Efisiensi Energi dan Produktivitas Pada Tumpang Sari Jagung Manis (Zea Mays Saccharata Sturt) dan Kacang Hijau (Vigna Radiata L.) dengan Pengolahan Tanah dan Kerapatan yang Berbeda (Energy Efficiency and Productivity on lntercropping of Sweet Corn (Zea Mays Saccharata Sturt.) and Mungbean (Vigna Radiata L.) with Various Tillage and Crop Population)  

Oleh:

Santoso, Marhaenis Budi ; Mugnisjah, Wahju Qamara ; Agusta, Herdhata ; Burhan, Harris A.

Jenis: Article from Bulletin/Magazine
Dalam koleksi: Forum Pascasarjana vol. 27 no. 1 (Jan. 2004), page 29-40.
Topik: Produktivitas; tillage; population; intercropping; profuctivity; efficiency; sweetcorn; mungbean

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: FF26 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Experiment of sweet corn - mungbean intercropping was conducted to know its efficiency and productivity. The objective of the experiment was to get combination of tillage and crop population which more productive and efficient in energy use. Experiment eas arranged in split plot design, consisted of two factors : 1. method of tillages (conventional tillage, minimum tillages, and nontillage) as main plot and 2. mungbean population (125.000, 166.666 , 250.000 and 500.000 plants / hectare) intercropped with sweet corn (35.700 plants / hectare) as sub plot. The results showed no interaction among of two factors examined. The highest cob weight of sweet corn, grain yield of mungbean and harvest index of mungbean were achieved by conventional tillage. Highest population of mungbean (500.000 plants . hectare) produced highest mungbean production, especially on the amount of pod and grain yield, but harbest index was the lowest. While, com yield was reduced by increasing crop population. Increasing of crop population improved efficiency of light energy interception, but conversion efficiency of light energy and energy use efficiency was not significantly different. Results of the experiment also indicated that the highest commercial input efficicency to economical yield (0,99) was obtained from mungbean population of 166.666 plants / hectare with sweet corn population of 35.700 plants / hectare. Increasing mungbean population up to 500.000 plants / hectare improved efficiency of biological yield (3.92).

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