Penggunaan Tiga Macam Mulsa Organik dan Tingkat Ketebalan pada Pertumbuhan dan Hasil Tanaman Kedelai (Glycine max (L.) Merrill) Varietas Grobogan
Abstract
The research was carried out from October 2023 to January 2024 at the Tohudan Horticultural Seed Garden, Colomadu District, Karanganyar Regency. This research used a Polynomial Split Plot Design consisting of 2 treatment factors, namely the use of three types of organic mulch consisting of 4 levels, namely M0 (control) plastic mulch, M1 (rice straw mulch), M2 (banana stem mulch), M3 (stem corn mulch) and the level of mulch thickness consisting of 3 levels, namely T1 (1 cm thickness), T2 (2 cm), T3 (3 cm). The results showed that the banana stem mulch treatment with a thickness of 3 cm gave the best results for soybean growth with a plant height of 106.67 cm and a number of leaves of 102.33. Banana stem mulch treatment with a thickness of 1 cm gave the best results for the growth of soybeans with a leaf area of 103.00 m2. Banana stem mulch treatment with a thickness of 2 cm gave the best yield of soybean with a number of pods of 87.00 pods, a number of seeds of 215.67, a seed weight of 27.67 grams, a weight of 100 seeds of 10.00 grams. The treatments of plastic mulch and organic mulch of 3 cm thickness provide the best results for suppressing weed growth.
Keywords: plastic mulch, organic mulch, thickness, soybean
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