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Abstrak :
Java is the biggest rice supplier with the largest paddy field compared to other islands in Indonesia. On the other side, economic growth needs more and more land for infrastructure growth. It was suggested that the growth would convert paddy field in Java to non-agriculture use. This paper reports the growth of land conversion, especially from paddy field to other utilization, in Java Island using panel data (provincial data 1995-2013). The data then treated as the dependent variable in the regression analysis for determining the factors that are significantly influential. The relative strengths of the influential factors are then compared using the concept of elasticity. It is found that farmers term of trade and GDP of manufacturing industries sectors significantly influence the land conversion. Meanwhile, the size of the population and the size of medium and large companies of manufacturing industries do not significantly influence the land conversion.

Abstrak :

Padi merupakan tanaman pangan utama yang dikonsumsi oleh sebagian besar populasi penduduk di Indonesia untuk makanan pokok sehari-hari. Hal tersebut didukung dengan konsumsi beras yang mencapai hingga 1,55 ton pada tahun 2018, dan Kabupaten Sukabumi berada pada lima besar kabupaten dengan produksi beras terbesar di Indonesia. Penelitian ini bertujuan untuk menganalisis musim tanam padi berdasarkan indeks vegetasi dan menganalisis estimasi produktivitas padi di Kecamatan Cikakak. Untuk dapat mengetahui pola musim tanam di Kecamatan Cikakak, digunakan indeks tiga vegetasi, yaitu NDVI, ARVI, dan MSAVI. Indeks vegetasi terebut diolah dalam citra Sentinel-2 menggunakan Google Earth Engine. Setelah itu, untuk mendapatkan estimasi produktivitas dilakukan validasi lapangan dari nilai indeks vegetasi yang didapatkan. Estimasi akan dikaitkan dengan faktor fisik dari Kecamatan Cikakak, yaitu ketinggian. Oleh karena itu, maka hasil dari validasi tersebut akan dibandingkan pada setiap titik dengan faktor tersebut. Hasil dari penelitian ini adalah pola fase dan musim tanam dari sawah di Kecamatan Cikakak, serta waktu tanam yang berbeda-beda pada setiap sawahnya dan pada setiap desanya. Estimasi produktivitas padi di Kecamatan Cikakak memiliki rata-rata 8,87 ton/ha untuk NDVI, 8,89 ton/ha untuk MSAVI, dan 6,50 ton/ha untuk ARVI. Sebagian besar sawah yang memiliki produktivitas yang cukup tinggi berada di ketinggian 250 – 500 mdpl. Indeks vegetasi NDVI menjadi indeks dengan akurasi paling tinggi diantara kedua indeks vegetasi lainnya.

 

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Paddy is the main food crop consumed by most of the population in Indonesia for daily staples. This is supported by rice consumption which reaches up to 1.55 tons in 2018 and Sukabumi Regency is in the top 5 districts with the largest rice production in Indonesia. This study aims to analyze the rice planting season based on vegetation index and analyze the estimation of rice productivity in Cikakak District. To be able to know the planting season pattern in Cikakak Subdistrict, vegetation index is used, there are 3 vegetation indexes used in this study, there is NDVI, ARVI, and MSAVI. The vegetation index is processed in Sentinel-2 imagery using Google Earth Engine, after that to get an estimate of productivity field validation of the vegetation index value obtained, in addition to the estimation will be associated with physical factors from the District of Cikakak, therefore the results of the validation will be compared at each point with these factors. The results of this study are the phase pattern and planting season of rice fields in the Cikakak sub-district when planting time is different in each rice field and in each village. Then for the estimation of rice productivity in Cikakak Subdistrict, it has an average of 8.87 tons / Ha for NDVI, 8.89 tons / Ha for MSAVI and 6.50 tons / Ha for ARVI, and most rice fields that have quite high productivity are at an altitude of 250 - 500 meters above sea level. In addition to using the NDVI vegetation index, it is the index with the highest accuracy among the two other vegetation indices to be able to estimate rice productivity.

 

Abstrak :
ABSTRACT
Rainfed paddy fields cover a large area in Northeast Thailand. Rice production there is known to be highly variable, with generally low yields. With the Thai economy developing rapidly since the 19603, an increasing number of farmers have sought employment in the non-farm sector. As a result. some worry that rice growing in this region might decline or even disappear. In reality, however, it continues to play an important role in ensuring basic food security to rural households. This study investigates technological advances in rice growing during this period of rapid economic growth in Don Daeng village using a dataset spanning approximately 50 years. The results indicate that farmers adopted small-scale agricultural machines, irrigation technologies, land consolidation, high yielding varieties, chemical fertilizers, and the direct seeding method on their own initiative. These technologies and methods contributed to increasing rice yields and stabilizing production. They also appear to have substantially improved labor productivity, allowing farmers to procure their main food supply from their paddy fields while earning an additional income from the off farm sector, which could then be reinvested in agriculture. Thus, the interaction between these sectors is currently supporting small scale rice production in peri urban villages in Northeast Thailand.

Abstrak :
ABSTRAK
Adaptasi petani sawah skala kecil terhadap risiko iklim memiliki peranan penting untuk memperkuat penghidupan petani agar mampu mengurangi kerugian dari risiko iklim. Tujuan penelitian adalah mengetahui bentuk penghidupan petani sawah skala kecil memanfaatkan sumberdaya, atribut penghidupan yang sensitif terhadap kelangsungan hidup petani dan hubungan antara atribut penghidupan sensitif dengan adaptasi petani sawah skala kecil terhadap risiko iklim. Penelitian menggunakan pendekatan kuantitatif. Hasil penelitian menunjukkan bahwa penghidupan petani sawah skala kecil memiliki keterbatasan dari aset sumberdaya manusia dan aset keuangan. Beberapa atribut penghidupan sensitif memiliki hubungan signifikan dengan adaptasi internal dan eksternal petani terhadap risiko iklim.

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ABSTRAK
Adaptation of small-scale paddy field farmers toward climate risk has an important role to strengthen farmers’ livelihoods to be able reduce sufferers from climate risks. The purpose of the study is to determine the characteristic of small-scale paddy field farmers’ livelihoods using their resources, recognize livelihood attributes contribute for farmers’ livelihood status, and identify the relationship between sensitive attributes with farmers’ adaptation toward climate risks. The study uses a quantitative research approach. The results showed that small-scale paddy field farmers have limitations on their livelihoods particularly on human resource assets and financial assets. Livelihood sensitive attributes have a significant relationship with farmers’ internal and external adaptation toward climate risks.