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Sowing Dates Effects and Varieties Comparison and Their Interaction on Yield and Yield Components of Wheat (Triticum aestivum L.) Полный текст
2024
Wakil Ahmad Sarhadi | Wahida Yousofzai | Shamsurhman Shams | Abdul Khaliq Sahes | Alim Rateb
Wheat (Triticum aestivum L.) growth is directly affected by sowing dates. However, the yield of wheat in Afghanistan is significantly lower than the global standard. Several factors including fertilizers, sowing dates, seeds and cultivation methods, contribute to this low yield. The objective of this research was to address this critical issue by comparison of the effects of different sowing dates on wheat yield and its components under Kabul climatic conditions. The same experiment was conducted at two sites in 2020 using a randomized complete block design (RCBD) with three replications and twelve treatments. The varieties used were Darolaman-07 (V1), Mazar- 99 (V2), and Chunta-1 (V3) as factor one, and sowing dates of November 10th (S1), November 18th (S2), November 26th (S3), and December 4th (S4) as factor two. Growth and yield parameters measured and analyzed included plant height, number of leaves plant-1, total number of tillers plant-1, leaf area index (LAI), leaf nitrogen content (N), spike length, number of spikelets spike-1, number of grains spike-1, grain weight spike-1, thousand- grain-weight, days to maturity, number of spikes plant-1, biological yield, grain yield, straw yield, and harvest index. Sowing dates had significant effects on some wheat growth and yield parameters. Sowing on November 10th, 2020, resulted in the highest plant height and leaves number per plant compared to later sowing dates. There was a significant interaction between sowing date and variety at (P˂0.01) in both growth and yield parameters. ANOVA analysis highlighted significant differences among wheat varieties in spike length, grain weight spike-1, thousand grain-weight, and harvest index, with notable variations observed among different varieties. Based on the results, the longest duration to maturity and the highest grain yield were observed on sowing date of November 10, 2020.
Показать больше [+] Меньше [-]How and Why to Implement HACCP in Food Businesses in Developing Countries? Suggestions to Afghan Government and Private Sector Полный текст
2015
Sayed Mohammad Naim Khalid
In Afghanistan food safety is managed by several ministries including Ministry of Public Health, Ministry of Agriculture, Ministry of Commerce and municipalities. There is no food law but multiple ministerial decrees which ensure if GMP is implemented well. There is no legal requirement to get food safety certification. Hazard analysis and critical control point (HACCP) is recognized as a key part of food safety management practice in the global food industry and can be applied at any stage of the food supply chain. This article discusses accepted approaches to the application of HACCP principles for the development, implementation, and maintenance of HACCP plan. It is intended as an introduction to food safety system in Afghanistan, giving propositions to government on how to apply the principles in a stepwise approach, and showing how HACCP benefit public and private sector and also suggesting ways how to adapt this approach in the food businesses.
Показать больше [+] Меньше [-]Sowing Dates Effects and Varieties Comparison and Their Interaction on Yield and Yield Components of Wheat (Triticum aestivum L.) Полный текст
2024
Wakil Ahmad Sarhadi | Wahida Yousofzai | Shamsurhman Shams | Abdul Khaliq Sahes | Alim Rateb
Wheat (Triticum aestivum L.) growth is directly affected by sowing dates. However, the yield of wheat in Afghanistan is significantly lower than the global standard. Several factors including fertilizers, sowing dates, seeds and cultivation methods, contribute to this low yield. The objective of this research was to address this critical issue by comparison of the effects of different sowing dates on wheat yield and its components under Kabul climatic conditions. The same experiment was conducted at two sites in 2020 using a randomized complete block design (RCBD) with three replications and twelve treatments. The varieties used were Darolaman-07 (V1), Mazar- 99 (V2), and Chunta-1 (V3) as factor one, and sowing dates of November 10th (S1), November 18th (S2), November 26th (S3), and December 4th (S4) as factor two. Growth and yield parameters measured and analyzed included plant height, number of leaves plant-1, total number of tillers plant-1, leaf area index (LAI), leaf nitrogen content (N), spike length, number of spikelets spike-1, number of grains spike-1, grain weight spike-1, thousand- grain-weight, days to maturity, number of spikes plant-1, biological yield, grain yield, straw yield, and harvest index. Sowing dates had significant effects on some wheat growth and yield parameters. Sowing on November 10th, 2020, resulted in the highest plant height and leaves number per plant compared to later sowing dates. There was a significant interaction between sowing date and variety at (P˂0.01) in both growth and yield parameters. ANOVA analysis highlighted significant differences among wheat varieties in spike length, grain weight spike-1, thousand grain-weight, and harvest index, with notable variations observed among different varieties. Based on the results, the longest duration to maturity and the highest grain yield were observed on sowing date of November 10, 2020.
Показать больше [+] Меньше [-]How and Why to Implement HACCP in Food Businesses in Developing Countries? Suggestions to Afghan Government and Private Sector Полный текст
2015
Sayed Mohammad Naim Khalid
How and Why to Implement HACCP in Food Businesses in Developing Countries? Suggestions to Afghan Government and Private Sector Полный текст
2015
Sayed Mohammad Naim Khalid
In Afghanistan food safety is managed by several ministries including Ministry of Public Health, Ministry of Agriculture, Ministry of Commerce and municipalities. There is no food law but multiple ministerial decrees which ensure if GMP is implemented well. There is no legal requirement to get food safety certification. Hazard analysis and critical control point (HACCP) is recognized as a key part of food safety management practice in the global food industry and can be applied at any stage of the food supply chain. This article discusses accepted approaches to the application of HACCP principles for the development, implementation, and maintenance of HACCP plan. It is intended as an introduction to food safety system in Afghanistan, giving propositions to government on how to apply the principles in a stepwise approach, and showing how HACCP benefit public and private sector and also suggesting ways how to adapt this approach in the food businesses.
Показать больше [+] Меньше [-]Potencjał energetyczny biomasy roślinnej i możliwości wykorzystania do celów energetycznych Полный текст
Jarosz, Zuzanna
The need to ensure energy security, decouple energy production from fossil fuels and reduce greenhouse gas emission are driving the use of renewable energy sources. The purpose of the study is to assess the energy potential of agricultural crops biomass and to indicate its potential for electricity and heat production. The data from the Agricultural Census 2010 were used for analyses. On the basis of the detailed analysis of the changes in agricultural production in the years 2010-2015 the data has been updated. Is was assumed that the changes in communes were similar to those in voivodships. The energy potential of the crop biomass was estimated taking into account surpluses of straw, hay and perennial energy crops biomass. The study shows that energy potential of the biomass without jeopardizing food production amounts at 305,8 thousand TJ per year. / Synopsis. Zapewnienie bezpieczeństwa energetycznego, uniezależnienie się od paliw kopalnych oraz ograniczenie emisji gazów cieplarnianych skłania do wykorzystywania odnawialnych źródeł energii. Celem badań jest ocena potencjału energetycznego biomasy roślinnej z produkcji rolnej i wskazanie możliwości jej wykorzystania do produkcji energii elektrycznej i ciepła. Do badań wykorzystano dane z Powszechnego Spisu Rolnego 2010. Na podstawie szczegółowej analizy zmian zachodzących w produkcji rolniczej w latach 2010-2015 dokonano aktualizacji danych. Przyjęto założenie, że zmiany w gminach zachodziły w taki sam sposób jak w województwach. Potencjał energetyczny biomasy roślinnej oszacowano uwzględniając: nadwyżki słomy, siana i plantacje roślin energetycznych. Z przeprowadzonych badań wynika, że Polska dysponuje energetycznym potencjałem biomasy roślinnej kształtującym się na poziomie 305,8 tys. TJ rocznie, który może być wykorzystany do celów energetycznych bez zagrożenia dla produkcji żywności.
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