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VOL. 8, ISSUE 1 (2023)
The effect of dosage of inorganic fertilizer and straw compost on P-available, pH, P-uptake, and rice yield in ultisol soil
Authors
Anni Yuniarti, Nurul Hidayat, Diyan Herdiyantoro
Abstract
Ultisols is soil that has a high soil acidity
with a pH of 4.50, low macronutrients especially P nutrient, and low organic
matter content. Application of rice straw compost and N, P, K, Si is believed
to be able to increase Ultisol’s fertility and increase the yield of rice
crops. This research was conducted to determine the effect of rice straw
compost application and inorganic fertilizer (N, P, K, Si) on P-available, pH,
P-Uptake, and yield of lowland rice in Ultisols and to determine the dosage of
rice straw compost and inorganic fertilizer doses (N, P, K, Si) were the best
for increasing P-available, pH, P-uptake, and rice yield in Ultisols. The
research was carried out from August 2022–January 2023 at the Soil Chemistry
and Plant Nutrition Experimental Field, Faculty of Agriculture, Padjadjaran
University, Jatinangor, Sumedang Regency with an altitude of ± 752 masl. Soil
analysis was carried out at the Laboratory of Soil Chemistry and Plant
Nutrition, Faculty of Agriculture, University of Padjadjaran. This research was
carried out using a randomized block design (RBD), which consisted of 10
treatments with 3 replications. The results showed the dose of straw compost 10
t ha-1 + 1 N, P, K, Si (250 kg ha-1 Urea, 100 kg ha-1
SP-36, 100 kg ha-1 KCl, and 1 nano silica L ha-1) gave
the best results in increasing pH (5,3), P-available, P-uptake, and rice yield.
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Pages:17-22
How to cite this article:
Anni Yuniarti, Nurul Hidayat, Diyan Herdiyantoro "The effect of dosage of inorganic fertilizer and straw compost on P-available, pH, P-uptake, and rice yield in ultisol soil". National Journal of Multidisciplinary Research and Development, Vol 8, Issue 1, 2023, Pages 17-22
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