scholarly journals Effects of integrated nutrient management in early season cauliflower production and its residual effects on soil properties

2020 ◽  
Vol 3 (2) ◽  
pp. 353-365
Author(s):  
Babita Neupane ◽  
Krishna Aryal ◽  
Lal Bahadur Chhetri ◽  
Shishir Regmi

This experiment was conducted in the farmer’s field at Khajrauta, Gadhawa-4, Dang, Nepal to evaluate the effect of integrated nutrient management on growth and yield of cauliflower as well as their residual effects on soil properties. The cauliflower variety silvercup-60 was grown under eight different treatments; T1: 50% N through RDF + 50% N through FYM; T2: 50% N through RDF + 50% N through PM; T3: 50% N through RDF + 50% N through VC, T4: 50% N through RDF + 25% N through FYM + 25% N through PM; T5: 50% N through RDF + 25% N through VC + 25% N through PM; T6: 50% N through RDF + 25% N through VC + 25% N through FYM; T7: 50% N through RDF + 25% N through  VC +25% N through FYM; T8: 50% N through RDF + 50% N  through FYM,VC and poultry manure. The experiment was laid out in RCB design with three replications. The result revealed that the  highest plant height (36.40 cm), number of leaves (15), plant spread (31.72 cm), leaf area (526.5 cm2), curd weight (207.3g) and curd yield (12.85 t/ha) were found under 50% N through RDF +50% N through VC. The root length, root diameter and root density were better under all INM treatments as compared to 100% N through RDF. INM treatments showed lesser bulk density, lesser particle density, greater infiltration rate and greater organic matter content than application of 100% N through RDF. Soil total nitrogen was increased in all INM treatments while soil available phosphorus decreases in all treatments except 100% N trough RDF and 50% N through RDF +50% N through PM. Thus, farmers are suggested to apply 50% N through VC along with 50% N through RDF to increase cauliflower yield.   

2020 ◽  
Vol 5 (4) ◽  
pp. 476-481
Author(s):  
Swarna Chakraborty ◽  
Afrina Rahman ◽  
Md. Abdus Salam

For sustainable boro rice production in Bangladesh, a balanced fertilization to improve the current soil condition caused by mono-application of inorganic fertilizers and appropriate rice variety selection are very crucial. Therefore, an experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh, during the boro season of December 2016 to May 2017 to evaluate the effect of integrated nutrient management on two boro rice cultivars. The varieties were BRRI dhan28 and BRRI dhan29 and eight kinds of nutrient management viz., control (no fertilizers), recommended dose of inorganic fertilizers (120-60-40 N, P2O5, K2O kg ha-1 + gypsum 60 kg ha-1 and ZnSO4 @ 10 kg ha-1), full dose of poultry manure @ 5 t ha-1, cowdung @ 10 t ha-1, poultry manure @ 2.5 t ha-1 + 50% prilled urea and full dose of other inorganic fertilizers, cowdung @ 5 t ha-1 + 50% prilled urea and full dose of inorganic fertilizers, poultry manure @ 2.5 t ha-1 + 75% prilled urea and full dose of inorganic fertilizers, and cowdung @ 5 t ha-1 + 75% prilled urea and full dose of other inorganic fertilizers. The experiment was laid out in a split plot design with three replications. Result showed that, yield and yield components of boro rice were significantly influenced by variety, nutrient management and interaction of variety and nutrient management. In respect of grain yield, BRRI dhan29 produced the maximum yield (5.46 t ha-1). BRRI dhan28 showed poor performance with all characters and gave the minimum yield (4.07 t ha-1). In case of nutrient managements, the highest yield and yield component were obtained from poultry manure @ 2.5 t ha-1 + 50% prilled urea and full dose of inorganic fertilizers and produced the maximum grain yield (5.70 t ha-1). In the interaction of variety and integrated nutrient management, the highest grain yield (6.83 t ha-1) and straw yield (7.61 t ha-1) was obtained from poultry manure @ 2.5 t ha-1 + 50% prilled urea and full dose of inorganic fertilizers with BRRI dhan29 variety. So, BRRI dhan29 with 2.5 t ha-1 poultry manure + 50% prilled urea and full dose of the recommended inorganic fertilizers might be a promising practice for boro rice cultivation.


2019 ◽  

<p>Application of municipal sewage sludge (MSS) to agricultural soils is a current practice in EU. European legislation permits its use in agriculture when concentrations of metals in soil do not exceed the maximum permissible limits. In order to study the influence of MSS on cotton yield and soil properties, a filed experiment was conducted in a soil classified as Typic Xerochrepts located in Lamia area, central Greece, for two consecutive years. The experimental design was complete randomized blocks with four treatments: Control (C ), inorganic fertilization (IF), application of 6000 dry kg ha-1 MSS, and 10000 dry SS kg ha-1, each replicated 4 times. The results showed that MSS application in both rates, increased significantly cotton yield compared to control equally to inorganic fertilization. Soil properties, at the end of the second year of MSS application, were significantly affected by MSS application in a positive way i.e. pH decreased slightly, but organic matter content, available phosphorus, total nitrogen concentrations exchangeable potassium and available zinc and copper increased significantly. The potentially toxic elements lead, chromium, and nickel were not significantly affected by MSS application in both application rates compared to control.</p>


2021 ◽  
Vol 4 (2) ◽  
pp. 167-174
Author(s):  
Babi Basnet ◽  
Anil Aryal ◽  
Arjun Neupane ◽  
Bishal K.C. ◽  
Nuwa Hang Rai ◽  
...  

Integrated Nutrient Management (INM) is necessary to enhance sustainable yield in an eco-friendly way. A field experiment was conducted in the research field of Midwest Academy and Research Institute College of Live Sciences, Tulsipur, Dang from November 2018 to January 2019 to investigate the effect of integrated nutrient management on growth and yield of radish. Mino Early variety was used in the experiment. The experiment was laid out on Randomized Complete Block Design with four replications and 5 treatments. Nitrogen (N) was supplied through different sources. The treatment combinations were: control (T1), 100% recommended N through chemical fertilizer (T2), 50% recommended N through chemical fertilizer + 50% N through farmyard manure (FYM) (T3), 50% recommended N through chemical fertilizer + 50% N through poultry manure (T4) and 50% recommended N through chemical fertilizer + 50% vermicompost (T5). Significant effect was noted on leaf numbers, root length, root diameter and yield per ha but no significant effect was noted on the germination percentage and plant height. The highest germination percentage  (77.00 %), plant height (13.27 cm), root length (16.94 cm), root diameter (3.01 cm), and yield per ha (16.55 t/ha) was recorded at T4 (50% recommended N through chemical fertilizer + 50% N through poultry manure). T5 (50% recommended N through chemical fertilizer + 50% vermicompost) recorded the highest leaf numbers (10.40). In our experiment, T4 (50% recommended N through chemical fertilizer + 50% N through poultry manure) was found to be superior, so in inner terai places like Tulsipur, Dang it is suggested to apply 50% recommended N through chemical fertilizer + 50% N through poultry manure to obtain a high yield of radish.


2015 ◽  
Vol 6 (1) ◽  
pp. 159-162
Author(s):  
MG Azam ◽  
M Islam ◽  
MA Gulandaz ◽  
JA Mahmud

The field experiments were conducted for one season rabi 2008-09 at the Multilocation testing site Magura on calcareous soil to study the effect of integrated nutrient management on the growth and yield of onion (cv. BARI piaj 2). The experiment was laid out in a RCB design. There were five treatments involving four inorganic levels and organic levels another absolute control (no manure and no NPK). Higher level of inorganic T1 i.e., (120-45-85-40 kg ha-1 NPK S+ 5 t/ha CD) produced significantly higher bulb yield (18.76 t/ha) which was on par with T4 (17.87 t/ha) i.e., 5 t/ha poultry manure + remaining amount from inorganic fertilizer T2. The results also indicated that the same treatments recorded the highest single bulb weight, bulb yield as well as gross returns and MBCR (7.14) as compared to other treatments.DOI: http://dx.doi.org/10.3329/jesnr.v6i1.22059 J. Environ. Sci. & Natural Resources, 6(1): 159-162 2013


2020 ◽  
Vol 7 (3) ◽  
pp. 73-84
Author(s):  
OLUWATOYIN OPEYEMI AKINTOLA ◽  
ADEWUNMI IDAYAT BODEDE ◽  
MICHAEL MICHAEL ◽  
AYODEJI GIDEON ADEBAYO ◽  
OLAWALE NUREAN SULAIMAN

Knowledge of soil properties is essential for environmental sustainability for any forest reserve or plantation. The physical and chemical properties of soil under three different land uses was investigated to assess the nutrient and fertility status of the soils. Fifteen soil samples, each collected from different locations within the natural forest, plantation and farm land were analyzed for soil texture, bulk density, porosity, pH, organic carbon, organic matter content, total nitrogen, available phosphorus, Na, K, Ca, Mg, Zn, Cu, Fe and Mn. Texturally, the soils were loamy, loamy sand and sandy loamy in the natural forest, plantation and farmland respectively. There was a significant difference between the three different soils in composition and texture.


Author(s):  
K. A. Abdulraheem

The effects of fire on soil properties have been widely studied in different ecosystems globally. However, only limited studies exist in the savanna tropics of Africa with mostly inconsistent results. The objective of this study is to characterize the effects of different fire intensities on soil properties in the Guinea Savannah of Nigeria through laboratory experiments. Three different grass species (Eleusine indica, Cynodon dactylon and Imperata cylindrica) and soils were collected from the forest zone of the University of Ilorin and prepared for laboratory investigation. Experimental fires were simulated in the laboratory to replicate field burning conditions on the prepared plots to determine precise effects of fire on soil properties. Three fire treatments (low, moderate and high) were considered, while the pre-burning and post burning samples of soils were taken for laboratory investigation, and the results statistically analyzed. The pH was observed to have increased between the range of 7.92 to 8.37. The average percentage decrease in organic matter content is 5%, 33% and 69% for low, moderate and high fire intensities, respectively. For total nitrogen, 8%, 16%, and 19% increase; calcium, 17%, 117% and 283% increase; magnesium, 11%, 30% and 84% increase; sodium, 7%, 20% and 54% increase; potassium, 24%, 20% and 49% decrease; available phosphorus, 8%, 18% and 29% increase. The results show the impacts of prescribed fire in the management of savanna ecosystem..


2020 ◽  
Vol 10 (1and2) ◽  
pp. 1-9
Author(s):  
Lipiara Khatun ◽  
A.J.M. Sirajul Karim ◽  
Md Shafiqul Islam ◽  
Mohammad Zakaria ◽  
Noor Shaila Sarmin ◽  
...  

Author(s):  
Dambera M. Sangma ◽  
L.T. Longkumer ◽  
A.P. Singh ◽  
Virosanuo Solo

Background: Sesamum indicum L. is a tropical and subtropical plant cultivated for seed purpose, which yields about 50% high quality edible oil with 65% of the seeds being used for oil extraction and 35% for consumption purpose. The seeds have outstanding amounts of oil and consists of extensive root system that makes it very tolerant of drought.Methods: A field experiment entitled “Effect of planting density and Integrated Nutrient Management in sesame” was carried out at the Agronomy Research Farm of School of Agricultural Sciences and Rural Development, Nagaland University, Medziphema campus, during Kharif season of 2017-18. Nine treatment combinations consisting of three level of planting density i.e., T1- (20cm x 10cm), T2 (30cm x 10cm) and T3 (40cm x 10cm) along with three levels of nutrient management practices i.e., N1 (100% RDF), N2 (75% RDF + 25% FYM) and N3 (75% RDF + 25% poultry manure) were tried in factorial randomized block design with three replications. Conclusion: Among the different planting density and nutrient management practices, combined effect of 20cm x 10cm planting density with 75% RDF + 25% FYM nutrient recorded highest growth attributes viz., plant height (cm), number of leaves plant-1, number of branches plant-1 and yield attributes viz., number of capsules plant-1, seed yield (kg ha-1) and stover yield (kg ha-1). However, the highest net return (₹16687.66) and B:C ratio (1.13) was obtained from the treatment combination of 40cm x 10cm planting density along with combination of 75% RDF + 25% poultry manure. Hence, the combined application of manures with inorganic source of nutrients with reduced planting density recorded higher growth and yield attributes thereby resulting higher economic return than the application of RDF alone.


2019 ◽  
Vol 44 (3) ◽  
pp. 525-536
Author(s):  
S Aktar ◽  
MA Quddus ◽  
MA Hossain ◽  
S Parvin ◽  
MN Sultana

A field experiment was conducted at the Pulse Research Sub-station of Bangladesh Agricultural Research Institute (BARI), Gazipur during rabi season of 2015-16 and 2016-17 to evaluate the effectiveness of organic and inorganic sources of nutrients in terms of growth and yield maximization of lentil. The experiment was laid out in a randomized complete block design (RCBD) having six treatments with three replications. The treatments were T1= Recommended dose (N20P15K30S10Zn3B1.5 kg ha-1), T2= IPNS (Inorganic) +2.5 t ha-1cowdung, T3= IPNS (Inorganic) +5 t ha-1cowdung, T4= IPNS (Inorganic) +1.5 t ha-1 poultry manure, T5= IPNS (Inorganic)+3 t ha-1 poultry manure and T6= Control. The results reveal that the integrated nutrient management had significant effects on the plant height, number of branches per plant, number of pods per plant, number of seeds per pod, 1000-seed weight, and seed yield of lentil. The maximum seed yield (1216 kg ha-1) as well as protein content (26.1%) were recorded with T4 treatment. The results advocate that satisfying the recommended dose through application of poultry manure @ 1.5 t ha-1 with IPNS inorganic fertlizer could be suggested for achieving yield miximization of lentil in chhiata soil series of Gazipur. Bangladesh J. Agril. Res. 44(3): 525-536, September 2019


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