Farmers’ Based Technology Development for Sustainable Cassava Production System

Abstract

The decrease in productivity and degradation process in land cropped with cassava occurs very rapidly. A conventional soil conservation approach has been shown do not give satisfactory result. A new approach, which is termed "land husbandry", seems to have a more prospective future. Different from soil conservation approach, which is aimed to control erosion rate to level of less than acceptable limit erosion, the aim of land husbandry is to obtain a high yield and income. Secondly, in contrary with soil conservation approach where most of the technology package is developed based on and by researchers, in the land husbandry approach the development of technology is based on farmers' idea and willingness and done by the farmers themselves. The methodology used in this study was Farmers' Participatory Research. The study shows that the FPR methodology have promising prospect for developing the sustainable cassava production technology. The introduced technology spread up quickly and the adoption sustained for a long periods. After 5 years of the project, 65% of the farmers in the study area had planted UB 477-2 variety and 76% of the cassava farmers had use cattle manure for their cassava crops. Ten years after the project, in addition to UB 477-2 variety, some farmers planted another introduced variety i.e., Malang 6 and Markonah. The number of farmers using manure also increased substantially and some farmers practiced compost technology. At the beginning of the project there was no farmer planted UB 477-2 and only few farmers used cattle manure.

The Effect of Chicken Manure and Corn Cob Biochar on Soil Fertility and Crop Yield on Intercropping Planting Pattern of Cassava and Corn

“…Overall, after adding biochar as land amendment, it is very significant to improve soil quality, nutrient availability and there is no population competition in intercropping cropping pattern. This opinion is consistent with the results of sukartono et al [2], Islami et al [6], Yuananto et al [18] and Yuniwati et al [19] research.…”

“…This happens after being treated International Journal of Environmental Sciences & Natural Resources using chicken manure biochar so it resuts on the improvement of nutrient availability and the effect of improved soil physical properties and soil quality which is better compared to corncob biochar on intercropping cropping pattern. This is similar to what is mentioned by Sukartono et al [2] & Islami et al [19] (Figure 2) explains biochar chicken manure (MMcB) and (CSMcB) both on monoculture and intercropping patterns providing the highest yield for cassava biomass amount of 35.45tons/ha and 33.14tons/ha for cassava harvest. The results of assava on intercropping cropping pattern is still high for 30.16ton ha after being treated using chicken manure biochar and 28.82ton/ha for those treated using corn cob biochar.…”

Policies and Models of Agribusiness Development of Cassava in North Sumatera

“…This is in line with what was conveyed by Irawanto et al [10] that to increase cassava farming must be accompanied by the use of superior varieties and cassava cultivation technology. Meanwhile, Yuniwati et al [11] The number of farmers using manure has also increased and some farmers are using compost technology. This opinion is also reinforced by Dendi et al [12] that in developing countries participatory approaches in agricultural development strategies to achieve sustainable goals are more effective.…”

How is organic fertilizer produced and applied to chili and eggplant plants?

“…In relation to the physical properties of the soil (Kim, 2017;Szufa, 2020), Organic fertilizer can increase the soil's ability to hold water (Muddarisna et al, 2020;Nobile, 2020), thereby increasing water availability for plants. In terms of chemical properties (Hussain, 2020;Moharana, 2017;Tahir, 2018), organic fertilizer contains complete nutrients (Cui, 2020;Rostaei, 2018;Yuniwati et al, 2008), both macronutrients such as Nitrogen, Phosphorus, and Potassium, as well as micronutrients such as Fe (Fitriana et al, 2021;Muddarisna et al, 2021), Co and Mn. The research results of (Fitriana et al, 2020) show that the macro (Hong, 2017), and micro nutrient content of liquid organic fertilizer is N-total 0.33% (Joshi, 2020;Tirtashi, 2019), providing rice straw compost can increase organic C and P available in Ultisol soil and increase the growth and yield of corn plants (Guglielmo et al, 2021;Ma, 2015;Meisinger, 2015).…”