Pembuatan Rorak pada Perkebunan Kopi Arabica (Coffea arabica ) Untuk Meningkatkan Produktivitas

Abstract

High rainfall and soil tillage without applying soil and water conservation techniques (WCT) have led to higher runoff and erosion and washed away top soil that is rich in nutrients needed by plants. This causes soil fertility to decrease over time. This study aims to examine the differences in growth and productivity of Arabica coffee that the uses of rorak and without rorak. This research was conducted in the farmer's garden which is incorporated in the Barokah farmer group Sungai Jernih Village Gunung 7 District and Mekar Sari Village Kayu Aro District Kerinci Regency from May to July 2019. The experimental design used was unformatted trials and the location of the experiment was chosen intentionally (purposive) with the reason that in that area there are objects to be examined, namely coffee cultivation land that uses rorak and which does not use rorak. The treatment in this study was, Ro: land using rorak and R1: land without rorak. Vegetative and production variables observed included stem circumference (cm), leaf color, fruit weight with a sample of 100 chery coffees per tree (g) and soil variables including soil pH, soil moisture, nutrient content N, P, and K. The results of the study showed that making rorak produced differences in stem circumference, soil moisture content, nutrient content of N, P, K and soil pH as well as land productivity. Land using rorak yields 1047.61 kg / ha / year grenbeen and land without rorak 683.89 kg / ha / year grenbeen.Keywords: rorak, productivity of Arabica coffee

Morphological characters of root and yield of three cocoa (Theobroma cacao L.) clones in the field with dead-end trench

“…The dead-end trench application produced 1047.61 kg.ha -1 per year green beans, while the cultivation in land without deadend trench only produced 683.89 kg.ha -1 per year green beans. This result showed that dead-end trench increased the productivity of arabica coffee plants (Satibi et al, 2019).…”

Influence of Various Soil and Water Conservation Methods on the Moisture Balance at Coffee Plant Root Zone

“…This is presumably due to silt pit accommodated runoff during wet season, which made the infiltration period longer. Study by Satibi et al (2019) showed that the soil moisture content in coffee fields Influence of Various Soil and Water Conservation Methods on the Moisture Balance at Coffee Plant Root Zone with silt pit was higher (45.91%) when compared to coffee fields without silt pit (28.23%). The total SM was significantly different between all treatment plots in FP on observations of 19 th (Table 1).…”

“…Influence of Various Soil and Water Conservation Methods on the Moisture Balance at Coffee Plant Root Zone mm). Study by Satibi et al (2019) showed that the silt pit at coffee plantation could increase the soil moisture content (45.91%) when compared to the coffee plantation without the silt pit (28.23%); thereby increased the land productivity by 7,3 Mg.ha -1 .year -1 on the plots with silt pit; while the productivity land on the plots without silt pit was 4,8 Mg.ha -1 .year -1 . Sari (2017) mentions that biopore can increase the activity of soil organisms, thereby increasing soil porosity and infiltration capacity so that soil moisture storage also increases.…”

Robusta coffee transpiration rate in smallholder coffee plantations on Inceptisols of Malang, East Java

“…This is consistent with the results which showed that the water content far from the root zone had a higher value than the others. Results of the study of Satibi et al (2019) showed that making a silt pit in the coffee plantation was able to increase soil moisture content by 45.91% when compared to without silt pit by 28.23%.…”