THE STUDY OF MACRONUTRIE CONTENT OF COMPOST : A CASE STUDY OF FERMENTATION IN WOOD BASKETS

Abstract

The objectives of this research were 1) to study the macronutrient content of compost with different watering and 2) to study the main nutrient content of the compost by composting on the ground and in the soil. By composting in bamboo baskets, height : 36 cm., diameter : 40 cm, with 8 kg of dry leaf waste in each basket, a total of 3 sets of experiments were carried out in baskets 1, 3, 5, fermentation experiments were placed on the soil, and baskets 2, 4, 6 were composted in the soil, which the 1st and 2nd races were sprinkled with tap water, the 3rd and 4th baskets were sprinkled with tap water mixed with PD 1, the 5th and 500 ml, the 6th baskets were sprinkled with tap water mixed with molasses, watering once a week. It Took 90 days to ferment. Nitrogen, Phosphorus and Potassium content were analyzed. The results showed that the first batch of compost, the first basket was placed on the soil and the second basket was placed in the soil, sprinkled with tap water. The mean nitrogen content was 0.40±0.02 and 0.30±0.02 by weight. Phosphorus was 0.10±0.01 by weight and 0.10±0.01 by weight. The average Potassium content was 0.10±0.01 and 0.00±0.06 by weight. The 2nd batch of compost, the 3rd basket was placed on the soil and the 4th basket was placed in the soil and sprinkled with tap water mixed with PD.1. The average Nitrogen content was 0.80±0.01 and 0.60±0.02 by weight, the average Phosphorus content was 0.20±0.01 and 0.10±0.01 by weight, and the Potassium content was 0.10±0.01 and 0.00±0.06 by weight. The 5^th, basket war placed on the soil and the 6th basket was placed in the soil, watered with tap The 3^rd batch of comport water mixed with molasses. The average Nitrogen content was 0.60±0.02 and 0.10±0.01 by weight. Phosphorus avenge was mean 0.10±0.00 and 0.10±0.01 by weight, Potassium content was 0.20±0.02 and 0.10±0.01 by weight. organic fertilizer standard (Department of Agriculture, 2012) must contain and it war found that Nitrogen content of not less than 1.0% by weight, Phosphorus and Potassium content, war not less than 0.5% by weight.