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All Journal AGRIVITA, Journal of Agricultural Science Jurnal Tanah dan Iklim
L. ANGGRIA
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Agriculture, Biological Sciences & Forestry

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Land Productivity Enhancement by Sulfur Nutrient Management in Vertisol Rice Field Kasno, Antonius; Anggria, L.; Rostaman, T.
AGRIVITA, Journal of Agricultural Science Vol 39, No 2 (2017): JUNE
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v39i2.850

Abstract

Sulfur is a secondary soil macro nutrients needed by plants as the most important part of the essential amino acids (cystine and methionine), protein synthesis, chlorophyll production and carbohydrate metabolism. The research aimed to study the land productivity improvement of Vertisol rice field by controlling the sulfur nutrient. The study was conducted in Dawu, Paron, and Guyung, Gerih, Ngawi, East Java, Indonesia, during the dry season 2013 and 2014. A randomized complete block design, with eight treatments and three replications were applied. The treatments were some rates of S-fertilizer application combined with in situ straw compost, ZA and Kieserit. Experimental plots dimension is 6 m x 5 m. Ciherang and Membramo were rice varieties grown in legowo 2:1 system. The results showed that S-fertilizer application can increase the weight of dry grain harvest and dry grain milled. The optimum doses of S-fertilizer were 24 kg S ha-1. Kieserit application resulted in less grain yield than ZA. Manure can increase the weight of dry grain harvest and tend to increase the weight of dry milled grain compared to those of the control treatments.
MANAGEMENT OF NUTRIENT DEFICIENCY ON INCEPTISOLS TO IMPROVE MAIZE GROWTH NURSYAMSI, DEDI; BUDIARTO, A.; ANGGRIA, L.
Jurnal Tanah dan Iklim (Indonesian Soil and Climate Journal) No 20 (2002): Desember 2002
Publisher : Balai Besar Penelitian dan Pengembangan Sumberdaya Lahan Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jti.v0n20.2002.%p

Abstract

Maize is very prospective to be developed in upland Inceptisols if supported by proper soil management and suitable varieties. Research aimed to study nutrient limiting factors of Inceptisols for the development of maize (Zea mays L.). Research had been conducted at chemical laboratory and green house of Center for Soil and Agroclimate Research in Bogor by using soil samples taken from Sukabumi, West Java. The green house experiment utilized minus one test method with randomized block design, eleven treatments, and three replications. Maize crop of Pioner C3 variety was used as plant indicator. Parameters employed in this experiment were: (1) the dry weight of 4 week old-maize, (2) plant nutrients uptake of N, P, K, Ca, Mg, S, Zn, and Cu; and (3) soil properties analyses on soil pH H2O, Org-C, total-N, P-HCl, K-HCl, P-Bray 1, P-Olsen,exchangeable Ca, Mg, and K, CEC, exchangeable Al and H, as well as Cu and Zn-DTPA. The results showed that N, P, K, Ca, Mg, S, Cu, and Zn fertilizations increased soil N, P, K, Ca, Mg, S, Cu, and Zn contents as well as plant nutrient uptake. Fertilization of Ca (lime) decreased soil exchangeable Al and H as well as plant Al uptake. The application of rice straw increased soil organic C and CEC, and also plant nutrient uptake. N, P, and K nutrients, and organic matter were found out as the primary constraints to maize growth in Inceptisols of Sukabumi. To solve the limiting factors, the soils need to be treated with 270-300 kg urea, 240 kg SP-36, 100 kg KCl, and 3-5 tons organic matter per ha. It is recommended that urea and KCl to be applied gradually : before planting, 4 and 6 weeks after planting, respectively. SP-36 fertilizer is mixed with urea and KCl and drown into the soil before planting. Organic matter was formerly composted and mixed with the soils during land preparation.
Effect of Application of Rock Phosphate on Soil P Adsorption and Fractionation at Dystrudepts of Cibatok, Bogor Dedi NURSYAMSI; L. ANGGRIA; . NURJAYA
Jurnal Tanah dan Iklim (Indonesian Soil and Climate Journal) No 34 (2011): Desember 2011
Publisher : Balai Besar Penelitian dan Pengembangan Sumberdaya Lahan Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jti.v0n34.2011.1-12

Abstract

Phosphorous fertilization in both lowland and upland is an activity that must be done to increase agricultural production in Indonesia. Farmers typically use an acidulated rock phosphate, such as: TSP, SP-36, or SP-18 where its effectiveness varies depending on the type of soil and cultivated crops. Rock phosphate fertilizers have a high prospect to be used directly inacid upland soils because of its effectiveness equals the acidulated rock phosphate but the price is cheaper. Laboratory experiments aimed at studying the effect of the rock phosphate application on soil P adsorption and fractionation as well as determining the critical level of soil P for maize P-12 variety growth have been carried out using soil samples taken from rock phosphate fertilization experiment in the field, at volcanic Dystrudepts soil in Cibatok, Bogor. Analysis for soil P adsorption Fox and Kamprath (1970) methods were used, while its fractionation used modified Sekiya (1983) methods. The results showed that the use of rock phosphate increased soil soluble P therefore its availability for plant growth increased too. Beside that, it increased all soil P forms as well as soil HCl-P and Bray I-P significantly. P forms in tested soil from high to low were the residual-P > organic-P > Fe-P > Al-P > Ca-P in which the form of residual-P, Fe-P, and total-P played an important role in controlling the availability of soil P. Critical level of soil Fe-P, residual-P, and total-P for maize P-12 variety growth in the soil were 320, 510, and 1,250 mg P2O5 kg-1 respectively.
Co-Authors . Nurjaya A. BUDIARTO ANTONIUS KASNO Dedi Nursyamsi Dedi Nursyamsi Rostaman, T.