Study Of Biology Of Rice Fields In Sunggal District, Deli Serdang Regency

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Introduction

The study of biology of rice fields in Sunggal District, Deli Serdang Regency, is crucial to determine the fertility status of paddy soils in the area. The analysis of paddy soil biology can provide valuable insights into the characteristics of the soil, which can affect agricultural productivity. This study aims to analyze the nature of biology of paddy soil in Sunggal District, Deli Serdang Regency, to determine the fertility status of paddy soils in the area.

Methodology

The analysis was conducted at the Biology Laboratory of the Faculty of Agriculture, University of North Sumatra during the period May to August 2017. A total of 17 paddy samples consisting of rain-fed and irrigation land were taken as research material. The method used is a survey with sampling through stratified random sampling based on the type of paddy fields. The analysis process includes the measurement of soil pH using the electrometry method, determining the content of soil organic matter with the Walkley and Black method, total nitrogen nutrient analysis using the Kjeldhal method, the availability of phosphorus (P) with the Bray II method, and the analysis of base cations (K+, Na+, Ca2+, Mg2+) through NH4OAC extraction pH 7. In addition, the Cation Exchange Capacity (CTK) is also analyzed using a similar method, and base saturation is calculated based on the data obtained.

Research Result

The results of this study indicate that rain-fed and irrigation rice fields in Sunggal District generally have a dominant pH that is rather sour. The organic C content in the soil is relatively low, while total nitrogen is also in the low category. The availability of phosphorus (P) is very low, and potassium levels (K) that can be exchanged are also low. Calcium (CA) which can be exchanged is relatively low, while Magnesium (Mg) indicates a medium value. Sodium (Na) that can be exchanged is at a low level, the dominant CTK is moderate, and the boredom of base (KB) is classified as very low.

From this analysis, the status of paddy soil fertility in Sunggal District can be categorized from very low to low. Even so, an interesting fact was found in Puji Mulyo Village, where the paddy fields in this village have moderate fertility status. This is caused by the high content of organic C in the rice fields in that location.

Analysis and Implications

This finding shows that the characteristics of soil biology are very influential on agricultural productivity in Sunggal District. The high dependence on the irrigation system without regard to the nutrient content in the soil has the potential to reduce soil fertility in the long run. Therefore, it is important for farmers to do better soil management, including the application of organic fertilizer and soil conservation techniques to increase nutrient content.

Increased awareness of the importance of sustainable land management can help maintain the fertility of paddy soils. The local government, in this case, must also play an active role in providing education and support for farmers to apply environmentally friendly agriculture practices. Thus, it is expected that agricultural productivity in Sunggal District can be increased and sustainable.

Conclusion

In conclusion, this study highlights the importance of analyzing the biology of paddy soil in Sunggal District, Deli Serdang Regency. The results of this study indicate that the fertility status of paddy soils in the area is generally low. However, an interesting fact was found in Puji Mulyo Village, where the paddy fields in this village have moderate fertility status. This study suggests that better soil management practices, including the application of organic fertilizer and soil conservation techniques, can help increase nutrient content and maintain soil fertility.

Recommendations

Based on the findings of this study, the following recommendations are made:

  • Farmers in Sunggal District should adopt better soil management practices, including the application of organic fertilizer and soil conservation techniques, to increase nutrient content and maintain soil fertility.
  • The local government should provide education and support for farmers to apply environmentally friendly agriculture practices.
  • Increased awareness of the importance of sustainable land management can help maintain the fertility of paddy soils.
  • The local government should also play an active role in providing education and support for farmers to apply environmentally friendly agriculture practices.

Future Research Directions

Future research should focus on the following areas:

  • Investigating the effects of different soil management practices on soil fertility and agricultural productivity.
  • Developing and implementing sustainable land management practices in Sunggal District.
  • Conducting further research on the biology of paddy soil in Sunggal District to provide more insights into the characteristics of the soil.

By following these recommendations and future research directions, it is expected that agricultural productivity in Sunggal District can be increased and sustainable.

Q: What is the main objective of the study?

A: The main objective of the study is to analyze the nature of biology of paddy soil in Sunggal District, Deli Serdang Regency, to determine the fertility status of paddy soils in the area.

Q: What methods were used in the study?

A: The analysis process includes the measurement of soil pH using the electrometry method, determining the content of soil organic matter with the Walkley and Black method, total nitrogen nutrient analysis using the Kjeldhal method, the availability of phosphorus (P) with the Bray II method, and the analysis of base cations (K+, Na+, Ca2+, Mg2+) through NH4OAC extraction pH 7. In addition, the Cation Exchange Capacity (CTK) is also analyzed using a similar method, and base saturation is calculated based on the data obtained.

Q: What are the results of the study?

A: The results of this study indicate that rain-fed and irrigation rice fields in Sunggal District generally have a dominant pH that is rather sour. The organic C content in the soil is relatively low, while total nitrogen is also in the low category. The availability of phosphorus (P) is very low, and potassium levels (K) that can be exchanged are also low. Calcium (CA) which can be exchanged is relatively low, while Magnesium (Mg) indicates a medium value. Sodium (Na) that can be exchanged is at a low level, the dominant CTK is moderate, and the boredom of base (KB) is classified as very low.

Q: What are the implications of the study?

A: This finding shows that the characteristics of soil biology are very influential on agricultural productivity in Sunggal District. The high dependence on the irrigation system without regard to the nutrient content in the soil has the potential to reduce soil fertility in the long run. Therefore, it is important for farmers to do better soil management, including the application of organic fertilizer and soil conservation techniques to increase nutrient content.

Q: What are the recommendations of the study?

A: Based on the findings of this study, the following recommendations are made:

  • Farmers in Sunggal District should adopt better soil management practices, including the application of organic fertilizer and soil conservation techniques, to increase nutrient content and maintain soil fertility.
  • The local government should provide education and support for farmers to apply environmentally friendly agriculture practices.
  • Increased awareness of the importance of sustainable land management can help maintain the fertility of paddy soils.
  • The local government should also play an active role in providing education and support for farmers to apply environmentally friendly agriculture practices.

Q: What are the future research directions?

A: Future research should focus on the following areas:

  • Investigating the effects of different soil management practices on soil fertility and agricultural productivity.
  • Developing and implementing sustainable land management practices in Sunggal District.
  • Conducting further research on the biology of paddy soil in Sunggal District to provide more insights into the characteristics of the soil.

Q: Why is the study important?

A: The study is important because it highlights the importance of analyzing the biology of paddy soil in Sunggal District, Deli Serdang Regency. The results of this study indicate that the fertility status of paddy soils in the area is generally low. However, an interesting fact was found in Puji Mulyo Village, where the paddy fields in this village have moderate fertility status. This study suggests that better soil management practices, including the application of organic fertilizer and soil conservation techniques, can help increase nutrient content and maintain soil fertility.

Q: What are the limitations of the study?

A: The limitations of the study are:

  • The study was conducted in a limited area, which may not be representative of the entire Sunggal District.
  • The study only analyzed the biology of paddy soil and did not consider other factors that may affect agricultural productivity.
  • The study did not provide a detailed analysis of the effects of different soil management practices on soil fertility and agricultural productivity.

Q: What are the future implications of the study?

A: The future implications of the study are:

  • The study suggests that better soil management practices, including the application of organic fertilizer and soil conservation techniques, can help increase nutrient content and maintain soil fertility.
  • The study highlights the importance of sustainable land management practices in Sunggal District.
  • The study provides a basis for further research on the biology of paddy soil in Sunggal District and its effects on agricultural productivity.