Malaysian Journal of Sustainable Agriculture (MJSA)

A CASE STUDY ON SOIL FERTILITY STATUS AND MAIZE PRODUCTIVITY IN DANG DISTRICT, NEPAL

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mjsa.02.2019.60.63

ABSTRACT

A REVIEW ON SCENARIO, CHALLENGES AND PROSPECTS OF POULTRY PRODUCTION IN NEPAL

Journal: Malaysian Journal of Sustainable Agriculture (MJSA)
Author: Roshan Dhakal, Binod Joshi, Rupak Karn, Sagar Bhusal And Bibek Acharya

This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited

DOI: 10.26480/mjsa.02.2019.60.63

Poultry production is a growing industry that accounts about 3.5% of total GDP. The number of commercial farm is concentrated to districts like Chitwan, Kathmandu and Kaski but major of the poultry farming is followed by rural people which is under the free range system and low input production system. This review was written to summarize and study the present status, challenges and potential of poultry farming. In order to meet the demand of the poultry, the commercial poultry population has increased about more than two times than the last decade. Similarly, there has been marked increase in the number of laying birds, meat production and egg production in these recent years. But it has not been able to surpass the demand in the market. To meet the demand through commercialization, people have suffered different challenges like increase cost of production, lack of maintenance of bio-security, improper maintenance of housing ,lack of proper knowledge about poultry production ,irregular supply of qualifiable chicks ,religious and cultural restrictions ,outbreak of different diseases , lack of slaughter house and processing plant etc which has threatened the poultry business which can be uplifted through certain management strategies along with policies, programs and awareness campaign.
Pages 60-63
Year 2019
Issue 2
Volume 3

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mjsa.01.2019.33.38

ABSTRACT

EFFECTS OF HEAVY METALS (Cd, Zn and Cu) ON CARBON, NITROGEN AND IRON MINERALIZATION IN SOIL

Journal: Malaysian Journal of Sustainable Agriculture (MJSA)
Author: Falguni Akter, Humaira Hasan Tinni, Parmita Banarjee, Mohammad Zaber Hossain

This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited

DOI: 10.26480/mjsa.01.2019.33.38

A sixty days laboratory incubation study was conducted to investigate the effect of heavy metals on soil carbon, nitrogen and iron mineralization under aerobic condition. Sulphate salts of cadmium, zinc and copper were added individually and in combinations to soil samples and incubated in different plastic pots. Soil organic carbon did not change significantly throughout the incubation period. Soil microbial biomass carbon declined from 0.38mgkg-1to 0.19 mgkg-1 in Cd treated soil and 0.39 mgkg-1 to 0.28 mgkg-1 in Cu treated soil which account for about 50% and 28% reduction (p ≤0.05) in biomass carbon respectively. Cd:Zn and Cu:Cd treated soil had reduced 36.84% while Zn:Cu had 42.11% reduction in biomass carbon.CO2-C effluxes peaked by day 15 for all the single metal amended soil indicating that priming effects might have occurred. But in combination, metal showed some interaction for what the respiration rates were declined for the first 15 days. Rapid ammonification with presumed immobilization to ok place up to day 30. The result indicated a significant (p ≤0.05) net mineralization of nitrogen for Cd:Zn (63.72%) and Cu:Cd (66.66%) treatments at the end of the experiment. Available iron content showed significant changes in combined metal treatment than a single metal.
Pages 33-38
Year 2019
Issue 1
Volume 3

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mjsa.01.2019.28.32

ABSTRACT

EFFECT OF PHOTOPERIOD ON THE GROWTH PERFORMANCE AND BEHAVIORAL PATTERN OF ACHATINA ACHATINA SNAIL

Journal: Malaysian Journal of Sustainable Agriculture (MJSA)
Author: LC Ugwuowo, CI Ebenebe, CI Ezeano, CC Nnadi

This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited

DOI: 10.26480/mjsa.01.2019.28.32

The study was conducted to evaluate the effect of photoperiod on the growth performance and behavioral pattern of Achatina achatina. Ninety snails of uniform weights were used for the study which lasted for 56 days. The snails were randomly assigned to three treatments and each treatment was replicated three times with 10 snails per replicate. The snails were exposed to different light duration. Treatment 1 had 12 hours light and 12 hours darkness, Treatment 2 was subjected to 18 hours light and 6 hours darkness, Treatment 3 was subjected to 24 hours light. The data collected was analysed using one-way analysis of variance and Duncan multiple range test for significant mean separation. Data were collected on feed intake, weight gain, time of feeding and reproductive behaviors. The results of the experiment showed that there were no significant differences (P>0.05) in final weight gain, average daily weight gain, total feed intake, average daily feed intake, feed conversion ratio, duration of courtship, duration of feeding and cost of feed per kg weight gain between tre atments. The results also showed that there were significant differences in number of eggs laid and mating duration between treatments. From the result, it was concluded that the best photoperiod for Achatina achatina is 24 hours light as it produced the lowest feed conversion ratio and cost of feed per kg weight gain and that was recommended for effective growth of Achatina achatina.
Pages 28-32
Year 2019
Issue 1
Volume 3

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