scholarly journals Yield and survival rate of ‘Gigante’ cactus pear under regulated deficit irrigation using wastewater

2020 ◽  
Author(s):  
José Alberto Alves de Souza ◽  
Delfran Batista dos Santos ◽  
Sérgio Luíz Rodrigues Donato

Abstract This study aimed to evaluate the yield and survival rate of 'Gigante' cactus pear (Opuntia fícus indica) cultivated with regulated deficit irrigation (RDI) using wastewater under semiarid soil and climatic conditions. The experiment was carried out between October 2015 and August 2017 at Instituto Federal Baiano, campus Guanambi, Brazil. The treatments were as follows: no fertilization and no irrigation (T1); no fertilization and RDI with wastewater (0.6 L plant-1 week-1) (T2); no fertilization and RDI with wastewater (1.2 L plant-1 week-1, applied once a week) (T3); no fertilization and RDI with wastewater (1.2 L plant-1 week-1, divided into two applications per week) (T4) with organic fertilization (60 Mg ha-1 of bovine manure) and RDI with common water (1.2 L plant-1 week-1) (T5) and with organic fertilization (60 Mg ha-1 of bovine manure) and no irrigation (T6). The treatments were arranged in a randomized complete block design with five replicates. Based on the results, we concluded that (i) regulated deficit irrigation using wastewater increased the productivity of 'Gigante' cactus pear when compared to the rainfed crop and (ii) the application of 0.6 L plant-1 week-1 was sufficient to increase the survival rate of 'Gigante' cactus pear under prolonged drought conditions.

Author(s):  
José Alberto Alves De Souza ◽  
Delfran Batista dos Santos ◽  
Thaís Carvalho Camelo ◽  
Giliarde Alves Dos Reis ◽  
Carlos Elízio Cotrim

Aims: To evaluate productivity and nutrient supply in 'Gigante' cactus pear with regulated deficit irrigation (RDI) using wastewater, compared to RDI using common water and fertilization with bovine manure. Study Design: Treatments: no fertilization and no irrigation (T1); no fertilization and RDI with wastewater (0.6 L plant-1 week-1) (T2); no fertilization and RDI with wastewater (1.2 L plant-1 week-1, applied once a week) (T3); no fertilization and RDI with wastewater (1.2 L plant-1 week-1, divided into two applications per week) (T4); with organic fertilization (60 Mg ha-1 of bovine manure) and RDI with common water (1.2 L plant-1 week-1) (T5); and with organic fertilization (60 Mg ha-1 of bovine manure) and no irrigation (T6). The treatments were arranged in a randomized complete block design, with five replicates. Place and Duration of Study: The experiment was carried out between October 2015 and August 2017 at Instituto Federal Baiano, Guanambi Campus, Brazil. Methodology: Productivity of green and dry matter, amount of macro and micronutrients applied in the soil by wastewater and by organic fertilizer, macro and micronutrient contents present in the cladodes tissues, and macro and micronutrient contents in the soil were evaluated. The wastewater used was collected in the stabilization pond of the campus. Results: Green matter yield was significantly higher in irrigated treatments. Regarding dry matter, its value was higher in T5 and it did not differ statistically in the others. Conclusions: RDI, using common water, provided a yield of green matter 2.47 times higher than in non-irrigated treatment with the same fertilization; in the absence of organic fertilization, RDI, using wastewater, provided a yield of green matter 1.96 times higher than in non-irrigated treatment; in the absence of irrigation, organic fertilization does not provided a yield higher than in non-fertilized treatment; and the contribution of N, K, Cu, Zn and Mn only by the wastewater is not enough to sustain the crop's productivity in the long term.


2019 ◽  
Vol 2 (2) ◽  
pp. 27-31
Author(s):  
Pukar Khanal ◽  
Rupak Karn ◽  
Pratibha Budhathoki Chhetri ◽  
Samita Karki ◽  
Shrawan Kumar Sah

AbstractSowing dates and varieties affect the productivity of maize. A field experiment was conducted to find out the response of maize hybrids to sowing dates on growth and productivity of maize in spring season at Lamahi, Dang in 2019. The experiment was laid out in two factor factorial Randomized Complete Block Design with four replications. The treatment consisted of combination of three different sowing dates (February 1, February12 and February 23) and two maize varieties (Arun-2 i.e. OPV and hybrid Bioseed-9220).The result revealed that earlier planting on February 1 produced the highest yield (8265 Kg ha-1) which was significantly superior than latter planting of February 12(6099 kg ha-1)and February 23 (5934 kg ha-1).The higher yield in earlier planting was due to significantly higher no of kernel per ear, non-significant but higher number of cob per unit area, thousand grain weight. Similarly, Bioseed 9220 produced higher yield (7798 kg ha-1) compared to Arun-2 (5,734 kg ha-1). The higher yield of hybrid Bioseed 9220 was because of higher number of cob per unit area harvested and more number of kernel per cob. Therefore, earlier planting with hybrid maize is recommended in spring season of Dang and locations with similar climatic conditions for higher productivity of maize.


2018 ◽  
Vol 53 (2) ◽  
pp. 221-228
Author(s):  
Gil Mario Ferreira Gomes ◽  
Magno José Duarte Cândido ◽  
Marcos Neves Lopes ◽  
Theyson Duarte Maranhão ◽  
Dhones Rodrigues de Andrade ◽  
...  

Abstract: The objective of this work was to evaluate the effects of combined phosphorus and nitrogen fertilization and of harvesting frequency on the chemical composition of 'Gigante' cactus pear (Opuntia ficus-indica) cladodes. The experiment was carried out in two municipalities, Quixadá and Tejuçuoca, in the state of Ceará, Brazil. Fertilization with nitrogen (urea) and phosphorus (single superphosphate) was done with nine doses, respectively: 10 and 70, 70 and 10, 70 and 70, 70 and 130, 100 and 100, 130 and 70, 130 and 130, 130 and 190, and 190 and 130 kg ha-1 per year, besides 100 kg ha-1 N and P2O5 per year as the control. The harvesting frequencies evaluated were annual and biannual. A randomized complete block design was adopted, in split plot, with four replicates. The effect of fertilization on the contents of total dry matter, crude protein, neutral detergent fiber, organic matter, and total carbohydrates in the cladodes varies with harvesting frequency and site. Regarding harvesting frequency, there were higher contents of organic matter, total carbohydrates, and neutral detergent fiber, but lower contents of crude protein for the biannual harvesting in both municipalities. Annual harvesting improves the nutritional quality of primary and secondary cladodes in the municipality of Quixadá and of secondary and tertiary cladodes in Tejuçuoca.


2017 ◽  
Vol 47 (12) ◽  
Author(s):  
Erick Martins Nieri ◽  
Renato Luiz Grisi Macedo ◽  
Nelson Venturin ◽  
Regis Pereira Venturin ◽  
José Alvim Pinto Júnior ◽  
...  

ABSTRACT: The objective of this study was to evaluate the silvicultural performance of four forest species introduced in a setting for integrated livestock forest (ILF) in a pasture in Lavras, Minas Gerais, Brazil. The species included were the Australian red cedar (seminal and clonal), African mahogany, teak, and guanandi. A split plot scheme with a randomized complete block design comprising four replicates and 48 plants per plot, was used in the following arrangement: (3(3x2) +7x2) m. The evaluation times (12, 18, 31, 36, and 43 months after planting) corresponded to the subplots. Performances of all four species were evaluated on the basis of their survival rate, height (H) and diameter at breast height (DBH). Based on the performance of the species with regard to these parameters, the clonal Australian red cedar showed a greater growth in DBH and height in the ILF setting as compared to the other species, which indicates it to be a suitable species for the region of Lavras, MG as long as its survival control occurs in the implantation phase.


2020 ◽  
Vol 14 (2) ◽  
pp. 129-135
Author(s):  
Yuliah Yuliah ◽  
Ari Fiani ◽  
Tri Pamungkas ◽  

Ex-situ conservation plot of kayu merah (Pterocarpus indicus Willd) has been established in Gunungkidul in2016. The purpose of this study was to observe the early growth of kayu merah in the plot at 2 years old. The plot was laid-out in randomized complete block design consisting of 68 families, 4 tree-plot and 5 blocks with spacing of 3 m × 3 m. Genetic materials of kayu merah were collected from 3 populations namely Timor, Flores and Seram. Measurement was conducted in survival rate, tree diameter, tree height and number of branches. The result showed that the average survival rate of family was high (≥80%). Based on the populations, the survival rate of Timor, Flores and Seram were around 95%, 96% and 96.5% respectively. The average height, diameter and number of branches were 275 cm, 2.79 cm and 1.66, respectively. There were significant differences for height, diameter and number of branches among the tested families. In general, family ranking varied among the measured traits. Correlation between the traits varied among the populations. The Seram population showed the top family ranking for all the traits. It indicated that characterization in ex-situ conservation plot using genetic materials collected from the three populations was important for further conservation program of kayu merah.


Author(s):  
Kahsu Gebretsion ◽  
Kiros Abay

Aims: The study was conducted with the aim to identify the appropriate propagation techniques of the Oxytenanthera abyssinica. Study Design: Four different propagation techniques namely rhizomes, culm cuttings, direct seed sowing and seedlings were used. A randomized complete block design was used for studying different seed and vegetative propagation treatments. Four planting materials were planted in each plot and replicated four times. Place and Duration of Study: The study was done in Tselemti district northwestern zone of Tigray national regional state from June 2016-January 2018. Results: The survival rate was higher in the direct seed sowing (56.25%) and seedlings (43.75%) compared to that of the rhizome (12.50%) and culm cutting (0%). The numbers of the culms per clumps were significantly higher in seedlings (15.75), direct seed sowing (22) and rhizome (9) than the culm cutting (0) and also the average height of the culms were higher in rhizomes, seedlings, and direct seed sowings than the culm cutting (P<0.05). Significant lower diameter sizes were recorded in direct sowing and culm cuttings compared to the rhizome and seedlings. Conclusion: The present study confirmed that the direct sowing and seedlings propagation techniques of Oxytenanthera abyssinica are more appropriate and recommended to use in the study area.


Jurnal Wasian ◽  
2015 ◽  
Vol 2 (2) ◽  
pp. 67
Author(s):  
Mashudi Mashudi

Alstonia scholaris (L.) R.Br. is one of native and fast growing species in Indonesia. This species is potential for forest plantation. Its wood can be used for boxes, matches, heelpiece, crafts (mask and puppet),  pencil slate, and pulp. This paper aims to study the growth of Alstonia scholaris at 6 month old in Sumber Klampok, Bali. This experiment was arranged in a randomized complete block design with provenances as treatment. The research used 5 provenances, i.e. Lombok (NTB), Jayapura (Papua), Solok (West Sumatera), Timor (NTT) and Bali. Material genetic from 46 parent trees were used and we observed 4 seedling of each patent trees with 6 replications. The result showed that provenances of Bali, Lombok dan NTT were the best provenances for survival rate, height, and stem diameter.


2021 ◽  
Vol 25 (01) ◽  
pp. 89-97
Author(s):  
Muhammad Aslam

Climate change is one of the serious threats to agriculture and livestock. Climate change induced and reduced water shortage lowers production of food and fodder crops. In order to investigate the effects of deficit irrigation on forage yield of maize (Zea mays L.), cowpea (Vigna unguiculata L.), and guar (Cyamopsis tetragonoloba L.) grown as sole or intercropping of maize with cowpea and guar, the fields experiments were conducted during spring 2016 and 2017 in randomized complete block design (RCBD) with split plot arrangement. These crops were further exposed to water deficit by skipping irrigation at crop stages following maize growth scale at 15 days (V4), 30 days (V6), 45 days (V9), and 60 days (V12) after sowing along with normal irrigation. Maize intercropped with guar had maximum leaf area, plant height land equivalent ratio and monetary advantage index at normal irrigation but did not differ significantly under deficit irrigation. Thus, maize intercropped with guar was found more productive and beneficial with respect to sole under deficit irrigation. © 2021 Friends Science Publishers


2015 ◽  
Vol 1 (1) ◽  
pp. 21-27 ◽  
Author(s):  
Jiban Shrestha ◽  
Keshab B Koirala ◽  
Ram B. Katuwal ◽  
Narayan B Dhami ◽  
Bhanu B Pokhrel ◽  
...  

To identify superior quality protein maize genotypes for grain yield under different agro climatic conditions of terai and hill districts in Nepal, the coordinated varietal trials (CVT) were conducted at Dailekh, Doti, Salyan, Lumle and Pakhribas in 2013 and Salyan, Pakhribas and Kabre in 2014 during summer season and coordinated farmer’s field trials (CFFT) at Surkhet and Dailekh in 2013 and Salyan, Pakhribas and Khumaltar in 2014 during summer season. The experiment was carried out using randomized complete block design with three replications for CVT and CFFT. Across the locations and years the superior genotypes found under CVT were S01SIYQ, S01SIWQ-2 and Poshilo Makai-1 where as S99TLYQ-HG-AB, S99TLYQ-B and Poshilo Makai-1 were found superior genotypes under CFFT. The superior genotypes derived from CFFT will be promoted further for similar environments across the country.Journal of Maize Research and Development (2015) 1(1):21-27DOI: http://dx.doi.org/10.5281/zenodo.34282


Author(s):  
Kamidi Vijaykumar ◽  
Prashant Kumar Rai ◽  
A. Taqui ◽  
Venkata Pavan Kumar Nalluri

The present investigation was carried out to elucidate the information on the performance of groundnut genotypes for quantitative and qualitative traits. The experimental design consisted of 11 groundnut genotypes (including one check) arranged in Randomized complete Block Design with three replications in the Kharif season 2014 at Field Experimentation Centre of the Department of Genetics and Plant Breeding, SHIATS Allahabad, Analysis of variance revealed the presence of considerable variation among the genotypes for all the characters studied. On the basis of mean performance among 11 genotypes ICG 163 was best genotype in growth like primary branches per plant (7.77), days to maturity(107.33), pod yield per plant  (17.89 g), kernel yield (21.12 q ha-1) and oil yield (997 kg  ha-1). ICG 434 and ICG 513 were the best in protein content (23.68%) and oil content (47.73%).


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