Abstract:A pot experiment in green house was done to study the effect of the dosage and speciesof perennial legume green manures to the physiological traits, growth and yield of organic lowland rice (Oryza sativaL.), and to obtain the optimal dosage as well. The research was arranged in a factorial randomized block design consistedof two factors with three replications.The first factor was the species of perennial legume thatconsisted of threespecies: Turi (Sesbaniagrandiflora), Glirisidia (Gliricidiasepium), and Lamtoro (Leucaenaleucocephala) and cow manure as control treatment. The second factor was the dosage of green manure thatconsisted of four levels: 5, 10, 20 and 40 t/ha. The results showed that application ofperennial legumesinto the soil significantly improved the growth and yield of rice. The application of 20 t Glirisidia leaves/haproduced the highest grain yield, followed by 20 t Lamtoro leaves/ha and 20 t Turi leaves/ha. The optimal dosages of S. grandiflora, G. sepium and L. leucochepala leaves that could yield 58.03 g/hill (equivalent to14.51 t/ha), 53.67 g/hill (equivalent to 13.42 t/ha), and 49.67 g/hill (equivalent to 12.42 t/ha) were 28.05, 25.46 and 26.41 t/ha, respectively.

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The object of the study was to obtain the types of application of Glirisidia green manures on the growth and yield of organic rice lowland. The experimental pot experiment was carried out in a randomized block design consisting of one factor and three replications. The treatment factor was 10 various application of Glirisidia leaves. The treatments are: 100% fresh Glirisidia leaves + 0% compost; 60% fresh Glirisidia leaves + 40% compost; 40% fresh Glirisidia leaves + 60% compost; 100% wind-dried Glirisidia leaves + 0% compost; 60% of wind-dried Glirisidia leaves + 40% compost; 40% wind-dried Glirisidia leaves + 60% compost; 100% sun-dried Glirisidia leaves + 0% compost; 60% of the sun-dried Glirisidia leaves + 40% of compost; 40% of the sun-dried Glirisidia leaves + 60% compost; and 0% Glirisidia leaves + 100% compost. The results showed that the various application of Glirisidia leaves increased the grain yield 34, 09% compared to the application of 0% Glirisidia leaf + 100% compost. The grain/ hill of yield could be improved by application of 100% fresh Glirisidia leaves + 0% compost (164,47 g grain/hill), 100% of wind-dried Gliricidia leaves (165,55 g grain/ hill) + 0% compost, or 100% sun-dried Gliricidia leaves + 0% compost (169,14 g grain/ hill). Keywords—: organic rice lowland; green manure; various application of Glirisidia leaves.

An effort to meet the national food need is by utilizing productive forest areas under albizia stands. Food stuff such as peanuts can grow under albizia forest stands. The purpose of this research was to know success of agroforestry system implemented to tree after initial release of contract. This study was conducted under albizia stand of state forest Magetan in East Java. Research design was used in this study was randomized block design. 5- year- old albizia stages with 0%, 25%, 50 % trimming intensity with plant spacing of   3 m x 4 m, Albizia trees that used for this comparison as many as 90 albizia trees. Results showed that soil lies under 5-year-old albizia trees still produced peanut with highest weights 129 g/m and lowest weight 117 g/m2 while highest biomass about 115.10 g and lowest biomass about 98.23 g. Application of agroforestry system under 5-year-old albizia stand is still good and intensive, creating work, improving social welfare, local community opinion change into positive perceptions for forestry development, forest protection, forest fire prevention, reducing rapid forest degradation and environmental quality conservation of forest areas.

Abstract— The object of the study was to obtain the residual the various of application of Glirisidia green manures on the growth and yield of organic rice lowland. The pot experiment was carried out in a randomized complete block design (RCBD) consisting of one factor and three replications. The factor was 10 residual the various of application of Glirisidia leaves that added the compost of cattle manures, namely: 100% fresh Glirisidia leaves+0% compost; 60% fresh Glirisidia leaves+40% compost; 40% fresh Glirisidia leaves+60% compost; 100% wind-dried Glirisidia leaves+0% compost; 60% of wind-dried Glirisidia leaves+40% compost; 40% wind-dried Glirisidia leaves+60% compost; 100% sun-dried Glirisidia leaves+0% compost; 60% of the sun-dried Glirisidia leaves+40% of compost; 40% of the sun-dried Glirisidia leaves+60% compost; and 0% Glirisidia leaves+100% compost. The results showed that the residual of Glirisidia leaves given in the form of fresh, wind-dried and sun-dried with a composition of 60% Glirisidia green manures+40% compost, 40% composition of Glirisidia green manures + 60% compost and 100% compost without Glirisidia leaves supported growth, yield components and yield of organic lowland rice (an average of 140. g/hill) is higher than that of Glirisidia leaves 100% without added of cow manures (an average of 124.29 g/hill).  Keywords—: Glirisidia leaf; green manure; organic lowland rice; residue.