ABSTRACT Chilli (Capsicum annum L.) is an important commodity and has high economic value in Indonesia. Aphis gossypii Glover is pest that attacks chilli plants. The environmentally friendly control is to use plant based botanical insecticides. Plant used as a botanical insecticide is chirinyuh leaf (Chromolaena odorata L.). The purpose of this study is to get a concentration of chiri…
ABSTRACT Rhinoceros beetles larvae (kolarhino) feces is an organic fertilizer that can increase soil nutrients and soil mesofauna in oil palm plants. The aim of the study was to determine the effect of several doses of kolarhino on population density and diversity of soil mesofauna in immature oil palm plants. The study was conducted from May to August 2018 at the oil palm plantation PTPN V …
ABSTRACT Roads are the most important transportation infrastructure that use to support the local economy. Cendrawasih are classified as local road with 2 lane and 2 way road undivided with total length are 1 km and width are 6 m. This Final assignment aims to calculate the thickness of rigid pavement at Cendrawasih Street Pekanbaru City. Data required in design is the value of CBR and average…
ABSTRACT The research aimed to determine the interaction effect of NPK fertilizer dosage with the concentration of rice washing water and to know the effect of NPK fertilizer, rice washing water concentration and get the NPK fertilizer dose and the best concentration of rice washing water on the result of tomato plants (Lycopersicum esculentum Mill.). The research used a Completely Randomized …
Mini grafting durian was a vegetative propagation to produce superior durian seedlings. The success of mini grafting is determined by the availability of hormones in the seed. Plants that lacking of phytohormone can inhibit the growth of seedlings. Therefore, an attempt was made to fulfill phytohormone by providing BPT. The purpose of this research was to determine the effect of BAP and ge…
ABSTRACT Communication is the key to achieve success of rubber plantation farming, it takes knowledgeable and well-versed people in the field of rubber plantation farming. People who are capable to repair wrong farming techniques, to prevent the occurrence of low rubber productivity, poor rubber quality and the price of rubber crushed. The research aims to analyze effectiveness of rubber farme…
ABSTRACT Compressive strength and split tensile strength are important parameters of concrete strength. This resarch was conducted to examine the effect of adding Sodium Tripolyphosphate (Na5P3O10) on the mechanical properties of Under-Water Concrete (UWC). Variation of Na5P3O10 used is by ading 5%, 10% and 15% of cement weight, and adding stone crush as filler at 10% of fine aggregate weight.…
ABSTRACT Rambutan street is a local road connecting centers of activities such as education, offices, health, commerce and housing. This road is classified as a local road with two undivided, two-lane paths (2/2TB). Viewing visually path Rambutan there are road damage such as disappear, perforated, patch, and cracked so that inhibiting function road. The research aims to determine the type …
ABSTRACT In the construction of structure, concrete is the common material used nowadays. The easily content to get and have the high compressive strength make concrete have the plus one than the other material. While to time flies, concrete have much technology in the quality improvement. High strength concrete based on SNI-03-6468-2000 is the concrete that have high compressive above or sa…