Effect of soil tillage, mulch and population on the growth and yield of short maturing pigeonpea
1992
Karsono, S. (Balai Penelitian Tanaman Pangan, Malang (Indonesia))
The experiment was conducted at Muneng Experimental Station, in the season of 1989. The design was a split-split plot with three replications. The variety Mega was used in the experiment and one plant/hill. The main plot was method of soil tillage : A. without soil tillage, B. once ploughing and once harrowing and C. twice ploughing and twice harrowing. The subplot was mulching application a. without mulching and b. 8 t rice straw/ha as mulch. The sub-sub plot was plant population : 1. 25 cm x 10 cm, 2. 35 cm x 10 cm, and 3. 45 cm x 10 cm. Soil tillage and mulching application did not affect the yield, but 8 t mulch/ha suppressed the growth of weed at 20 days after planting. A higher population i.e. 400.000 plants/ha (25 cm x 10 cm) increased yield significantly compared to the lower population 222,222 plants/ha (45 cm x 10 cm)
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