![](bg9.png)
compost + 2.5 t ha
-1
cow manure compost with
Inpago 9 would give the highest Posporus uptake at
115.29, meanwhile planting time at September day
10
th
, application 5 t ha
-1
straw compost with Inpago 9
variety would give the highest grain yield of rice at
9.24 t/ha.
ACKNOWLEDGEMENTS
We would like to thank to the Agricultural Research
and Development Agency for all funding assistance
in this research activity. Thanks also to the Sampali
Meteorology and Geophysics Agency and the
International Rice Research Institute (IRRI) which
have provided rainfall gauges in the research area.
REFERENCES
Ashley, M.K., Grant, M., Grabov, A. 2006. Plant responses
to Potassium deficiencies: a role for potassium transport
proteins. Journal of Experimental Botany, 57(2), 425–
436.
Dobermann, A., Fairhurst, T. H. 2002. Rice straw
management. Better Crops International, 16, 7-11.
Barus, J. 2011. Effectiveness test of rice straw compost and
NPK fertilizer on rice yields. J. Agrivigor, 10(3), 247-
252.
Bustami, Sufardi, Bakhtiar. 2012. Nutrient uptake and
efficiency fertilizing to growth varieties local of rice.
Jurnal Manajemen Sumberdaya Lahan, 1(2), 159-170.
Cosico, W.C. 1985. Organic Fertilizer. Their Natur,
Persepective and Used. Farming System and Soil
Resource Institute. UPLB Laguna. Philippines. 136 p.
Fairhurst, T., Witt, C., Buresh, R., Dobermann, A. 2007.
Rice : A Practical Guide to Nutrient Management.
International Rice Research Institute, International
Plant Nutrition Institute, and International Potash
Institute. 2nd Edition. 96 p.
Gomez, K. A. 1972. Techniques for field experiment with
rice. IRRI. Los Baños, Philippines. 46 p.
Gunarto, L., Lestari, P., Supadmo, H., Marzuki, A. R. 2002.
Decomposition of rice straw with Azospirillum
inoculation and its effect on the efficiency of the use of
N fertilizer in lowland rice. Agricultural Research,
Center of Research and Development, Bogor, 21(2), 1-
9.
Ismon, L., Yufdy, M. P. 2011. Application of rice straw
with potassium fertilizer in lowland rice plantations on
dystropepts land. Journal of Assessment and
Development of Agricultural Technology, 14(3), 217-
230.
Kaya, E. 2013. The effect of rice straw compost and NPK
fertilizer to available N, N-absorption, growth and
yields of lowland rice (Oryza Sativa L). Jurnal Ilmu
Budaya Tanaman. Agrologia, 2(1), 43-50.
Karimuna, L., Asmin. 2014. Assessment of potasium
fertilizer with application of rice straw on rice growth
and production at newly cultivated area in Buton
Regency, Southeast Sulawesi. Jurnal Agroteknos, 4(3):
180-188.
Magdalena, F., Sudiarso, T., Sumarni. 2013. The use of
manure and green manure Crotalaria juncea L. to
reduce the use of inorganic fertilizers on corn (Zea mays
L.). Journal of Plant Production, 1(2), 61-71.
Mashaee, S. S., Bramanyar, M. A. 2010. Influences of
nitrogen and potassium top dressing on yield and yield
components as well as their accumulation in rice (Oryza
sativa). African Journal of Biotechnology, 9(18), 2648-
2653.
Prasetyo, H. P., Adiningsih, J. S., Subagyono, K.,
Simanungkalit, R. D. M. 2004. Mineralogy, chemistry,
physics, and biology of paddy fields lands and
itsmanagement technology. Center for Land Research
and Development and Agro-climate, Agricultural
Research Agency.
Pettigrew, W. T. 2008. Potassium influences on yield and
quality production for maize, wheat, soybean and
cotton. Physiologia Plantarum 133(4), 670-681.
Prajapati, K., Modi, H. A. 2012. The importance of
potassium in plant growth- A Review. Indian Journal
of Plant Sciences. 1(2-3), 177-186.
Quampah A, Wang R. M., Shamsi I. H., Jilani, G., Zhang,
Q., Hua, S., Xu, H. 2011. Improving water productivity
by potassium application in various rice genotypes.
International Journal of Agriculture and Biology., 13,
9-17.
Runtunuwu, E., Syahbuddin, H., Ramadhani, F., Pramudia,
A., Setyorini, D., Sari, K., Apriyana, Y., Susanti, E.,
Haryono., Setyanto, P., Las, I., Sarwani, M. 2012.
Integrated Planting Calendar Information System:
Current Status and Future Challenges. Journal of Land
Resources, 6 (2). 67-78.
Saha, P. K., Miah, M. A. M., Hossain, A. T. M. S., Rahman,
F., Saleque, M. A. 2009. Contribution of rice straw to
potassium supply in rice-fallow-rice cropping pattern.
Bangladesh. J. Agril Res., 34(4), 633-643.
Salim, M., 2002. Effects of potassium nutrition on growth,
biomass and chemical composition of rice plants and on
host-insect interaction. Pakistan J. Agric. Res., 17(1):
14-21.
Sarkar, M. I. U., Islam, M. N., Jahan, A., Islam, A., Biswas,
J. C. 2017. Rice straw as a source of potassium for
wetland rice cultivation. Geology, Ecology, and
Landscapes, pp.1-6.
Sarno. 2009. Effect of NPK and manure combination on
soil properties and growth and production of caisim
plants. J. Tropical Land. 14 (3): 211-219.
Sarwar, M. 2012. Effects of Potassium fertilization on
population build up of rice stem borers (lepidopteron
pests) and rice (Oryza sativa L.) yield. Journal of
Cereals and Oil seeds, 3(1): 6-9.
Shrestha, S., Asch, F., Dingkuhn, M., Becker, M. 2011.
Cropping calendar options for rice-wheat production
systems at high-altitudes. Field Crops Research,
121(1): 158-167.
ICONART 2019 - International Conference on Natural Resources and Technology
212