Utilization of manure and green organic composts as alternative fertilizers for cauliflower production

Abstract

M. Simarmata, L. Susanti and N. Setyowati (2016). Utilization of manure and green organic composts as alternative fertilizers for cauliflower production. Journal of Agricultural Technology 12(2):311-319.Cauliflower (Brassica oleraceavar. botrytis) is a vegetablecrop which isgrown over the world. Cultural practices of vegetables production are always dealing with fertilization technologies either using mineral fertilizers, organic fertilizers, or a combination of mineral and organic fertilizers. This study was aimed to determine the effect of reduced the dose of mineral fertilizers and substituted by organic fertilizers from compost ofcow manure and compost of trailing-daisy weeds (Wedelia trilobata).A single factorevaluated was arranged in a completely randomized design (CRD) as follows: treatment of a mineral fertilizer with nitrogen, phosphate, and potassium applied at10, 20 and 30 days after planting at arecommended dose (T 1 ), compost of trailing-daisy weedsat 20 ton ha -1 (T 2 ), compost of cow manure at 20 ton ha -1 (T 3 ), 50% of T 1 + compost of trailing-daisy weedsat 20 ton ha -1 (T 4 ), 50% of T 1 + compost of trailing-daisy weedsat 10 ton ha -1 (T 5 ), 50% of T 1 + compost of cow manure at20 ton ha -1 (T 6 ), 50% of T 1 + compost of cow manure of 10 ton ha -1 (T 7 ), and without fertilizer as a control (T 0 ). Each treatment was repeated five times so that overall there were 40 plantsin40 polybags. The results showed that thefertilizer combinationswere significantly affectedplant height, shoot fresh weight, dry weight of total plant biomass,and curd yield of cauliflower. The highest plant height and shoot fresh weight were observed in the treatment of 50% of mineral fertilizers combined with compost of trailing-daisy weeds at 10 ton ha -1 (T 5 ), the highest of total dry weight of plants were observed in the treatment of cow manure compost (T 3 ), and the highest curd yield of cauliflowerswas observed inthe treatment of 50% of mineral fertilizers combined with cow manure compostat 20 ton ha -1 (T 6 ). In conclusion, organic fertilizers from compost of trailing-daisy weeds (Wedelia trilobata) and from cowmanure can be used as an alternative fertilizer to substitutemineral fertilizers on the cauliflower production.

Untitled

“…In general the highest weed density and dry weight were recorded in cattle manure treatment. These results support Sary et al (2009); Monaco et al (2002); Simarmata et al (2016) who observed that the use of manure can enhance the growth of weeds because some weed seeds remain viable in the manure, such as seeds from Cyperaceae and Poaceae families. This domination is more important at early stage as suggested by Chowdhury et al (2014) who showed that grasses and sedges were most dominating weed species during the early stages and broadleaf weeds during later stages.…”

“…In this context, it becomes necessary to promote sustainable and accessible farming fertilization economically viable and environmentally acceptable such as organic fertilization. However, several studies including Sary et al (2009); Monaco et al (2002); and Simarmata et al (2016) reported the benefits of organic fertilization on weed diversity and growth. In tropics, weeds are a major biological constraint that limits 10-56 percent of agricultural production (Koch, 1982;Le Bourgeois and Marnotte, 2002).…”

Identification of Nutrient Contents in Six Potential Green Biomasses for Developing Liquid Organic Fertilizer in Closed Agricultural Production System

“…The source of green biomass should be a combination of several green biomasses in order to produce liquid organic fertilizer with high N, P, K, Ca, and Mg content. In addition, it also important to mixture the green biomasses with other natural composting material, such as poor soil [36], wood ash [37], cow manure [12], [13], [14], [38] in order to increase composting rates, nutrient quality and crop yields. The use of a single green biomass for liquid organic fertilizer might provide high particular nutrient content, but low in other nutrients.…”

PENGARUH KOMBINASI DOSIS KOMPOS GULMA DAN PUPUK SINTETIK TERHADAP PERTUMBUHAN DAN HASIL TANAMAN TOMAT (Lycopersicum esculentum Mill.)

“…Hasil penelitian Simatupang et al (2002) menunjukkan, pemberian kompos gulma meningkatkan hasil sejalan dengan meningkatnya dosis kompos gulma yang diberikan. Di samping itu, penggunaan pupuk organik juga dapat memperbaiki kualitas tanah (Muktamar et al, 2016 b ) serta dapat mengurangi penggunaan pupuk sintetik (Setyowati et al, 2015;Simarmata et al, 2016). Penelitian ini bertujuan untuk menjelaskan pengaruh pupuk sintetik, kompos rumput maupun kombinasi keduanya terhadap pertumbuhan dan hasil tanaman tomat.…”