No abstract

No abstract

Bawang putih (Allium sativum L) selain merupakan salah satu jenis sayuran penting di dataran tinggi, sekaligus merupakan salah satu sumber pertumbuhan baru ekonomi dalam pembangunan pertanian. Penelitian bertujuan untuk menganalisis faktor-faktor yang mempengaruhi efektivitas diseminasi teknologi budidaya bawang putih ramah lingkungan melalui pelatihan, demplot, dan temu lapang pada petani di Pancot, Desa Kalisoro, Kecamatan Tawangmangu, Kabupaten Karanganyar. Penelitian menggunakan pendekatan kuantitatif. Populasi penelitian adalah anggota kelompok taruna tani Tani Maju yang tergabung dalam Gabungan Kelompok Tani Ngudi Rejeki. Responden penelitian ditetapkan sebanyak 40 orang taruna tani. Data yang dikumpulkan meliputi persepsi petani terhadap pelaksanaan diseminasi, dan tingkat efektivitas diseminasi, meliputi pelatihan, demplot, dan temu lapang, terhadap teknologi rekomendasi. Data dianalisis mengunakan teknik analisis statistik deskriptif dan analisis jalur. Hasil penelitian menunjukkan terdapat 27 petani yang menilai bahwa pelaksanaan diseminasi efektif dengan nilai 90%. Ketiga metode diseminasi, yaitu pelatihan, demplot, dan temu lapang secara signifikan berpengaruh terhadap efektivitas diseminasi, dengan besar pengaruh masing – masing adalah 79,92%, 26,21%, dan 45,02%. Besar pengaruh pelatihan, demplot, dan temu lapang secara bersama-sama terhadap efektivitas desiminasi adalah 89,5% sedangkan sisanya yaitu 10,49% dipengaruh oleh faktor atau variabel lain di luar ketiga metode tersebut.

Select varieties with high yields and adaptive to the environment are one way to increase corn productivity. The study aimed to determine the adaptability of the growth and yield characteristics of superior national varieties of hybrid maize to shade stress. The study was carried out in a community forest area, Kalices Village, Kendal Regency, from March-September 2020. The study was designed using a split-split plot randomized block design with treatments for each sub-plot: (1) shade blocks 0%, 20%, and 40%; (2) application of cultivation technology for plant management recommendations for Integrated Crop Management (PTT) and farmer recommendations; (3) Varieties JH-37, NASA-29, and existing farmer hybrids. Data were analyzed using variance; if they were significantly different, they were further tested by Duncan’s Multiple Range Test (DMRT) at the 5% level. The results showed that the highest adaptive capacity was obtained by local corn with a density of 20%. The local hybrid variety Bisi-18 showed the highest dry shelled yield at 5.9 t/ha, followed by Nasa 29 at 5.8 t/ha dry shelled, and the JH 37 variety at 5.2 t/ha dry shelled.

The Agroecological Zone (AEZ) is an information system to determine the potential of land resources. Based on that, the suitability of plants and their land management technology can be identified. The evaluation of land suitability of coastal areas in Tegal District was carried out using matching method between growing requirements for commodities and land characteristics of AEZ data. AEZ identification results show that the coastal area consists of three zones, namely Zone A, alluvial plains with Typic Endoaquepts and Aeric Endoaquepts soil types; Zone B, Fluvio-marine plains with Typic Endoaquepts soil types; and Zone C, coastal areas with Typic Udipsamments soil types. Based on the agroecological characteristics, the coastal area is suitable for crops development and fisheries. The suitable agricultural commodities namely rice, water melon, sugar cane and jasmine, which correspond to class 1 (S1) for zones A and B; red chilies and shallots, class 2 (S2) which is suitable for zones A and B. While zone C is identified as less suitable for food crops or horticulture, due to limiting factors such as poor oxygen availability and poor root conditions.