Planting pattern factors that regulate population density of plant greatly determine optimal plant growth and production. The “Jajar legowo” system adopted from rice plants was applied to corn plants to obtain the effect of marginal plants. The study wanted to know sweet corn ((Zea mays Linn. var. Saccharata Sturt) ‘Bonanza’ production based on planting patterns on various phosphorus sources. The study used factorial experiments which were arranged based on a randomized block design which was repeated three times with the planting pattern factor including conventional planting 70 cm × 20 cm, jajar legowo (2:1) with 20 cm × 50 cm × 100 cm and dense planting 105 cm × 12.5 cm. Source factor P consists of SP-36, mycorrhiza plus, and biofertilizer. The results showed that there was a significant interaction effect between the planting pattern and source of P on the dry weight of the plant, mostly in the combination treatment of the conventional system with SP 36 was 123.51 g. The weight cobs and corn cobs with cornhusk have the highest weight on the dense planting pattern which is no different significantly from conventional planting pattern.
The development of modern technologies of cultivation must continue, although the conventional harvesting technologies are still providing benefits. For that purpose, we need a comprehensive, effective and efficient standard operating procedures (SOP). This research applies the fuzzy logic control system to construct Standard Operating Procedures (SOP) models of technology models for the harvesting of sesame cultivation. The research method used were literature studies, field research and expert discussion in Madiun, the center of sesame plantation in Indonesia. Standard operating procedure components and criteria including models for harvesting technology, drying technology and separating of seeds. The results are standard operating procedures consisting of models for the harvesting of sesame crop, drying and separating of seeds effectively and efficiently. The package system of SOP for decisionmaking, the holistic rule-base was considered which consist of the plant, labor, location and available technology. The example of Rule-Base 'If Then', if varieties branched or not, the Single row or Double row, the location drying is limited, labor is limited, and the technology is available, the goal model harvest without No Tied, as decisions and so on for rule-rule others, and it has been available in Software.
Abstract. The possibility of sustainable use of sorghum as raw material for bioethanol needs to be supported by evaluation and selection of sorghum varieties for high biomass production and sugar content. An experiment was conducted on forest dry land , altitude 63 m asl. This research aimed to determine the interaction of sorghum varieties and mycorrhiza on biomass production and the high sugar content. The experiment was a two factor (varieties and dosage of mycorrhiza plus) in a randomized complete block design with three replications. The varieties were Suri 3, Kawali, Super 2, Suri 4. Dosage of mycorrhiza plus (5, 10, 15) g per plant. The interaction only significant on a number of internodes and bagasse. There are no effects of dosages mycorrhiza plus, however, varieties of sorghum have significant effects on many variables measured.
Sorghum is one of the main candidates for bioethanol feedstock. It is easy to cultivate and adapt to various land and altitude criteria but often developed in low land. The study aims to utilize land based on the altitude for the development of several varieties. An experiment was conducted on three different sites: dry land of a forest area with an elevation of 63 m above sea level (asl), on dry land with an elevation of 800 m asl, and on dry land with a height of 67 m asl. The interaction effect of both varieties and mycorrhizal towards adaptation and phenotypic appearance was evaluated. Factorial experiments were arranged in Randomized Complete Block Design, consisting of varieties and doses of biological fertilizers. The varieties used were Suri-3, Suri-4, Kawali, and Super-2, and doses of biofertilizer were (5, 10, 15) g per plant. In all research locations, the interaction between varieties and doses of biofertilizer only significantly affected the number of internodes. At 67 m asl, the interaction affects the plant height, stem FW, leaf FW, and panicle length. Suri-3 and Super-2 showed the best response on the doses of 5 g per plant, while Suri-4 did on 15 g per plant.Kawali adapts well at 800 m asl and 67 m asl. Kawali achieved the highest panicle length and seed FW at 800 m asl, respectively 34.39 cm and 81.17 g. Super-2 has the best adaptation and phenotype at 63 m asl, with the maximum plant height of 301.28 cm.
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