The use of NPK fertilizer and bokashi composting, which is a fermented organic matter combined with microbial stock, have been reported as potential agricultural practices to enhance the farming land and crop production. The aim of this research is to understand the type of bokashi fertilizer and the correct dosage of NPK inorganic fertilizer in improving entisol soil quality and shallot yield in the dry land. The research used the split-plot design, which was divided into two factors. The first factor of the main plot was the bokashi type consisting of two levels: 3 t ha-1 of bokashi compost of Gliricidia sp. tree leaves (B1); and bokashi cow manure 3 t ha-1 (B2). The second factor as the subplot was the NPK inorganic fertilizer dose which were consisted of four levels: without fertilizers (K0), NPK 100 kg ha-1 (K1), NPK 200 kg ha-1 (K2), and NPK 300 kg ha-1 (K3). By combination of these two factors 8 combined treatments with 3 replications totally 24 units were obtained. The result of the research showed that application of 3 t ha-1 bokashi cow manure (B2) coupled with NPK inorganic fertilizer at 200 kg ha-1 (K2) caused a decrease in evaporation of its land and soil temperature, while increase shallot bulb yield compared with other treatments. The analysis of soil and soil microbes showed an increase in soil fertility by elevated levels of C-organic from 0.66 % to 3.28 %, N-fixing bacteria from 27 x 10 5 CFU ml-1 to 47 x10 6 CFU ml-1 and phosphate solubilizing bacteria from 20 x10 3 CFU ml-1 to 90 x10 3 CFU ml-1. The shallot bulb yield increased from 4.79 t ha-1 to 11.74 t ha-1 .
The study aimed to obtain the type of mulch and the doses of liquid organic fertilizer proper waste coconut husks in modifying microclimate around crops to obtain the maximum yield of shallot in the dryland. The research was used a factorial randomized complete block design consisting of two factors. The first factor consisting mulches, M1 = silver-black plastic mulch and M2 = straw mulch. The dose of liquid organic fertilizer from coconut husks was the second factor. It is consisting of S0 = without fertilizer, S1 = 500 L ha-1, S2 = 750 L ha-1 and S3 = 1000 L ha-1. The results showed that the application of a combination of mulch and liquid organic fertilizer coconut husk waste significantly affected plant height, number of leaves per plant, number of tillers, and the bulb yield. Straw mulch with coconut husks waste dose of 1000 L ha-1 resulted in plant height, number of leaves per plant, number of tillers and highest bulb yield compared with other treatments. The highest bulb yield was obtained with 9.63 t ha-1.
<p><strong>Background</strong>. Shallot plant is an important commodity in Central Sulawesi because it functions as a raw material in the fried onion home-industry. <strong>Objective.</strong> The aim of this study was to evaluate the effect of mulch and organic fertilizers on the agronomic performance of the “Lembah Palu” variety of shallot (<em>Allium cepa </em>L. var. <em>Aggregatum</em>) on dryland. <strong>Methodology.</strong> The experiment consisted of three types of mulch (no mulching, rice straw, and <em>Gliricidia sepium</em> leaf) and four types of organic fertilizers (no fertilizer, bioculture, biourin and cattle manure compost). The experiment was laid out as a randomized complete block design in a factorial arrangement with three replications. A total of 36 plots were used for the experiment. The agronomic performance measured were: plant height, number of leaves per plant, number of tillers, fresh weight, dry weight, bulb diameter and bulb yield of shallot. Environmental parameters include temperature and humidity. <strong>Result.</strong> Results showed that the application of rice straw mulch plus bioculture organic fertilizer had positive significant effect (<em>P≤ 0.05</em>, respectively) on next agronomic parameters: plant height, number of leaves per plant, number of tillers, fresh weight, dry weight, bulb diameter and yield bulb of shallot. <strong>Implications. </strong>Significantly positive results on the agronomic parameters of shallots indicate that the application of mulch and bioculture organic fertilizers can be used on other crops to increasing the efficiency of dryland.<strong> </strong><strong>Conclusion.</strong> The highest production of shallots was 9.46 t<sup>.</sup>ha<sup>-1</sup>. Thus, it can be recommended that straw mulch at a dose of 5 t<sup>.</sup>ha<sup>-1</sup> and bioculture at a dose of 750 L<sup>.</sup>ha<sup>-1</sup> is better for the growth and yield of shallot in dryland. The use of rice straw mulch and bioculture as organic liquid fertilizer provides benefits to increase productivity, add value to the crop and livestock waste, reduce environmental pollution, and application to plants will produce healthy products.</p><strong></strong>
Dryland has low soil fertility. Efforts that can be made to improve soil fertility are fertilizer technologies such as green manure compost. The aim of this study was to determine the type and dose of green manure to increase the growth, production and nutrient uptake of maize in the dryland. The research was conducted in Sidera Village Sigi Biromaru District, Sigi Regency, Central Sulawesi from June to December 2018. The research used a factorial randomized block design. The first factor is the type of green manure consisting of three levels, namely mungbean green manure (K1), peanut green manure (K2) and Centrosema pubescens green manure (K3). The second factor is the dose of green manure which consists of three levels, namely 5 t. ha-1 (D1), 7.5 t. ha-1 (D2) and 10 t. ha-1 (D3). Thus, there are 9 treatment combinations, each treatment consisting of 3 replications so that there are 27 experimental units. Data were analyzed statistically using the F test and if significantly different it was followed by the least significant difference (LSD) Fisher’s test, P-value 0.05. These results showed that the types and dose of green manure increase the growth and yield of maize, namely leaf area, stem diameter, cob length, the weight of 100 dry shelled seeds, and production per hectare of the dry weight of corn shelled. The highest nutrient uptake and maize production were obtained in the application of C. pubescens green manure at a dose of 10 t. ha-1, namely nitrogen uptake of 7.68%, phosphorus of 0.39%, potassium of 0.09% and yield of 6.44 t. ha-1.
Produktivitas usaha tani di Desa Dolago Padang Kecamatan Parigi Selatan masih sangat rendah disebabkan oleh praktek budidaya masih bersifat konvensional yaitu dengan penggunaan pupuk dan pestisida kimia tergolong intensif. Untuk mengurangi penggunaan input bahan kimia tersebut perlu digalakkan sistem pertanian organik dalam kegiatan usaha tani. Di desa Dolago Padang potensi bahan organik cukup banyak tersedia, namun belum dimanfaatkan. Program kemitraan wilayah (PKW) pertujuan untuk mendampingi petani dalam mengolah sumberdaya lahan dan ternak menjadi produk yang bernilai berupa pupuk organik dan pestisida rasional. Program menggunakan metode pelatihan dan demplot percobaan serta pembinaan dan pendampingan masyarakat. Hasil yang dicapai yakni masyarakat dapat mengembangkan pupuk organik cair biourin dan bioufungisida trihoderma sehingga produk tersebut dapat digunakan untuk mendukung kegiatan usaha tani organik.
Manure compost is a type of organic fertilizer derived from animal feces. Even though compost has a slow-release nature, it can be a good alternative to chemical fertilizers. The addition of Trichoderma sp. as a decomposer microorganism can accelerate nutrient availability. The objective of this study was to determine the effect of the combined application of different types of manure compost and doses of Trichoderma sp. on the growth performance, yield as well as stem rot disease incidence of shallot (Allium cepa L. var. aggregatum). The study was carried out using a split-plot design (P 0.05) with the types of manure compost as the main plot with five levels (no compost, cattle manure, chicken manure, goat manure, and petrogenic compost), and different doses of Trichoderma as subplots with three levels (no Trichoderma, 200 kg ha-1, and 400 kg ha-1). In general, the combined application of manure compost and Trichoderma significantly increased growth performance and yield of shallot compared to no compost (B0) and Trichoderma (T0). However, no differences were observed between manure compost and the addition of Trichoderma. Growth performance of shallots grown in soil amended with cattle manure compost was better compared to the other treatments. The use of 5 t ha-1 cattle manure compost combined with 400 kg ha-1 Trichoderma increased yield by 10.02 t ha-1 and reduced stem rot diseases incidence by 0.67%.
Zero waste agriculture is an agricultural concept oriented around the decomposition cycle of organic materials which integrates agricultural and livestock systems to reprocess waste material. Agricultural waste is used as animal feed while livestock waste/excrement is reprocessed into organic fertilizers. The Regional Partnership Service Program (PKW) aims to assist farmers in developing integrated farming businesses based around zero waste agriculture. PKW was held between May and July 2021 in Tindaki Village, South Parigi District, Parigi Moutong Regency. The implementation of this regional partnership program was carried out through a Participatory Action Programs approach, where partners are directly involved in the adoption and application of the various skills that had been developed. The procedure for activity implementation was carried out through several stages, namely: (a) counseling on zero waste agriculture, (b) training in and application of zero waste agriculture technology in the form of demonstration plots for the application of technological products, (c) coaching and mentoring, and (d) the utilization stage of technology product. The findings from the implementation concluded that the agricultural development training based on zero waste agriculture was a success, and the technology had been adopted by the community, marked by the ability to make and develop compost and liquid organic bio-urine fertilizers. Both types of organic fertilizers had been applied in the demonstration plots to assess their effectiveness in reducing the use of inorganic fertilizers. Rice production is equivalent to 5.6 tons/ha and 6 tons/ha in conventional land. These results show potential benefits for farmers, particularly regarding lower production costs compared to the usage of conventional land. Zero waste agriculture is a method of farming and livestock raising that utilizes their waste products for energy production.
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