Evaluasi Status Kesuburan Lahan Durian di Daerah Embung Tonogoro, Banjaroya, Kalibawang, Kulon Progo
RAMADHANA, Dr. Agr. Makruf Nurudin, S.P., M.P.
2024 | Tesis | S2 Ilmu Tanah
Kesuburan tanah menjadi salah satu penentu kestabilan dan peningkatan
produksi pertanian. Tanah dapat dikatakan baik ketika tanaman
yang ditanam dilahan
tersebut dapat tumbuh dengan baik dan maksimal produktifitasnya. Durian merupakan salah satu jenis buah
yang popular di Indonesia, memiliki rasa dan aroma yang khas. Penelitian ini bertujuan untuk memberi informasi mengenai status kesuburan tanah di
daerah Embung Tonorogo pada penggunaan lahan
perkebunan durian. Penilaian status kesuburan tanah mengacu pada Petunjuk Teknis
Evaluasi Kesuburan Tanah
dan menentukan batasan kesuburan berdasarkan Fertility Capability Soil Classification. Sampel tanah yang diambil berada di
daerah Embung Tonogoro adalah tanah utuh dan tanah terusik pada masing-masing SPL dengan
kedalama 0-30 cm, 30-60 cm dan 60-100 cm. Parameter sifat kimia yang diuji pH-H?O, Karbon Organik, N-total, KPK, K, Na, Mg, Ca, Kejenuhan
Basa. Parameter sifat fisika yang diuji : tekstur, berat volume tanah, berat
jenis dan porositas. Hasil penelitian menunjukkan bahwa status
kesuburan tanah pada tanaman durian
di daerah Embung Tonorogo pada titik sampel secara keseluruhan
dikategorikan sebagai rendah, sedangkan pada titik sampel puncak selatan (PSE)
dikategorikan sebagai sedang. Faktor pembatas tingkat kesuburan tanah
berdasarkan klasifikasi FCC (Fertility
CapabilitySoil Classification) adalah harkat K rendah dan pH tanah masam.
Soil fertility is one of the determinants of stability and
increased agricultural production. Soil is considered good when plants can grow
well and reach maximum productivity in the area. Durian
is one of the popular
fruit varieties in Indonesia, known for its distinctive taste and
aroma, enjoyed by many people. This research aims to provide information about
the soil fertility status in the Tonorogo Embung area, focusing on durian
plantation land use with variations in soil depth (0-30, 30-60, and 60-100 cm)
concerning the physical and chemical properties of the soil. The assessment of
soil fertility status refers to the Technical Guidelines for Soil Fertility
Evaluation and establishes fertility limits based on the Fertility Capability
Soil Classification. Soil samples
were taken as undisturbed and disturbed soil at each Soil
Profile Layer (SPL) with depths of 0-30cm, 30-60cm, and 60-100cm. Chemical
properties tested included pH-H?O (1:2.5), Organic Carbon (Walkley and Black method), Total Nitrogen
(Kjeldahl method), Cation Exchange Capacity (CEC), Base Saturation
(?(Ca+Mg+K+Na) / CEC x 100%). Physical properties tested included Texture
(pipette method), Soil Bulk Density (ring sample), Specific Gravity
(pyncometer), and Porosity (ratio of BV/BJ). The results showed that the
overall soil fertility status for durian plants
in the Tonorogo Embung area was categorized as low, while at the
southern peak sample point (PSE), it was categorized as moderate. Limiting
factors for soil fertility levels based on the FCC (Fertility Capability Soil
Classification) were low K availability and acidic soil pH.
Kata Kunci : Tanaman Durian, Status Kesuburan tanah, Faktor Pembatas Kesuburan (FCC),