 (1st week of January) recorded maximum seed yield /hectare, seed yield/plot and seed yield/plant and minimum in T2 (1st week of November). Germination percentage was recorded maximum with T1 (1st week of October) and minimum with T5 (1st week of February). Among cultivars, significant variation was observed in germination percentage. C1 (local yellow) showed higher germination % than C2 (local red with yellow tip). Interaction effect between cultivars and different planting times was non-significant in all the characters. Hence, it can be concluded that the cultivars namely Local yellow and Local red (with yellow tip) performed well with respect to seed yield. T4 (1st week of January) gave higher seed yield among different planting times and could be the best time of planting for seed production in Gaillardia pulchella.


Author(s):  
Totong Siwanto ◽  
Sugiyanta , ◽  
Maya Melati

ABSTRACT<br />Application of organic fertilizer into the soil is designated as a source of macro, micro nutrients and organic acids; it also acts as soil ameliorant that improve physical, chemical and biological properties of soil. Application of high rates organic fertilizer has a constraint namely the availability and ease of application. Therefore, it is necessary to learn the use of organic fertilizer with low rates to improve the efficiency of chemical fertilizers. This research was aimed to study the effect of organic and inorganic fertilizers on growth and yield of paddy rice, as well as the efficiency of N, P, K inorganic fertilizer. Field experiment was conducted at Sawah Baru Research Station, University Farm IPB, Bogor, West Java from September to December 2013. The experiment used Randomized Block Design consisted of two factors: rates of organic fertilizer (0, 250, 500, 750, and 1,000 kg ha-1), and rates of inorganic fertilizer (0, 100, 200, 300, and 400 kg ha-1). The results suggested that the application of 1,000 kg organic fertilizer ha-1 + 400 kg inorganic fertilizer ha-1 did not show significant interaction. Application of organic fertilizer alone up to 1,000 kg ha-1 resulted in low growth and yield. Increasing rates of  application up to 400 kg inorganic fertilizer ha-1 increased the growth and yield of paddy rice. The highest N efficiency was 89.19% at a rate of 500 kg organic fertilizer ha-1 + 200 kg inorganic fertilizer ha-1, whereas the highest efficiency of P and K, respectively were 69.55% and 92.52% at a rate of 750 kg organic fertilizer ha-1 + 300 kg inorganic fertilizer ha-1.<br />Keywords: NPK, organic fertilizer, paddy rice


2016 ◽  
Vol 17 (2) ◽  
pp. 104
Author(s):  
Tiur S. Silitonga ◽  
Andari Risliawati

<p>The Development of Core Collection for Rice Genetic Resources Tolerant to Drought. The experiment was conducted in dry season, July-September 2009 at the research farm in Jakenan, Central Java and planted in randomized block design (RBD) arrangement by using 150 accessions with the plot size of 5 m x 1 m, with plant spacing 25 cm x 20 cm and three replications. Another experiment used as control and grown as upland rice without drought stresses by watering twice in a week was planted in RBD arrangement with two replications, plot size 5 m x 1 m and spacing 25 cm x 20 cm. The results showed that 26 varieties were selected for sub core collection for drought tolerance. Jatiluhur and B.9645-E-Mr-89 had the highest yield potential respectively 3,88 dan 3,77 t/h. All of the varieties with tolerant to drought were selected for core collection. This would be very important as they could be directly grown by farmers as tolerant varieties or used as sources of gene in the breeding program to improve varieties for drought tolerant with high yielding potential.</p><p> </p><p><strong>Abstrak</strong></p><p>Pembentukan core collection untuk sumber daya genetik padi toleran kekeringan. Penelitian dilaksanakan pada musim kemarau, Juli-September 2009 di Kebun Penelitian Balai Penelitian Lingkungan Pertanian Jakenan, Jawa Tengah, dengan rancangan acak kelompok, tiga ulangan, menggunakan 150 aksesi yang ditanam pada petak berukuran 5 m x 1 m. Tanaman disiram setiap tiga hari sekali sampai tumbuh baik dan setelah berumur 25 hari tanaman mulai dikeringkan. Sebagai petak pembanding adalah tanaman padi gogo biasa yang disiram setiap dua seminggu sekali sampai panen. Pertanaman pembanding ditanam dengan jarak 25 cm x 20 cm. Dari penelitian ini terpilih 26 varietas toleran kekeringan dengan skor 1-5. Di antara aksesi ini terdapat varietas yang berumur genjah dan sedang (115-135 hari), sehingga waktu panennya agak berbeda. Varietas Jatiluhur dan galur B.9645- E-Mr-89 mempunyai potensi hasil paling tinggi, masingmasing 3,88 dan 3,77 t/ha dan toleran terhadap kekeringan. Aksesi yang toleran terhadap kekeringan terutama yang mempunyai potensi hasil tinggi, dapat langsung digunakan oleh petani atau sebagai sumber gen dalam perakitan varietas unggul toleran kekeringan dan berpotensi hasil tinggi.</p>


Author(s):  
Eni Sumarni ◽  
Noor Farid ◽  
Loekas Soesanto ◽  
Jajang Juansah

Planting potatoes in the tropical lowlands as an effort to reduce the adverse effects of planting in the highlands such as erosion, pests and plant diseases has been carried out and the tubers have been successfully obtained. Planting of potato seeds was carried out with an aeroponic system and climate modification in the root zone cooling environment. Climate modification is carried out at an altitude of 250 m asl and <125 m asl. The stability of the temperature in the aeroponic chamber can be maintained by regulating the time of spraying cold nutrients through the nozzles to the root area. However, the importance of the time to provide nutrition in order to maintain the optimal temperature of the root area in aeroponic systems in the lowlands has not been widely reported scientifically. The purpose of this study was to obtain the appropriate time for nutrition in order to maintain optimal chamber temperature and to have an effect on the growth and yield of potato seeds. The research was conducted in the greenhouse of the Faculty of Agriculture, Jenderal Soedirman University, Purwokerto, Central Java, Indonesia. Height of place <125 m above sea level. The study was conducted from July to September 2017. The factors that were tried in the study were as follows: 1. Length of time for nutrition (T): T1: 2.5 minutes OFF and 15 minutes ON; T2: 5 minutes OFF, 15 minutes ON, T3: 10 minutes OFF, 15 minutes ON, T4: 15 minutes OFF, 15 minutes ON, 2. Varieties (V): V1 (Atlantic), V2 (Granola). Growth parameters observed: plant height, number of leaves, number of tubers, tuber weight. Experiment using a randomized block design with 3 replications. The data were analyzed by F test and continued with Duncan’s Multiple Range Testof 5% level.The results showed that the duration of nutrient administration by setting a timer gave different results on the growth and development of aeroponic plants of potato seeds in the lowlands 125 m above sea level. The duration of nutrition administration 2.5 minutes OFF gave the highest number of tubers and tuber weight compared to the duration of nutrition 5 minutes, 10 minutes and 15 minutes OFF. The number of tubers obtained is 7.3 tubers / plant with boto an average of 2 mg. The duration of nutrition is 5 minutes, 10 minutes and 15 minutes OFF does not produce tubers.


Author(s):  
Subhashree Behera ◽  
Poonam Preeti Pradhan ◽  
Gayatri Sahu ◽  
Gour Hari Santra

The present study was conducted in research plots of Central Horticultural Research station (CHES) during Rabi season 2018-2019 on Integrated Nitrogen management in chilli under lateritic soils of Odisha. The field experiment was laid out in Randomized Block Design comprising of eight treatments replicated thrice. It was observed that the substitution of N through vermicompost to the extent of 50% and remaining 50% as urea proved to be considered as the best treatment amongst different combinations of organic sources with urea (RDF). The highest yield of chilli i.e. both pod yield (14511.4 kg ha-1) and stover yield (901.05 kg ha-1) and plant growth such as plant height, flowering, fruiting, fruit length, fruit girth was observed in T5 due to combination of 50% of N as urea and 50% of N as VC. Integrated use of organic manures along with chemical fertilizers not only produced highest and sustainable crop yields but also enhanced plant growth due to quick mineralization and easy availability.


Author(s):  
Mahima Begum ◽  
Bijnan Chandra Bordoloi

A field experiment was conducted during the three consecutive seasons from 2006-08 on clay loam soil of Sugarcane Research Station, Buralikson, Assam to study the effect of different herbicides along with other cultural practices of weed management of sugarcane. The experimental field was laid out in randomized block design with three replication with the following ten treatments viz. T<sub>1</sub>: control, T<sub>2</sub>: 3 hoeings (1<sup>st</sup> , 4<sup>th</sup> and 7<sup>th</sup> week), T<sub>3</sub>: Atrazine@ 2kg a.i/ha + 2,4-D @ 1kg a.i/ ha at 45 days after ratoon initiation, T<sub>4</sub>: atrazine @ 2 kg a.i/ha + 1 hoeing at 45 days after ratoon initiation, T<sub>5</sub>: metribuzine @1 kg a.i/ha + 2,4-D @1 kg a.i/ha at 45 days after ratoon initiation, T<sub>6</sub>: metribuzine @1 kg a.i/ha + 1 hoeing at 45 days after ratoon initiation , T<sub>7</sub>: glycel-41@ 0.4 kg a.i/ha at 3<sup>rd</sup> week stage, T<sub>8</sub>: glycel-41@ 0.4 kg a.i/ha at 3<sup>rd</sup> week + 1 hoeing at 60 days after ratoon initiation, T<sub>9</sub>: trash mulching in alternate rows + hoeing during 1<sup>st</sup> and 6<sup>th</sup> week, T<sub>10</sub>: trash mulching in all rows. Result revealed that all the weed management practices had a significant effect on growth and yield of sugarcane over control. Out of all treatments, pre-emergence spraying of metribuzine @1 kg a.i/ha followed by spraying of 2, 4-D @1 kg a.i/ha at 45 days after ratoon initiation recorded lesser number of weeds and weed dry weight with higher weed control efficiency (80.38%). The same treatment also recorded the higher cane yield (79.6 t/ha) which is followed by pre-emergence spraying of metribuzine @ 1 kg a.i/ha with 1 hoeing at 45 days after ratoon initiation.


Author(s):  
Pandit S. Rathod ◽  
D. H. Patil ◽  
B. M. Doamani

A field investigation was carried out during winter seasons of 2012-13, 2013-14 and 2014-15 at Agricultural Research Station, Gulbarga (Karnataka) to evaluate the effect of pre and post emergence herbicides on weeds and productivity of chickpea cv. JG-11. Ten treatments were tested in randomized block design with three replications. Among the herbicidal treatments, pendimethalin 38% CS 0.75 kg a.i ha-1PE + hand weeding (HW) at 30-35 days after sowing (DAS) and pendimethalin 30% EC 0.75 kg a.i ha-1+ imazethapyr 2% 1.0 kg a.i ha-1 PE + one hoeing at 30-35 DAS recorded significantly higher seed yield (1198 kg ha-1), net returns (Rs. 25107 ha-1) and B:C ratio (2.10) and lower weed dry weight (11.3 g m-2) and higher weed control efficiency (83%) than all other herbicidal treatments except two hand weedings at 20 and 40 DAS. It may be inferred from the present investigation that these herbicidal treatments could be used effectively as an alternative for controlling weeds and obtaining optimum seed yield of chickpea under rainfed conditions of Karnataka.


Author(s):  
Resmayeti Purba

<p>Penelitian yang bertujuan untuk mengetahui respon dari pertumbuhan dan produksi kedelai terhadap pemupukan hayati (Agrimeth dan Gliocompost) pada lahan kering dilakukan di Kabupaten Pandeglang Banten, April –Juni 2016. Penelitian menggunakan rancangan acak kelompok, dengan enam perlakuan: (A). Tanpa pemupukan (kontrol); (B). Pupuk rekomendasi: 100 kg/ha urea + 100 kg/ha SP-36 + 250kg/ha NPK Phonska; (C) Pupuk Hayati Agrimeth 200 g/ha + 25% pupuk rekomendasi; (D). Pupuk Hayati Agrimeth 200 g/ha + 50% pupuk rekomendasi; (E) Pupuk Hayati Gliocompost 20 kg/ha+ 25% pupuk rekomendasi; dan, (F) Gliocompost 20 kg/ha + 50% pupuk rekomendasi. Parameter yang diamati meliputi: tinggi tanaman (cm), panjang akar (cm) dan jumlah bintil akar pertanaman pada 42 hst, jumlah polong isi pertanaman dan hasil biji kedelai kering (t/ha) saat panen. Analisis data 254 Jurnal Pengkajian dan Pengembangan Teknologi Pertanian, Vol. 19, No.3, November 2016: 253-261 menggunakan ANOVA dengan uji lanjutan menggunakan DMRT dengan aplha 5%. Hasil penelitian menunjukkan bahwa perlakuan pemberian Agrimeth 200 g/ha + 50% pupuk rekomendasi berbeda sangat nyata dibandingkan lima perlakuan lainnya terhadap tinggi tanaman, panjang akar, bintil akar, polong isi dan hasil biji kedelai. Perlakuan ini memberikan hasil tertinggi untuk semua parameter yang dianalisis. Respon pertumbuhan dan hasil kedelai terhadap pemberian masing-masing pupuk hayati Agrimeth dan Gliocompost pada budidaya kedelai di lahan kering lebih tinggi dibandingkan perlakuan yang hanya menggunakan pupuk anorganik rekomendasi. Penggunaan Agrimeth 200 g/ha mampu mensubtitusi 50% pupuk anorganik rekomendasi. Pada penggunaan 25% pupuk rekomendasi, penambahan pupuk hayati Agrimeth 200 g/ha mampu mensubtitusi penambahan Gliocompost 20 kg/ha.</p><p><strong>ABSTRACT</strong><br /><br />The Growth and Production of Soybean towards Organic Fertilization on Dryland in Pandeglang, Banten. The study aimed to investigate the response of the growth and production of soybean towards biofertilizer (Agrimeth and Gliocompost) on dry land, in Pandeglang Banten from April to June 2016. The study was a randomized block design, with six treatments: (A). Without fertilization (control); (B). Recommended Fertilizer consist of 100 kg/ha of urea + 100 kg/ha of SP-36 + 250 kg/ha of NPK Phonska; (C) Agrimeth Biofertilizer 200 g/ha + 25% recommended fertilizer; (D). Agrimeth Biofertilizer 200 g/ha + 50% recommended fertilizer; (E) Gliocompost Biofertilizer 20 kg/ha + 25% recommended fertilizer; and (F) Gliocompost Biofertilizer 20 kg/ha + 50% recommended fertilizer. The observed parameters were plant height (cm) after harvest, root length (cm) and the number of root nodules crop at 42nd days, number of filled pods and seed yield of dried soybean crops (t/ha) at harvest. Data were analyzed using ANOVA with advanced test using DMRT with aplha 5%. The results showed that the application of 200 g/ha of Agrimeth + 50% of recommended fertilizer resulted significant differences comparing to the other treatments on plant height, root length, root nodules, filled pods and seed yield of soybean. This treatment contributed the highest result of all parameters. The response of growth and yield of soybean using Agrimeth and Gliocompost as biofertilizer separately in dry land were higher than those applying the recommended anorganic fertilizer. The use of 200 g/ha of Agrimeth could subtitute 50% of recommended anorganic fertilizer. In the application of 25% of recommended anorganic fertilizer, intake of 200 g/ha of Agrimeth were able to subtitute 20 kg/ha of Gliocompost.</p>


2021 ◽  
Vol 23 (3) ◽  
pp. 319-323
Author(s):  
D.A. PATEL ◽  

The experimental material comprised of forty eight genotypes consisting of five Mori based CMS lines and seven Mori based fertile lines crossed in line x tester mating design. The resultant thirty five hybrids along with their twelve parents and standard check (GDM 4) were evaluated in randomized block design at Castor-Mustard Research Station, Sardarkrushinagar Dantiwada Agricultural University, Sardarkrushinagar during, rabi 2018-2019. The analysis of variance for combining ability revealed that variance due to gca was significant for all the characters except number of seeds per siliqua, seed yield per plant and 1000 seed weight. Whereas, variance due to sca was significant for all the traits. This indicates significant contribution of hybrids for specific combining ability variance component. The ratio of σ2gca/σ2sca below than unity for days to maturity, siliqua length, number of seeds per siliqua, seed yield per plant, 1000 seed weight and oil content which suggested greater role of non-additive gene action in the inheritance of these traits. Among the parents, female SKM 9928 and Kranti were good general combiner for seed yield per plant, total number of branches per plant and total number of siliquae per plant. Whereas, male parent Mori 'R' 1-18 was good general combiner for seed yield per plant, total number of branches per plant and total number of siliquae per plant. Best three hybrids which possessed significant positive SCA effects for seed yield per plant were SKM 301 x SKM 303, SKM 9928 x Pusa Agrani and Kranti x Mori ‘R’ 1-18.


Author(s):  
Girish Chandra ◽  
Lokesh Gambhir ◽  
Radha Upadhyay

The availability of micronutrients in the niche defines the growth and yield parameters of chickpea. The present study was conducted to investigate the effect of different levels of biofertilizer with and without molybdenum on growth and seed yield of chickpea, at Seed Production Block, SGRR University, Dehradun, Uttarakhand. The experiment included seven treatment groups replicated thrice in Randomized Block Design. It was observed that all growth and seed yield parameters varied significantly with the application of different levels of biofertilizers with or without molybdenum. The observed results showed that all the plant growth parameters like plant height (54.67 cm), number of primary branches (5.34/ plant), number of pods per plants (64.00), fresh weight of plant (81.66 g) were maximum with treatment T6 (20 g Rhizobium+25 g PSB +0.3 g molybdenum/kg seeds). The number of nodules per plant (28.00) and 1000 seed weight (142 g) were recorded maximum with the application of treatment T7 (25 g Rhizobium + 30 g PSB + 0.3 g molybdenum per kg of seeds). The seed yield of chickpea was recorded maximum (15.67 q/ha) with the application of 20 g Rhizobium along with 25 g PSB and 0.3 g molybdenum per kg of seeds (T6). Thus, our findings indicate that, among all other treatments, the application of 20 g Rhizobium along with 25 g PSB and 0.3 g molybdenum per kg of seeds is suitable for higher seed yield of chickpea in Doon valley of Uttarakhand.


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