[Performance of weed, growth and yield of groundnut on mulching rates and soil tillage depth on latosol soil]
1988
Sutarto, I.V. | Hutami, S. | Supriati, Y. | Bangun, P.
This field experiment studied the effect of rice straw mulching as soil cover and the depth of soil tillage with a fork on the growth and yield of Gajah peanut variety. The experiment was conducted during the 1984 dry season at Citayam experiment farm, Bogor Research Institute for Food Crops, using a split-plot design with three replications. The main-plots were three straw mulching rates (0, 2, and 4 t/ha) and the sub-plots were five soil tillage depths (0, 10, 20, 30, and 40 cm). The results indicated that there was no interaction between mulching and soil tillage. The soil tillage (20 to 30 cm depths) and straw mulching 2 t/ha increased the CGR (crops growing rates), LAI (leaf area index), NAR (N assimilation rates), dry root, yield, and yield components, except for the number and weight of mature pods, weight of 1000 seeds, and of kernels per plant. Grain yield was significantly correlated with the number and weight of mature pods per plant, leaf area index, and weight of 1000 seeds. Rice straw mulch suppressed C. rotundus, C. iria, D. ciliaris, A. conyzoides, S. nodiflora. and P. nururi. The best peanut grain yield was obtained from soil tillage at 20 to 40 cm depth, and with 4 ton/ha of straw mulch.
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