Impact of soil chemical properties on rice yield in 116 paddy fields sampled from a large-scale farm in Kinki Region, Japan

Rice is the primary food commodity in Indonesia. To increase the rice production, urea fertilizer has been excessively used, specifically on marginal land. However, it has no desired effect on the plant’s Nitrogen uptake due to volatilization. Previous studies suggest the use of zeolite to be mixed with urea to reduce the volatilization rate. This study aimed to determine the effect of six NP-SR (Nitrogen Phosphorus Slow Release) fertilizer compositions (without NP-SR; 20.69-0; 19.7-5; 17.27-10; 15.9-15; and 18.94-20) on soil chemical properties, nitrogen efficiency, and paddy rice yield on Ultisols at three waterlogging levels (0.5 cm, 3 cm, and 5 cm). The study was an experiment arranged in a Randomized Complete Block Design (RCBD) consisting of two factors, which were waterlogging levels and NP-SR fertilizer compositions. The results showed that waterlogging treatments significantly affected soil chemical properties in the initial vegetative and harvest phases. It can be concluded that the treatment of flooding (up to 3 cm) and fertilizer (NP-SR of 15.90-15) application could significantly reduce the volatilization rate, increase the efficiency of N fertilizer, and increase rice yield.

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Long-Term Investigation of Regional Topographic Effects on Soil Chemical Properties and Heavy Metal Concentrations in Paddy Fields

Korean Journal of Soil Science and Fertilizer ◽

10.7745/kjssf.2012.45.5.738 ◽

2012 ◽

Vol 45 (5) ◽

pp. 738-743 ◽

Cited By ~ 1

Author(s):

Byung-Koo Ahn ◽

Seong-Soo Kang ◽

Jae-Yeon Shin ◽

Jin-Ho Lee

Keyword(s):

Heavy Metal ◽

Chemical Properties ◽

Paddy Fields ◽

Soil Chemical Properties ◽

Topographic Effects ◽

Metal Concentrations ◽

Heavy Metal Concentrations

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Variability of some important soil chemical properties of rainfed low land paddy fields and its effect on land suitability for rice cultivation

Tropical Agricultural Research ◽

10.4038/tar.v26i3.8113 ◽

2015 ◽

Vol 26 (3) ◽

pp. 506 ◽

Cited By ~ 2

Author(s):

W.M.U.K. Rathnayake ◽

R.P. De Silva ◽

N.D.K. Dayawansa

Keyword(s):

Chemical Properties ◽

Land Suitability ◽

Rice Cultivation ◽

Paddy Fields ◽

Soil Chemical Properties

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Effect of different doses of Ipil-Ipil (Leucaena leucocephala) (LAM.) de wit. tree green leaf biomass on rice yield and soil chemical properties

Research in Agriculture Livestock and Fisheries ◽

10.3329/ralf.v2i3.26161 ◽

2015 ◽

Vol 2 (3) ◽

pp. 385-394

Author(s):

Niloy Paul ◽

Mohammad Kamrul Hasan ◽

Md Nasir Uddin Khan

Keyword(s):

Grain Yield ◽

Leucaena Leucocephala ◽

Rice Yield ◽

Chemical Properties ◽

Soil Chemical Properties ◽

Green Leaf ◽

Leaf Biomass ◽

Rice Grain ◽

Total N ◽

Different Doses

A field experiment was conducted to find out the effect of different doses of ipil-ipil (Leucaena leucocephala ) (Lam.) de Wit. tree green leaf biomass on rice yield and soil chemical properties. Four different treatments such as T0: Recommended fertilizer dose (Urea 195 kg/ha, TSP 50 kg/ha, MOP 142 kg/ha, Gypsum 75 kg/ha and Zinc Sulphate 4 kg/ha), T1: 5 t/ha, T2: 7.5 t/ha, and T3: 10 t/ha ipil-ipil tree green leaf was used in this study in a Randomized complete block design with three replications. The results showed that the treatment T3 was performed better than recommended fertilizer dose in case all yield contributing characters of rice except grain yield. The highest (5.29 t/ha) rice grain yield was obtained in recommended fertilizer dose followed by 10 t/ha, 7.5 t/ha and 5 t/ha ipil-ipil tree green leaf biomass amendment having 4.80, 3.16 and 2.36 t/ha respectively. The highest grain yield that was obtained from recommended fertilizer dose was 10.21% higher compared to the highest dose (10 t/ha) of ipil-ipil tree green leaf biomass. It was mentioned that among the different doses of ipil-ipil tree green leaf biomass 10 t/ha performed the best over others. The ipil-ipil tree green leaf biomass was also significantly influenced on some essential nutrient status which is very important for rice production. The highest amount of total N, available P, exchangeable K and available S were found in the treatment T3 and the lowest in the treatment T1. Therefore, it can be concluded that the ipil-ipil tree leaf has beneficial effects and could be combined with inorganic fertilizer for sustainable crop yield and maintaining soil fertility.Res. Agric., Livest. Fish.2(3): 385-394, December 2015

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Availibility of P, K in paddy Land Under Organic application

Jurnal Pertanian Tropik ◽

10.32734/jpt.v5i3.3117 ◽

2018 ◽

Vol 5 (3) ◽

pp. 434-440

Author(s):

Fitra Syawal Harahap ◽

Abdul Rauf ◽

Benny Hidayat ◽

Hilwa Walida ◽

Jamidi ◽

...

Keyword(s):

Organic Matter ◽

Soil Fertility ◽

Chemical Properties ◽

Soil Samples ◽

Paddy Fields ◽

Soil Chemical Properties ◽

Phosphorus Fertilization ◽

Fertility Status ◽

Review Management ◽

Soil Fertility Status

Organic materials in situ remaining paddy crops in paddy fields are much abandoned by farmers. Most of the remaining harvested are burned, stacked in the cultivated, or used for animal feed or as a fungus. Straw compost is source of Potassium (K) and Silica (Si). About 80% of K absorbed by plants is in the straw. The return of straw to the soil may slow the impoverishment of Potassium (K) in the soil. This study aims to find out how the availability of phosphorus (P) and potassium (K) nutrients by giving organic matter as soil fertility status in paddy fields in Beringin Subdistrict, Deli Serdang Regency and to review management alternatives that are in accordance with the soil fertility status in the Central Land Rice fields in Beringin Subdistrict, Deli Serdang Regency. This research was carried out in the Central Rice Field in Beringin Subdistrict, Deli Serdang Regency ± 11 meters above sea level. The taking of soil samples was taken in the upper layer at the top soil depth of 0-20 cm, 20-40 cm and the coordinates were recorded using GPS (Global Positioning System). While information on land management is obtained by direct observation in the field and in-depth interviews with farmers in snow ball which aims to obtain complete information from farmers. Soil samples that have been taken in the field are then analyzed in the laboratory. Soil chemical properties analyzed in laboratory soil chemical properties analyzed at P2O5 Bray II (ppm) laboratory K2O Hcl 25% (mg / 100g). To determine the chemical properties of soil with certain criteria that have been determined. Based on Technical Guidelines for Evaluation of Soil Fertility The direction of management of soil fertility needs to be added to organic matter and phosphorus fertilization regularly so that soil fertility can be sustainable. Further research is needed in order to find out the addition of phosphorus fertilizer and organic matter in each unit of land.

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