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Journal : Journal La Lifesci

The The Effect of Nutrients (N and P) and Hormone (IAA) Application on the Growth of Cocoa (Theobroma cacao L.) Plagiotrope Cuttings Rosyady, Muhammad Ghufron; Pramesti, Riska Ayu; Setiyono, Setiyono; Kusbianto, Dwi Erwin; Subroto, Gatot; Savitri, Dyah Ayu; Hariyati, Yuli; Rahman, Rena Yunita; Ibanah, Indah
Journal La Lifesci Vol. 4 No. 6 (2023): Journal La Lifesci
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallalifesci.v4i6.813

Abstract

To support the successful propagation of cocoa plagiotrope cuttings, nutrients (N and P) and hormone (IAA) are applied to increase plant growth. The purpose of this research was to determine the effect of the provision of nutrients (N and P) and hormone (IAA) on the growth of cocoa plagiotrope cuttings. The experiment was carried out factorial with the basic pattern of Completely Randomized Design (CRD) and was repetitively replications by three times. The first factor was the dose of urea (N) and SP-36 (P) which consisted of 3 levels, such as P0 (0 g/polybag urea and 0 g/polybag SP-36), P1 (3,5 g/polybag urea and 2,5 g/polybag SP-36), and P2 (7 g/polybag urea and 5 g/polybag SP-36). The second factor was the concentration of IAA which consisted of 5 levels, such as I0 (0 ppm), I1 (50 ppm), I2 (100 ppm), I3 (150 ppm), and I4 (200 ppm). The results showed (1) the interaction between the application of the nutrients (N and P) and hormone (IAA) had no significant effect on all observed variables except the number of leaves, where the best treatment combination was the application of fertilizer doses of 0 g/polybag urea + 0 g/polybag SP-36 and IAA concentration of 100 ppm (P0I2) (2) application of the nutrients (N and P) with dose of P1 increased seedling growth on all observed variables except the number of leaves, shoot diameter, and shoot length (3) application of IAA with concentration of I1 increased seedlings growth, that is the number of primary roots/cuttings and shoot length.
Learning from Community Practices: Social Capital of Farming Communities in Supporting Sustainable Agriculture Widjayanthi, Lenny; Kusmiati, Ati; Ibanah, Indah; Agung, Sih; Wijayanto, Yagus; Wulanjani, Distiana; Prastowo, Sigit; Gabrillo, Christina A.
Journal La Lifesci Vol. 5 No. 2 (2024): Journal La Lifesci
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallalifesci.v5i2.1017

Abstract

The use of chemical production facilities in farming, both food crops and horticultural crops, has an impact on agricultural land and human health, as well as causes damage to the environment, soil, water, air and living creatures. To achieve success in sustainable development, this is done by identifying social capital and developing farmer capacity. The research objectives are to identify sustainable agricultural practices carried out by farmers, identify community social capital in supporting sustainable agriculture. The research area was determined purposively in Pontang Village, Jember district. Determination of the research sample was carried out by simple random sampling on rice farmers. The research sample consisted of 106 respondents (margin of error of 10%). The data used in this research are primary and secondary data obtained from interviews, observations and document studies. Data analysis was carried out descriptively using scoring and categorization. Some sustainable agricultural practices carried out by communities in the research area are: organic agriculture, crop rotation and polyculture, soil management and agroforestry. Extension workers also conduct Field Schools (FS) for farmers. Farmers are given the knowledge and skills to utilize agricultural waste around them to make organic fertilizer. Extension workers also teach farmers in making PGPR, Beauveria bassiana, Pseudomonas fluorescens (Pf), Trichoderma, and planting refugia in rice fields. The social capital of the farming community in supporting sustainable agriculture is in the moderate category, as well as the supporting dimensions such as the social, norm and network dimension are also in the moderate category.