Soil uses in the sugarcane fallow period to improve chemical and physical properties of two latosols (oxisols)

Sugarcane production should be integrated with crop diversification with a view to competitive and sustainable results in economic, social and environmental aspects. The purpose of this study was to assess the influence of different soil uses during the sugarcane fallow period on the chemical and physical properties of eutroferric Red Latosol - LVef (Oxisol) and Acric Latosol - LVw (Acric Oxisol), in Jaboticabal, São Paulo State, Brazil (21º14'05'' S, 48º17'09'' W, 600 m asl). A randomized block design was used with five replications and four treatments, consisting of different soil uses (crops) in the sugarcane fallow period: soybean only, soybean/fallow/soybean, soybean/millet/soybean, and soybean/sunn hemp/soybean. After two soybean crops, the LVef chemical properties remained at intermediate to high levels; while those of the LVw, classified as intermediate to high in the beginning, increased to high levels. Thus, the different soil uses during the sugarcane fallow period allowed the maintenance of LVef fertility levels and the improvement of those of the LVw. Two soybean crops increased macroporosity in the 0.0-0.1 m layer of the LVef; reduced soil aggregates in the 0.0-0.1 and 0.1-0.2 m layers of both soils, and reduced aggregate stability in these two layers of the LVw. Planting pearl millet or sunn hemp between the two soybean growing seasons promoted the formation of larger soil aggregates in the surface layer (0.0-0.1 m) of the LVw.

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Soil uses during the sugarcane fallow period: influence on soil chemical and physical properties and on sugarcane productivity

Revista Brasileira de Ciência do Solo ◽

10.1590/s0100-06832014000200022 ◽

2014 ◽

Vol 38 (2) ◽

pp. 575-584 ◽

Cited By ~ 4

Author(s):

Roniram Pereira da Silva ◽

Carolina Fernandes

Keyword(s):

Physical Properties ◽

Block Design ◽

Chemical Properties ◽

Clay Content ◽

Production Potential ◽

Fallow Period ◽

Randomized Block Design ◽

Sunn Hemp ◽

Red Latosol ◽

Sugarcane Productivity

The planting of diversified crops during the sugarcane fallow period can improve the chemical and physical properties and increase the production potential of the soil for the next sugarcane cycle. The primary purpose of this study was to assess the influence of various soil uses during the sugarcane fallow period on soil chemical and physical properties and productivity after the first sugarcane harvest. The experiment was conducted in two areas located in Jaboticabal, São Paulo State, Brazil (21º 14' 05'' S, 48º 17' 09'' W) with two different soil types, namely: an eutroferric Red Latosol (RLe) with high-clay texture (clay content = 680 g kg-1) and an acric Red Latosol (RLa) with clayey texture (clay content = 440 g kg-1). A randomized block design with five replications and four treatments (crop sequences) was used. The crop sequences during the sugarcane fallow period were soybean/millet/soybean, soybean/sunn hemp/soybean, soybean/fallow/soybean, and soybean. Soil use was found not to affect chemical properties and sugarcane productivity of RLe or RLa. The soybean/millet/soybean sequence improved aggregation in the acric Latosol.

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Stabilitas Agregat Tanah, Populasi Jamur Pelarut P dan Hasil Jagung yang Dipengaruhi oleh Pupuk Hayati Mikroba Pelarut P dan Pupuk P pada Ultisols

SoilREns ◽

10.24198/soilrens.v16i1.18317 ◽

2018 ◽

Vol 16 (1) ◽

Author(s):

Betty Natalie Fitriatin ◽

Muhammad Agi Pratama ◽

Oviyanti Mulyani

Keyword(s):

Zea Mays L ◽

Soil Aggregates ◽

Block Design ◽

Aggregate Stability ◽

Soil Aggregate ◽

Soil Aggregate Stability ◽

Randomized Block Design ◽

P Fertilizer ◽

Phosphate Solubilizing ◽

Determine Effect

Ultisols is a soil order with low available P. Phosphate Solubilizing Microbes is a group of microorganisms that has the ability to release P for plants. The aim of this experiment was to determine effect of phosphate solubilizing microbes and P fertilizer on soil aggregate stability, PSF population and yield of maize (Zea mays L.) on Ultisols. This research was conducted from May 2016 to August 2016 at Ciparanje, Faculty of Agriculture, Universitas Padjadjaran. This research was arranged in Randomized Block Design (RBD), consisted of 9 treatments with 3 replications. The treatments were 100 kg ha-1 of SP-36 fertilizer, 50 kg ha-1 of biofertilizer, as well as combination of SP-36 fertilizer (50% and 100%) with the dose of biofertilizer (50%, 100% and 150%). This experiment showed that the combination of biofertilizer and P fertilizer gave significant effect on the population of PSF and yield of maize, but not for stability of soil aggregates. The application of SP-36 50 kg ha-1 and 50 kg ha-1 PSM combination gave higher population of PSF and yield of maize.Keywords: Biofertilizer, maize, phosphate- solubizing fungi, aggregate stability, Ultisols

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PENGARUH INOKULASI FUNGI MIKORIZA ARBUSKULA (FMA) PLUS ORGANIK TERHADAP PERTUMBUHAN DAN PRODUKSI JAGUNG PADA ULTISOL

Jurnal Solum ◽

10.25077/jsolum.15.2.50-59.2018 ◽

2018 ◽

Vol 15 (2) ◽

pp. 50

Author(s):

Eddiwal Eddiwal ◽

Amrizal Saidi ◽

Eti Farda Husin ◽

Azwar Rasyidin

Keyword(s):

Soil Aggregates ◽

Block Design ◽

Aggregate Stability ◽

Mycorrhizal Symbiosis ◽

Biological Processes ◽

Corn Production ◽

Randomized Block Design ◽

Corn Plants ◽

Inoculation Treatment ◽

Amf Inoculation

Mycorrhizal symbiosis increases nutrient uptake for plants, resistance to disease, stabilizes soil aggregates and promotes the growth of soil organisms. Fungal hyphae containing glomalin is essential for soil biological processes because of their interactions with plants, soils, and microbes. Activity of AMF in the area of rhizosphere and mycorizosphere will improve the physical, chemical and biological conditions of the soil, thereby providing a healthy soil environment for plants. How the influence of AMF inoculants plus organic ingredients on growth and production of maize on Ultisol needs to be tested in the field. The purpose of this experiment is the application of AMF plus organic inoculants to corn planting, to determine the effect on growth and increase of corn production. Experiments using a randomized block design with four groups. The AMF inoculation treatment was the administration of organic plus inoculant from G. luteum (F1), G. verruculosum (F2), G. versiforme (F3), Multi species of AMF (F4) and without AMF inoculation (F0). The results showed that AMF inoculation had significant effect on total glomalin. G. versiforme has the highest total glomalin, which is 10.59 mg.g-1. The effect of AMF species had no significant effect on aggregate stability, but was significantly different from the treatment without AMF inoculation. The effect of AMF on N, P and K uptake is significantly different. The highest dry corn kiln production from G. versiforme, which is 8.07 kg / plot or 4.04 ton / ha, has the same effect as G. luteum (7.98 kg / plot or 3.99 ton / ha) and Multi AMF (7.67 kg / plot or 3.84 tons / ha). Increased production of dried corn plants inoculated with AMF plus organics can reach 40-83% higher than the plants without giving the AMF.Key words : mycorizosphere, productivity, rhizosphere, Ultisol

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EARLY SPRING APPLICATION OF AMINOETHOXYVINILGLYCINE (AVG) INCREASES FRUIT SET AND YIELD OF ‘ROCHA’ PEARS

Revista Brasileira de Fruticultura ◽

10.1590/0100-29452017982 ◽

2017 ◽

Vol 39 (4) ◽

Cited By ~ 3

Author(s):

MATEUS DA SILVEIRA PASA ◽

BRUNO CARRA ◽

CARINA PEREIRA DA SILVA ◽

MARLISE NARA CIOTTA ◽

ALBERTO FONTANELLA BRIGHENTI ◽

...

Keyword(s):

Fruit Quality ◽

Fruit Set ◽

Block Design ◽

Quality Attributes ◽

Fruit Weight ◽

Early Spring ◽

Full Bloom ◽

Growing Seasons ◽

Randomized Block Design ◽

Return Bloom

ABSTRACT The low fruit set is one of the main factors leading to poor yield of pear orchards in Brazil. Ethylene is associated with abscission of flowers and fruitlets. Then, the application of ethylene synthesis inhibitors, such as AVG, is a potential tool to increase fruit set of pears. The objective of this study was to evaluate the effect of AVG, sprayed at different rates and timings, on fruit set, yield and fruit quality of ‘Rocha’ pear. The study was performed in a commercial orchard located in the municipality of São Joaquim, SC, during the growing seasons of 2014/2015 and 2015/2016. Plant material consisted of ‘Rocha’ pear trees grafted on quince rootstock ‘BA29’. AVG was tested at different rates (60 mg L-1 and 80 mg L-1) and timings [full bloom, one week after full bloom (WAFB), and two WAFB), either alone or in combination. The experiment was arranged in a randomized block design, with at least five single-tree replications. The fruit set, number of fruit per tree, yield, estimated yield, fruit weight, return bloom, and fruit quality attributes were assessed. Fruit set and yield were consistently increased by single applications of AVG at 60 and 80 mg L-1 at both one and two weeks after full bloom, without negatively affecting fruit quality attributes and return bloom.

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Adaptability and stability of white oat cultivars in relation to chemical composition of the caryopsis

Pesquisa Agropecuária Brasileira ◽

10.1590/s0100-204x2013000100006 ◽

2013 ◽

Vol 48 (1) ◽

pp. 42-50 ◽

Cited By ~ 9

Author(s):

Maraisa Crestani Hawerroth ◽

Fernando Irajá Félix de Carvalho ◽

Antonio Costa de Oliveira ◽

José Antonio Gonzalez da Silva ◽

Luiz Carlos Gutkoski ◽

...

Keyword(s):

Chemical Composition ◽

Avena Sativa ◽

Block Design ◽

Chemical Properties ◽

Rio Grande ◽

Rio Grande Do Sul ◽

Average Performance ◽

Randomized Block Design ◽

Nitrogen Free Extract ◽

Oat Cultivars

The objective of this work was to characterize the chemical properties of white oat (Avena sativa) caryopsis and to determine the adaptability and stability of cultivars recommended for cultivation in the state of Rio Grande do Sul, Brazil. The trials were carried out in the 2007, 2008 and 2009 crop seasons, in three municipalities: Augusto Pestana, Capão do Leão, and Passo Fundo. Fifteen cultivars were evaluated in a randomized block design, with four replicates. The contents of protein, lipid, and nitrogen-free extract were evaluated in the caryopsis. Cultivar performances for the measured characters varied according to location and year of cultivation. The cultivar URS Guapa showed high content of nitrogen-free extract and low contents of protein and lipid in the caryopsis. 'FAPA Louise' showed high content of lipid, whereas 'Albasul', 'UPF 15', and 'UPF 18' showed high content of protein and low content of nitrogen-free extract. There is no evidence of an ideal biotype for the evaluated characters, which could simultaneously show high average performance, adaptability to favorable and unfavorable environments, and stability.

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Peningkatan Produktivitas Tanaman Padi Sawah Melalui Pemupukan Kompos dan NPK

Agrotrop : Journal on Agriculture Science ◽

10.24843/ajoas.2019.v09.i02.p08 ◽

2019 ◽

Vol 9 (2) ◽

pp. 178

Author(s):

I GUSTI PUTU RATNA ADI ◽

I NYOMAN PUJA

Keyword(s):

Rice Yield ◽

Block Design ◽

Chemical Properties ◽

Crop Productivity ◽

Grain Weight ◽

Npk Fertilizers ◽

Randomized Block Design ◽

Two Factors ◽

Total P ◽

Npk Fertilization

Increased Rice Crop Productivity Through Compost and NPK Fertilization. The aims of this research was to study response of compost and NPK fertilizers to the soil chemical properties and rice yield. The method used was a factorial Randomized Block Design consisting of two factors. The first factor was compost Fertilizer (B) consists of 2 levels, namely: B0 = Without compost fertilizer and B1 = 5 ton compost fertilizer ha-1. The second factors was NPK national recomendation (P) consists of 3 levels, namely: P1 = 50% of NPK recommendation, P2 = 100% of NPK recommendation and P3 = 150% of NPK recommendation. The results showed that the treatment of compost and NPK fertilizers gave no significant effect on tillers number clumb-1 and dry straw weight/m2 , but gave a significant effect on N, P, K and dry grain weight/m2. The combination of 5 tons of compost/ha and 150% of NPK recommendation can produce N-total, P-available level, K-available and dry grain weight per m2 respectively 0.35%, 13.79 ppm, 355, 21 ppm and 0.96 kg and significantly higher than the combination of 50% NPK recommendation and without compost, which were 0.26%, 8.21 ppm, 236.10 ppm and 0.69 kg respectively.

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Pengaruh Pemberian Pupuk Kompos dan Mikoriza Terhadap Perubahan Sifat Kimia Tanah dan Pertumbuhan Bibit Kakao ( Theobroma cacao. L)

Jurnal Ilmiah Mahasiswa Pertanian ◽

10.17969/jimfp.v4i3.11518 ◽

2019 ◽

Vol 4 (3) ◽

pp. 145-154

Author(s):

Vina Utami ◽

Ilyas Ilyas ◽

Munawar Khalil

Keyword(s):

Theobroma Cacao ◽

Soil Chemistry ◽

Block Design ◽

Chemical Properties ◽

Soil Chemical Properties ◽

Total N ◽

Randomized Block Design ◽

Two Factors ◽

Theobroma Cacao L ◽

Glomus Sp

Abstrak. Pemberian kompos dan mikoriza merupakan salah satu alternatif untuk meningkatkan pertumbuhan bibit kakao dan dapat memperbaiki sifat kimia tanah. Penelitian ini menggunakan Rancangan Acak Kelompok (RAK) pola faktorial yang terdiri atas dua faktor ( kompos dan jenis mikoriza) dengan pola 3 x 3 dan tiga kali ulangan. Hasil penelitian ini menunjukkan bahwa faktor tunggal kompos berpengaruh nyata terhadap N-total dan tinggi tanaman namun tidak nyata terhadap pH, C- organik, P- tersedia, Kdd, KTK, diameter batang dan luas daun. Perlakuan mikoriza secara tunggal serta kombinasi antara kompos dan mikoriza tidak berpengaruh nyata terhadap sifat kimia tanah dan pertumbuhan tanaman. Perlakuan terbaik yaitu 30 g kompos dan 10 g jenis mikoriza Glomus sp + Giga spora. The Effect of Compost and Mycorrhizal on Changes in Soil Chemical Properties and Growth of Cocoa (Theobroma cacao L.)Abstract. Provision of compost and mycorrhizae is one alternative to increase the growth of cacao seedlings and can improve soil chemical properties. This study used a factorial Randomized Block Design (RBD) consisting of two factors (compost and mycorrhizal type) with a 3 x 3 pattern and three replications. The results of this study indicate that the single compost factor had a significant effect on total N and plant height but was not significant for pH, organic matter, P-available, Kdd, CEC, stem diameter and leaf area. Single mycorrhizal treatment and the combination of compost and mycorrhizae did not significantly affect soil chemistry and plant growth. The best treatments were 30 g of compost and 10 g of mycorrhizal Glomus sp + Giga spore

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Aplikasi PCO Plus pada Tanah Bekas Tambang Batu Bata Merah terhadap Serapan P, Ca dan B serta Fruitset Cabai Merah Besar (Capsicum annuum L.)

Agrikultura ◽

10.24198/agrikultura.v28i2.14956 ◽

2017 ◽

Vol 28 (2) ◽

Author(s):

Stefina Liana Sari ◽

Rija Sudirja ◽

Emma Trinurani Sofyan

Keyword(s):

Capsicum Annuum ◽

Block Design ◽

Organic Fertilizer ◽

Chemical Properties ◽

Soil Productivity ◽

Degraded Soil ◽

Capsicum Annuum L ◽

Compound Fertilizer ◽

Randomized Block Design ◽

Large Numbers

ABSTRACTApplication of liquid organic fertilizer formula plus on degraded soil to improve the productivity of the land and chili (Capsicum annuum L.) productionSoil exploitation in large numbers occurred in the District Wanaraja of Garut Regency. Excavation of soil more than 2 meters from the top layer for the manufacture of red bricks has exceeded the ability of the soil to re-establish its structure. So that the soils, which were agricultural lands, can be classified as degraded soils with less fertility and chemical properties. Lans reuse for agriculture requires adequate recovery and fertilizer input. This study aimed to determine the formula of LOF (liquid organic fertilizer) plus used with NPK compound fertilizer on degraded soil to improve the soil productivity. The design used was a Simple Randomized Block Design (RBD) by 10 combinations of LOF plus treatment with NPK compound fertilizer as follows: A = Control (degraded soil, no fertilizer), B = 0% LOF + 1 NPK, C = 0.25% LOF + 1 NPK, D = 0.50% LOF + 1 NPK, E = 0.75% LOF + 1 NPK, F = 1.00 % LOF + 1 NPK, G = 0.5% LOF + 3/4 NPK, H = 0.5% LOF + 1/2 NPK, I = 0.5% LOF + 1/4 NPK, J = 0.5 LOF + 0 NPK, and K = 1 NPK of normal soil that all replicated three times. The results showed that the degraded soil of red bricks required concentration of LOF above 0.5% to 1% when applied with 1 dose of standard NPK. It is able to balance the uptake of nutrients P, Ca, and B and percentage of fruitset in chili commodities equivalent to normal soil.Keywords: Chilli, Liquid Organic Faertilizer (LOF), NPK, Soil degrededABSTRAKEksploitasi tanah dalam jumlah yang besar terjadi di Kecamatan Wanaraja, Kabupaten Garut. Terjadinya penggalian tanah lebih dari 2 meter dari lapisan atas untuk pembuatan batu bata merah melampaui kemampuan tanah untuk membentuk struktur tanah kembali, sehingga tanah-tanah yang sebelumnya merupakan tanah pertanian ini dapat digolongkan menjadi tanah terdegradasi dengan sifat kimia kurang subur dan pemanfaatan kembali untuk pertanian memerlukan pemulihan dan input pupuk yang cukup. Penelitian ini bertujuan untuk mengetahui formula pupuk cair organik (PCO) plus yang digunakan bersama NPK pada tanah terdegradasi guna meningkatkan kembali produktvitas tanahnya. Rancangan yang digunakan adalah RAK sederhana dengan 10 kombinasi perlakuan PCO plus bersama NPK yaitu A = Kontrol (tanah terdegradasi, tanpa pupuk), B = 0% PCO + 1 NPK, C = 0,25% PCO + 1 NPK, D = 0,50% PCO + 1 NPK, E = 0,75% PCO + 1 NPK, F = 1,00% PCO + 1 NPK, G = 0,5% PCO + 3/4 NPK, H = 0,5% PCO + 1/2 NPK, I = 0,5% PCO + 1/4 NPK, J = 0,5 PCO + 0 NPK, dan K = 1 NPK tanah normal. Semua perlakuan diulang tiga kali. Hasil penelitian menunjukkan bahwa tanah terdegradasi bekas tambang batu bata merah memerlukan konsentrasi PCO di atas 0,5% sampai dengan 1% apabila diaplikasikan bersama 1 dosis NPKstandar. Hal ini mempu mengimbangi serapan hara P, Ca, dan B serta persen fruitset pada komoditas cabai setara dengan tanah normal.Kata Kunci: Cabai, NPK, Pupuk Cair Organik (PCO), Tanah terdegradasi

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Interactions Between Herbicide Application and Timing of Nitrogen Fertilization in Maize Hybrids

Journal of Agricultural Science ◽

10.5539/jas.v11n9p21 ◽

2019 ◽

Vol 11 (9) ◽

pp. 21

Author(s):

Guilherme V. Pimentel ◽

Silvino G. Moreira ◽

Mateus O. T. de Avila ◽

Antonio Henrique F. de Carvalho ◽

Alessandro A. P. da Silva ◽

...

Keyword(s):

Nitrogen Fertilization ◽

No Reduction ◽

Block Design ◽

Climatic Conditions ◽

Limited Information ◽

Herbicide Application ◽

Maize Hybrids ◽

Growing Seasons ◽

Randomized Block Design ◽

Different Levels

Maize hybrids have different levels of tolerance to the herbicide nicosulfuron, depending on the dose, the environment, the phenological stage of the plant and the timing of nitrogen fertilization, and phytotoxic effects can occur without proper management. There is also limited information on the selectivity of current genetically modified hybrids for other recommended herbicides, such as tembotrione. Thus, the objective of this study was to evaluate the effects of herbicides (tembotrione and nicosulfuron) and the timing of nitrogen fertilization on the yield of maize hybrids. The experimental design was a randomized block design, in a 4 × 2 factorial arrangement, with 4 replicates. The treatments consisted of four treatments [weeding; nicosulfuron + atrazine (20 and 32 + 1250 g ha-1 ai) and tembotrione + atrazine (75.6 + 1250 g ha-1 ai)] and two nitrogen fertilization times (0 and 7 days after application). Maize hybrids P30F53 Leptra, DKB 230PRO3 and KWS 9004PRO2 were assessed in two growing seasons (1st and 2nd harvest) during the 2016/2017 growing season. The percentages of weed control; phytotoxicity at 7, 14 and 21 days after application (DAA); plant height; number of rows per ear; and yield at harvest were evaluated. All herbicides were more effective in controlling weeds at the 1st harvest because of favourable climatic conditions. Nitrogen fertilization can be carried out on the same day as the application of the herbicides nicosulfuron and tembotrione with no reduction in yield for the hybrids P30F53 Leptra, DKB 230PRO3 and KWS 9004PRO2.

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Effects of silicate application on soil fertility and wheat yield

Semina Ciências Agrárias ◽

10.5433/1679-0359.2015v36n6supl2p4071 ◽

2015 ◽

Vol 36 (6Supl2) ◽

pp. 4071 ◽

Cited By ~ 4

Author(s):

Marcos Vinícius Mansano Sarto ◽

Maria do Carmo Lana ◽

Leandro Rampim ◽

Jean Sérgio Rosset ◽

Jaqueline Rocha Wobeto

Keyword(s):

Grain Yield ◽

Block Design ◽

Wheat Yield ◽

Chemical Properties ◽

Magnesium Silicate ◽

Exchange Capacity ◽

Soil Chemical Properties ◽

Randomized Block Design ◽

Fe And Mn ◽

Calcium Magnesium

An improvement in soil chemical properties and crop development with silicate application has been confirmed in several plant species. The effects of silicate application on soil chemical properties and wheat growth were investigated in the present study. The experiment was carried out in 8-L plastic pots in a greenhouse. Treatments were arranged in a randomized block design in a 3 × 5 factorial: three soils [Rhodic Acrudox (Ox1), Rhodic Hapludox (Ox2) and Arenic Hapludult (Ult)] and five silicate rates (0, 1, 2, 4 and 6 Mg ha–1 of calcium/magnesium silicate), with four replications. The plant length, number of spikes per pot, shoot dry matter and grain yield, were measured after 115 days of wheat (Triticum aestivum L.) growth. Changes in the soil chemical properties (pH, H+ + Al3+, Al3+, P, K, Ca, Mg, Si, Cu, Zn, Fe and Mn) were analyzed after wheat harvest. Application of calcium/magnesium silicate reduces the potential acidity (H+ + Al3+) and Al3+ phytotoxic; and increases the soil pH, available Ca, Mg and Si, cation exchange capacity (CEC) and soil base saturation. Silicate application did not affect the available P, exchangeable K and availability of micronutrients (Cu, Zn, Fe and Mn) in the three soils. The application of calcium/magnesium silicate in an acid clayey Rhodic Hapludox improves the development and yield of wheat; however, the silicate application in soil with pH higher to 5.3 and high Si availability does not affect the agronomic characteristics and grain yield of wheat.

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