Root growth and yield of sugarcane as a function of increasing gypsum doses

ABSTRACT Sugarcane plays an important role in the Brazilian agribusiness. However, poor rainfall distribution and soil acidity directly affect its production in the Northeast Brazil. Gypsum improves the soil physical and chemical properties, attenuating the effects of water stress and acidity in the edaphic environment. This study aimed at determining the effect of gypsum doses on sugarcane growth and yield. A field experiment was conducted using a 3 x 5 factorial arrangement organized in a randomized block design, with four replications. Treatments consisted of a combination of three sugarcane varieties (RB011941, RB92579 and RB991536) with five gypsum doses (0 Mg ha-1, 2.5 Mg ha-1, 5.0 Mg ha-1, 10.0 Mg ha-1 and 20.0 Mg ha-1). RB92579 exhibited the highest stalk (157.90 Mg ha-1) and sugar (24.10 Mg ha-1) yield. Gypsum did not influence the sugarcane yield or plant growth in the vegetative growth stage, but, in the maturation phase, the leaf area declined and the number of shoots increased with the rise in gypsum doses. Applying gypsum increased the roots density along the soil profile, with a rise of around 1.10 g dm-3 at the most technically efficient dose (12.5 Mg ha-1), however, yield was not influenced, maybe due to the effect of high rainfall during the entire crop cycle. Thus, higher gypsum doses are recommended during periods of drought to benefit from the resulting increased root system.

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Response of corn (Zea mays L.) to various organic-based fertilizers in marginal upland of Sta. Rita, Samar

Annals of Tropical Research ◽

10.32945/atr39sa3.2017 ◽

2017 ◽

pp. 31-43

Author(s):

Berta Ratilla ◽

Loreme Cagande ◽

Othello Capuno

Keyword(s):

Block Design ◽

Management Strategies ◽

Chemical Properties ◽

Organic Fertilizers ◽

Growth And Yield ◽

Physical And Chemical Properties ◽

Total N ◽

Randomized Complete Block Design ◽

Physical And Chemical ◽

And Chemical Properties

Organic farming is one of the management strategies that improve productivity of marginal uplands. The study aimed to: (1) evaluate effects of various organic-based fertilizers on the growth and yield of corn; (2) determine the appropriate combination for optimum yield; and (3) assess changes on the soil physical and chemical properties. Experiment was laid out in Randomized Complete Block Design, with 3 replications and 7 treatments, namely; T0=(0-0-0); T1=1t ha-1 Evans + 45-30-30kg N, P2O5, K2O ha-1; T2=t ha-1 Wellgrow + 45-30-30kg N, P2O5, K2O ha-1; T3=15t ha-1 chicken dung; T4=10t ha-1 chicken dung + 45-30-30kg N, P2O5, K2O ha-1; T5=15t ha-1 Vermicast; and T6=10t ha-1 Vermicast + 45-30-30kg N, P2O5, K2O ha-1. Application of organic-based fertilizers with or without inorganic fertilizers promoted growth of corn than the control. But due to high infestation of corn silk beetle(Monolepta bifasciata Horns), its grain yield was greatly affected. In the second cropping, except for Evans, any of these fertilizers applied alone or combined with 45-30-30kg N, P2O5, K2O ha-1 appeared appropriate in increasing corn earyield. Soil physical and chemical properties changed with addition of organic fertilizers. While bulk density decreased irrespective of treatments, pH, total N, available P and exchangeable K generally increased more with chicken dung application.

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PENGARUH PUPUK BOKASIH TERHADAP PERTUMBUHAN, HASIL, SERTA SIFAT FISIK DAN KIMIA TANAH PADA TANAMAN CABAI (Capsicum annuum L.)

AGRICA ◽

10.37478/agr.v6i1.421 ◽

2020 ◽

Vol 6 (1) ◽

pp. 1-9

Author(s):

Julianus Jeksen

Keyword(s):

Pore Space ◽

Block Design ◽

Chemical Properties ◽

Growth And Yield ◽

Optimum Dose ◽

Physical And Chemical Properties ◽

Total Soil ◽

Physical And Chemical ◽

Pepper Plants ◽

And Chemical Properties

This study was conducted to determine the effect bokashi fertilizer on the growth and yield of pepper plants, soil physical and chemical properties as well as the optimum dose of fertilizer bokashi. The design used in this experiment is a randomized block design (RAK) to the single factor pattern consisting of five treatments, namely: B0: 0 tonnes ha-1, B1: 5 tonnes ha-1, B2: 10 ton ha-1, B3: 15 ton ha-1 and B4: 20 tonnes ha-1. The variables were observed in this study is was a high plant (cm), a number of leaves tan-1 (strands), leaf area (cm2), fresh weight of fruit tan-1 (g tan-1) and ha-1 (ton ha-1 ), the soil volume weight (bulk density) (g cm-3), total soil pore space (%), total soil N, P-available land, available K-land, C-organic soil and soil pH. The results showed a significant influence on the variable crop growth and yield of pepper plants. Bokashi fertilizer application also provides improved physical and chemical properties of soil. Bokashi fertilizer use 20 tonnes ha-1 is the optimum dose that increases the weight of fresh chilli ha-1 as much as 26.63 tons.

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PENGARUH FORMULASI MALTODEKSTRIN DAN TWEEN 80 PADA KARAKTERISTIK FISIKOKIMIA BUMBU HERBAL INSTAN

Pro Food ◽

10.29303/profood.v5i2.102 ◽

2019 ◽

Vol 5 (2) ◽

pp. 479

Author(s):

Eva Mayasari ◽

Tri Rahayuni ◽

Jessi Manalu

Keyword(s):

Moisture Content ◽

Water Activity ◽

Block Design ◽

Chemical Properties ◽

Tween 80 ◽

Drying Method ◽

Randomized Block Design ◽

Two Factors ◽

Physical And Chemical ◽

And Chemical Properties

ABSTRACT Herbal spices used in making instant spices are sansakng leaf (Albertisia papuana Becc.), onion, and garlic. The drying method in making instant spices uses the foam mat drying method. The purpose of this study was aimed to determine the effect of maltodextrin and tween 80 formulations on instant herbal spices and determine the best formulation of maltodextrin and tween 80 formulations added on instant herbal spices based on physical and chemical properties. This study used a randomized block design (RBD) factorial pattern which is consisted of two factors of maltodextrin (5%,10%,15%) and tween 80 (0.5% and 1%), each treatment was replicated four times. The ANOVA (α=5%) results showed that the addition of maltodextrin on intant herbal spices significantly affected on moisture content, water absorption, water activity, and yield. While the addition of tween 80 on intant herbal spices significantly affected on moisture content and water activity. The best treatment on physicochemical properties showed in the combination of maltodextrin 5% and tween 80 1%. Keywords: Albertisia papuana Becc., foam mat drying, maltodextrin, sansakng, tween 80 ABSTRAK Bumbu herbal yang digunakan pada pembuatan bumbu instan adalah daun sansakng (Albertisia papuana Becc.), bawang merah, dan bawang putih. Metode pengeringan dalam pembuatan bumbu instan menggunakan metode foam mat drying. Penelitian ini bertujuan untuk mengetahui pengaruh formulasi maltodekstrin dan tween 80 pada bumbu herbal instan dan menentukan formulasi yang tepat dari formulasi maltodekstrin dan tween 80 pada pembuatan bumbu herbal instan berdasarkan sifat fisik dan kimia. Penelitian ini menggunakan rancangan acak kelompok (RAK) pola faktorial dengan dua faktor, yaitu konsentrasi maltodekstrin (5%, 10% 15%) dan konsentrasi tween 80 (0,5% dan 1%), masing-masing perlakuan diulang sebanyak empat kali. Parameter pengamatan yang diukur adalah karakteristik fisik dan kimia bumbu herbal instan. Hasil ANOVA (α=5%) menunjukkan bahwa penambahan maltodekstrin pada bumbu herbal instan berpengaruh nyata terhadap terhadap kadar air, daya serap air, aktivitas air dan rendemen bumbu herbal instan. Sedangkan penambahan tween 80 berpengaruh nyata terhadap kadar air dan aktivitas air. Kombinasi maltodekstrin sebanyak 5% dan tween 80 sebanyak 1% merupakan perlakuan terbaik berdasarkan karakteristik fisikokimia. Kata Kunci: Albertisia papuana Becc, foam mat drying, maltodekstrin, sansakng, tween 80

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The Effect of Solid (Granular) and Liquid (Foliar) Fertilizers Application on the Growth and Yield of Maize (Zea mays L) in Soils of Obubra, Cross River State, Nigeria

Asian Journal of Soil Science and Plant Nutrition ◽

10.9734/ajsspn/2019/v4i430053 ◽

2019 ◽

pp. 1-8

Author(s):

E. A. Akpa ◽

L. J. Agah

Keyword(s):

Sandy Loam ◽

Block Design ◽

Chemical Properties ◽

Growth And Yield ◽

Cross River State ◽

Randomized Complete Block Design ◽

Plot Area ◽

Number Of Leaves ◽

Physical And Chemical ◽

And Chemical Properties

The research was carried out in the month of April, 2018 to determine the effect of solid (granular) and liquid (foliar) fertilizers application on the growth and yield of maize in soils of Obubra. Five (5) composite soil samples were collected at the depth of 0-20 cm for the analysis of physical and chemical properties before application of the fertilizers. The experimental layout was randomized Complete Block Design (RCBD) with three treatments and five replications in a plot area of 25 m x 20 m (500 m2) which corresponds to 0.05 ha-1. The plot was designed and blocked into subplots, each measuring 6 m x 4 m (24 m2). Each block was separated from the other with a distance of one meter (1 m) apart and between subplots 0.5 m apart. Three treatments made up of treatment one (T1) zero application at 0 kg ha-1, treatment two (T2) liquid (foliar) N.P.K 20:20:20 at the rate of 100 mil of N, 50 mil of P2O5, 33.3 mil of Mp ha-1 and treatment three (T3) solid (granular) N.P.K 20:20:20 at the rate of 44.4 kg of N, 40 kg of P2O5 and 33.3 kg of Mp ha-1 were replicated five times making a total of fifteen (15) subplots. Parameters of plant heights and number of leaves were observed at 6 and 8 weeks after planting. Plant heights, number of leaves, number of cobs, weight of 1000 seeds in each subplot and weight of grain after shelling were analyzed respectively. Results on soil analyses showed that the soil texture was sandy loam with deficiencies in primary nutrients and other nutrients. On the plant heights, the result was significant (P≤0.05) and on the number of leaves, the result for 6 weeks was not significant (P≥0.05) while that of 8 weeks was significant (P≤0.05). On the number of cobs, 1000 seeds and weight of grain after shelling were also significant (P≤0.05). The solid (granular) fertilizer showed to be more effective than liquid (foliar) fertilizer and should therefore be recommended for the growth and yield of maize in the area.

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SIFAT FISIK DAN KIMIA MARMALADE JERUK KALAMANSI (Citrus microcarpa) : KAJIAN KONSENTRASI PEKTIN DAN SUKROSA Physical and Chemical Properties of Marmalade Citrus of Calamondin (Citrus microcarpa) : Study of Pectin and Sucrose Concentrations

EKSAKTA Berkala Ilmiah Bidang MIPA ◽

10.24036/eksakta/vol18-iss02/73 ◽

2017 ◽

Vol 18 (02) ◽

pp. 164-172

Author(s):

Tuti Tutuarima

Keyword(s):

Moisture Content ◽

Block Design ◽

Chemical Properties ◽

Total Dissolved Solids ◽

Heating Time ◽

Physical And Chemical Properties ◽

Dissolved Solids ◽

Randomized Block Design ◽

Physical And Chemical ◽

And Chemical Properties

The purpose of this study was to determine the effect of pectin and sucrose on the physical and chemical properties of marmalade citrus of calamondin and get the best treatment combination on making marmalade made from calamondin. This study used Randomized Block Design with 2 different factors. The first factor is the addition of pectin that is the level 1.75%, 2%, and 2.25%. While the second factor is the concentration of sucrose is 75%, 85%, and 95%. Each treatment was repeated 3 times to obtain 27 units of experiment. The process of making marmalade using heating time for 20 minutes at 70oC. The analyzes include viscosity, ability to spread of jam, moisture content, pH, and total dissolved solids. The analysis was conducted at Agricultural Technology Laboratory of Bengkulu University. The results showed that marmalade with the use of pectin 2.25% and 95% sucrose resulted the optimal in viscosity, ability to spread of jam, and total dissolved solids. For the results of moisture content and optimal pH obtained at the use of pectin 1.75% and 75% sucrose.

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SUGARCANE CROPS WITH CONTROLLED WATER DEFICIT IN THE SUB-MIDDLE SÃO FRANCISCO VALLEY, BRAZIL

Revista Caatinga ◽

10.1590/1983-21252018v31n419rc ◽

2018 ◽

Vol 31 (4) ◽

pp. 963-971 ◽

Cited By ~ 1

Author(s):

WELSON LIMA SIMÕES ◽

MARCELO CALGARO ◽

MIGUEL JULIO MACHADO GUIMARÃES ◽

ANDERSON RAMOS DE OLIVEIRA ◽

MÍRIAN PAULA MEDEIROS ANDRÉ PINHEIRO

Keyword(s):

Water Deficit ◽

Block Design ◽

Development Stage ◽

Maturation Stage ◽

Randomized Block Design ◽

Sugarcane Yield ◽

Maturation Stages ◽

Crop Cycle ◽

Technological Quality

ABSTRACT Sugarcane is one of the most affected crops by water scarcity. The efficient use of the irrigation water is an alternative to minimize this problem. The objective of this work was to evaluate biometric parameters, yield, and technological quality of sugarcane plants subjected to different controlled water deficit regimes in the sub-middle São Francisco Valley, Brazil. The experiment was conducted in a randomized block design, in two crop cycles, with three replications, with ten treatments consisted of three controlled water deficits (15%, 30%, and 45% of the crop evapotranspiration - ETc), applied at three development stages of the plant - sprouting and tillering (Stage I), grand growth (Stage II), and maturation (Stage III) - and a control with 100% of the ETc throughout the entire crop cycle. The controlled water deficit did not affect the technological quality of the sugarcane in any development stage. The sugarcane yield was higher when using a controlled water deficit of 30% of ETc in the sprouting and tillering stages of the plants. The water deficit of 15% of ETc is recommended for the grand growth, or maturation stages of the sugarcane plants for a greater water use efficiency of the production system.

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Effect of integrated nutrient management on physical and chemical properties of soil

Agricultural Science Digest - A Research Journal ◽

10.18805/asd.v35i1.9312 ◽

2016 ◽

Vol 35 (1) ◽

Author(s):

Suman Meena ◽

Narendra Swaroop ◽

Joy Dawson

Keyword(s):

Nutrient Management ◽

Particle Density ◽

Sandy Loam ◽

Pore Space ◽

Block Design ◽

Chemical Properties ◽

Available Nitrogen ◽

Randomized Block Design ◽

Loam Soil ◽

Physical And Chemical

A field experiment was conducted during <italic>Kharif</italic> season 2014 at the Research farm of Soil Science Allahabad School of Agriculture, laid out in randomized block design on sandy loam soil, containing sand 62.71%, silt 23.10% and clay 14.19% (Inceptisols). It was observed that for post harvest soil properties in treatment N20+ FYM @ 10 t ha−1 and <italic>Rhizobium</italic> P40K40 were improved significantly due to integrated use of inputs. Organic carbon-0.75%, available nitrogen- 333.23 kg ha−1, phosphorus- 34.58 kg ha−1, potassium -205.83 kg ha−1, pore space -50.80 %, pH -6.80 were found to be significant and bulk density -1.07 Mgm−3, particle density -2.62 Mgm−3, EC at 27°C -0.24 dSm−1 were found to be non-significantly improved in this treatment.

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MEDIA ROOT TRAINER MENGANDUNG COCOPEAT DAN GAMBUT MENDUKUNG PERTUMBUHAN DAN KUALITAS AKAR BATANG BAWAH KARET / Root Trainer Media Containing Cocopeat and Peat to Support Growth and Quality of Rubber Rootstock Roots

Jurnal Penelitian Tanaman Industri ◽

10.21082/jlittri.v26n1.2020.23-31 ◽

2020 ◽

Vol 26 (1) ◽

pp. 23

Author(s):

Nur Eko Prasetyo ◽

Budi Setyawan ◽

Samijan Samijan ◽

Nofitri Dewi Rinojati ◽

Sumarmadji Sumarmadji

Keyword(s):

Plant Growth ◽

Block Design ◽

Chemical Properties ◽

Dry Weight ◽

Organic Content ◽

Exchange Capacity ◽

Duncan Multiple Range Test ◽

Randomized Block Design ◽

Physical And Chemical ◽

Range Test

The physical and chemical properties of the growing medium for root trainer of rubber are critical to support plant growth. This study aimed to obtain the best medium for growing rootstock rubber seedlings in the root trainer. Rubber clone PR 300 seeds were germinated for 21 days, then raised in root trainer pots for five months. The treatments evaluated were a mixture of cocopeat, Rawapening peat, and manure at different ratios. The experiment was designed in a Randomized Block Design, three replications, 30 plants per replicate, totaling 720 plants. The observed variables were N, P, K, Mg, C-organic content, pH, and cation exchange capacity of cocopeat, peat, and manure, as well as plant growth (height, stem diameter, wet weight, and dry weight). ANOVA used for analyzing data, followed with the Duncan Multiple Range Test at 5% level. The results showed that there were three best root trainer media for PR 300 rubber rootstock seedlings were a mixture of cocopeat + peat (1:1), cocopeat + peat + manure (1:2:1), and cocopeat + peat + manure (2:1:1). The growth and compactness of the roots are outstanding, so the seedlings are easily removed from the root trainer pots without significant damage. Based on the initiation and cost, the best root trainer medium is a mixture of cocopeat + peat + manure (1: 2:1). It is necessary to study the use of other types of peat soils apart from Rawapening. Also, it needs to be observed further plant growth after inoculation with the stem and after planting in the field.Keywords : Planting medium, Rawapening peat, rubber clone PR 300. Abstrak Sifat fisik dan kimia media tanam di dalam wadah root trainer bibit karet sangat penting untuk mendukung pertumbuhan tanaman. Penelitian ini bertujuan mendapatkan media terbaik untuk pertumbuhan bibit batang bawah karet di dalam root trainer. Benih klon karet PR 300 dikecambahkan selama 21 hari pada bedeng pengecambahan kemudian dipindah-tanam dan dibesarkan selama 5 bulan dalam pot root trainer. Perlakuannya yaitu campuran cocopeat, gambut Rawapening, dan pupuk kandang (pukan) pada berbagai ratio, dan kontrol. Penelitian dirancang secara Acak Kelompok, tiga ulangan, masing-masing 30 tanaman, sehingga totalnya 720 tanaman. Variabel yang diamati yaitu kandungan N, P, K, Mg, C-organik, pH, dan kapasitas tukar kation dari cocopeat, gambut, dan pupuk kandang, serta pertumbuhan tanaman (tinggi, diameter batang, bobot segar, dan bobot kering). Data dianalisis dengan ANOVA, kemudian Duncan Multiple Range Test pada taraf 5%. Hasil penelitian menunjukkan bahwa ada tiga macam media root trainer terbaik untuk bibit batang bawah karet klon PR 300 yaitu campuran cocopeat + gambut (1:1), cocopeat + gambut + pukan (1:2:1), dan cocopeat + gambut + pukan (2:1:1). Pertumbuhan dan kekompakan akar sangat baik sehingga bibit mudah dilepas dari root tainer tanpa kerusakan berarti. Berdasarkan kepraktisan dan biaya maka media root trainer terbaik adalah campuran media cocopeat + gambut + pukan (1:2:1). Perlu dilakukan kajian mengenai pemanfaatan tanah gambut jenis lainnya selain dari Rawapening. Selain itu, juga perlu diamati lebih lanjut pertumbuhan tanaman setelah diokulasi dengan batang atas maupun setelah ditanam di lapangan.Kata kunci : Gambut Rawapening, klon karet PR 300, media tanam.

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Pengaruh Biochar terhadap Pertumbuhan Padi dalam Sistem Aerobik

Agrotechnology Research Journal ◽

10.20961/agrotechresj.v3i1.30396 ◽

2019 ◽

Vol 3 (1) ◽

pp. 44

Author(s):

Suli Suswana

Keyword(s):

Block Design ◽

Poultry Litter ◽

Chemical Properties ◽

Total Biomass ◽

Physical And Chemical Properties ◽

Soil Function ◽

Weathered Soils ◽

Meta Analyses ◽

Physical And Chemical ◽

And Chemical Properties

An application of biochar to the intensive weathered soils potentially can change physical and chemical properties of the soils, improved soil function and increased yield of crops. A meta-analyses evaluation showed a significant correlation between biochar and plants productivity, that means there are benefits of biochar application to the soils on plants productivities, that was increased 10%.This experiment was used Randomized Completed Block Design with 8 treatments and 3 replications. The treatments are: contr), 20 ton biochar ha-1, 40 ton biochar ha-1, 50 ton biochar ha-1, 60 ton biochar ha-1, 10 ton biochar + 10 ton poultry litter ha-1, 20 ton biochar + 20 ton poultry litter ha-1, 30 ton biochar + 30 ton poultry litter ha-1. The results showed biochar 20 ton ha-1 could increase significantly of plant heigh, number of punicles per clump, and the weight dried straw per clump. Whereas, application combination 20-30 ton biochar ha-1 + 20-30 ton poultry litter ha-1 could increase amount of tillers per clump, amound of punicles per clump, and weight dried straw (total biomass) per clump significantly.

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PENGARUH DOSIS PUPUK KASCING DAN NITROGEN TERHADAP PERTUMBUHAN DAN HASIL TANAMAN SELADA (LACTVCA SATIVA L.) VAR GEORGIA

AGRICA ◽

10.37478/agr.v1i2.481 ◽

2020 ◽

Vol 1 (2) ◽

pp. 38-43

Author(s):

Ketut Turaini Indra Winten

Keyword(s):

Physical Properties ◽

Block Design ◽

Chemical Properties ◽

Dry Weight ◽

Soil Physical Properties ◽

Organic Content ◽

Growth And Yield ◽

Optimum Rate ◽

Nitrogen Rates ◽

Physical And Chemical

The low of growth and yield of lettuce is quite often caused by the low of soil fertility, especially nitrogen and C-organic content. Poor soil physical properties also contribute to the cause of low yield of lettuce. Improved soil physical and chemical properties by adding casting fertilizers and nitrogen are expected to be able to increase the yields of lettuce. The field experiment was conducted in Candikuning village, district of Baturiti, Tabanan regency, from October 2005 to January 2006. The objective of the experiment was to study the effect of casting fertilizer and nitrogen rates on the growth and yields of lettuce. A randomized complete block design was used in this experiment and two treatment factors were imposed. Those two treatment factors were rates of casting fertilizers (i.e. 0, 10, 20 and 30 t ha"1 ) and rates of N (i.e. 0, 92, 138 and 184 kg N ha"1), which were arranged factorially and repeated three times. Results of the experiment indicated that interaction between casting fertilizer and nitrogen rates did not significantly affect the yields of lettuce. The rates of N only significantly affected several growth variables and the oven-dry weight of heads plant-1. Increased rates of N from 0 to 92 kg N ha-1 significantly resulted in the oven-dry weight of heads of 2.798 g plant-1 which was 13.9% higher than that of 0 kg N ha-1. Rates of casting fertilizer significantly affected head diameter and the oven-dry weight of heads plant"1 and ha-1. Increased rates of casting fertilizer from 0 to 10 t ha-1 gave the oven-dry weight of heads as much as 0.232 t ha"1 or 9.43% higher than the weight given by the rate of 0 t ha-1. The effects of rates of casting fertilizer and N were only significant on several soil physical properties. The relationship between rates of casting fertilizer and yields of lettuce was quadratic (Y = 0.21135 + 0.0032 X - 0.001 X2 ; R2 = 0.981). The optimum rate of casting fertilizer was 16.0 t ha-1 with the maximum oven-dry weight of heads of 0.237 t ha-1, meanwhile, the optimum rate of N had not obtained in this experiment.

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