Pengaruh Campuran Kompos Tandan Kosong Kelapa Sawit, Abu Boiler Dan Trichoderma Terhadap Pertanaman Kedelai Pada Sela Tegakan Kelapa Sawit Yang Telah Menghasilkan Di Lahan Gambut

Abstract

The aim of this experimentis to find out composite of the empty oil palm bunchesof compost, ash of the boiler and activator of trichoderma optimum for growth andproduce of soybean plant interposed between oil palm trees already produce at peatland. The research was arranged in Randomized Block Design (RBD) consisting of9 levels with three replications. The treatments were namely : A ((without bunchesof empty oil palm, ashes of boilers and activator of Trichoderma) ; B (1,45 kgbunches of empty oil palm ) per plot; C (1,45 kg bunches of empty oil palm + 145 gash of boilers) per plot; D (1,45 kg bunches of empty oil palm + 290 g ash ofboilers) per plot; E (1,45 kg bunches of empty oil palm + 290 g ash of boilers) perplot; F (1,45 kg bunches of empty oil palm + 2,9 g activator of trichoderma) perplot; G (1,45 kg bunches of empty oil palm + 145 g ash of boilers + 2,9 g activatorof trichoderma) per plot; H (1,45 kg bunches of empty oil palm + 290 g ash ofboilers + 2,9 g activator of trichoderma) per plot; and I (1,45 kg bunches of emptyoil palm + 435 g ash of boilers + 2,9 g activator of trichoderma) per plot. Afterplanting soybean plant of Grobogan Variety died on treatment A (without bunchesof empty oil palm, ashes of boilers,and activator of trichoderma), so the data wasnot analyzed of statistic. Parameters observed were : height plant (cm), the numberof branches primary, the age of flowering appearance (day), the number of pods,the percentage of pods filled, 100-seeds weight (g) and dry seeds weight (g). Theresults showed that the treatments of composite of the empty oil palm bunches ofcompost, ash of the boiler and activator trichoderma were not significant on theheight plant, the number of primary branches, flowering age, the percentage ofpods filled, and 100-seeds weight, but significant on the number of pods and dryseeds weight. The best application of treatment 1,45 kg bunches of empty oil palm+ 290 g ash of the boilers + 2.9 g trichoderma per plot increased the number ofpods and yield of soybean plant of Grobogan Variety on peat land fruitful withproductivity dry seeds weight 343,25 g/plot equivalent 1,19 ton/ha.

Key words: Empty Oil Palm Bunches of Compost, Soybean, ash of boiler,Trichoderma, Peat land.