Abstract
Jaya KK, Lakitan B, Bernas SM. 2020. Tiller size and water table effects in celery growth on floating cultivation system. Jurnal Lahan Suboptimal : Journal of Suboptimal Lands 9(2): 184-191.Riparian wetland is highly available and potential suboptimal lands for an alternative solution in extending agricultural activity, but several constrains need to be resolved. The objective of this study was to improve the diversification of vegetables for increasing riparian wetland with utilizing floating cultivation system. This study was conducted From November until December 2019 in Jakabaring (104°46’4†E; 3°01’35†S) Palembang. The design of experiments used in this study was arranged in split plot-completely randomized design with 2 factors (main plot and sub-plot). Main plot was the height of water table, namely: R1 (1 cm upper raft surface), R5 (5 cm upper raft surface), and R10 (10 cm upper raft surface). Sub-plot was the size of celery tiller, i.e., B1 (big size) and B2 (small size). Each combination treatment consisted of five replication. Results showed that there was no any significant effect on water table and tiller size combination treatments in all observed variables, such as: plant height, leaf area, number of petioles, root length, fresh weight, and dry weight of shoot and roots. But, root length was significant different in water table treatment. Therefore, cultivated celery using floating culture system from tiller of parent plants can be an alternative to increase agriculture activity by shortening the planting period to increase vegetable diversification in riparian wetland.
Highlights
Riparian wetland is highly available and potential suboptimal lands for an alternative solution in extending agricultural activity, but several constrains occurred
Results showed that there was no any significant effect of both water table and tiller size combination treatments on all observed variables, such as: plant height, leaf area, number of petioles, root length, fresh and dry weight of root and shoot and the root length was significantly different in water table treatment (Table 1)
The highest celery obtained from the plants on 1 cm upper raft surface water table transplanted from big tiller (Figure 1)
Summary
Riparian wetland is highly available and potential suboptimal lands for an alternative solution in extending agricultural activity, but several constrains occurred. Riparian wetland is dominant ecosystem in Sumatera (8,41 million hectares), Papua (7,49 million hectares), and Kalimantan (6,99 million hectares) (Arsyad et al 2014). Some constrains for agriculture activity in riparian wetland as marginal land are: low soil fertility, various typology, and unpredictable period and depth of flooding (Nasir et al, 2015). Intensity and productivity of agriculture in riparian wetland is still below its potency due to conventional cultivation system practice (Simatupang and Rina, 2019). Implementation of suitable technology innovation for specific land characteristic is a promising solution to solve the problems in riparian wetland. Floating cultivation system is an applicative adaptive form of suitable solution for flooding that occurs every year
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