With the introduction of the early maturing and high yielding nerica varieties, upland rice production will rise further. Introduction rice is becoming increasingly important for food security in a number of lowincome, fooddeficit. Rice soil system favors fertility maintenance and builds up of soil om, and is the backbone of longterm sustainability of the highland or lowland rice systems. Effect of cowpea residue incorporation and nitrogen. Anago and others published inorganic fertilizer adoption, use intensity and rainfed rice yield in benin find, read and cite all the research you need on researchgate. Growth and yield responses of nerica rice varieties to different. Organic and mineral fertilizers influenced rice yield differently, through differential effects on yield components such as the number of panicles per hill, number of grains per panicle, and grain weight. Urea can contain varying amounts of biuret, an impurity that can be. Nerica 3 was used as an indicator crop and planted in rows. Danso inorganic fertilizers have become the pillars supporting a burgeoning world population.
Upland rice production has now spread to nontraditional rice districts of wakiso, mukono, luwero. However, their interactive effects on nutrient availability and. Pdf response of nerica rice to nitrogen fertilization. The breakdown of the plant nutrients is provided as a percentage, which you will commonly see displayed as 121010, 1664 or 101010, for example, on inorganic fertilizer bags or containers. Informed sitespecific fertilizer recommendation for upland. The objective of this paper is to highlight on the effects of complementary applications of organic and inorganic fertilizer on the production of maize in nigeria.
Combined use of organic and inorganic fertilizers can improve rice. Agronomic performance of integrated use of organic and. Effect of organic and inorganic fertilizer on the growth and yield of rice oryza sativa l. The effect of fertilizer application significantly influenced the nutrient composition of jute leaf number, yield performance, plant height, and stem diameter. Zero organic manure and inorganic fertilizer control.
Influence of inorganic and organic nutrient sources on. Inorganic fertilizer adoption, use intensity and rainfed. All fertilizers supply plants with the nutrients your garden needs to be in tiptop shape. Rocariz was instrumental in the development of the nerica rice varieties for africa when its members took nerica rice varieties for africa when its members took rice varieties for africa when its members took an active part in the crossing of oryza glaberrima o sativa and also participated in the onfarm testing and release of the new varieties. Nerica are interspecific rice varieties from crossing between the highyielding asian rice oryza sativa spp. A decade has passed since nerica new rice for africa. The fertilizer proved to be the best source of n for the first crop i. Innovation and partnerships to realize africas rice potential 2.
Nutrient recommendations were tailored to locationspecific needs, evaluated together with rice farmers, and promoted through public and private partnerships on a wide scale. Top green jigme 1, nipon jayamangkala 1, pathipan sutigoolabud 2, jirapon inthasan 2 and siriwat sakhonwasee 1 1 department of horticulture, faculty of agriculture production, maejo. Agronomy journal abstract rice responses of upland nerica rice to nitrogen and phosphorus in forest agroecosystems view my binders. Introduction consistent utilization of inorganic fertilizer with dearth of technical application expertise among rice farmers in developing countries including nigeria constitutes soil nutrient imbalance and environmental pollution. Kelly this paper provides a comprehensive overview of the current state of knowledge about the factors affecting farmlevel demand for fertilizer in subsaharan africa. A cashew tree bearing 24 kg nuts and 155 kg apples removes annually 2. Participatory onfarm research at marakwet district in kenya daniel mwangangi kinyumu graduate school of life and environmental sciences, university of tsukuba, tsukuba, ibaraki 3058572, japan. Weeds, pests, soil nutrient deficiencies and terminal moisture stress are the major causes of low rice productivity in ethiopia. Pdf inorganic fertilizer adoption, use intensity and.
Proper fertilizer management is needed to overcome the problem of phosphorus deficiency in acid soils which is a major constraint in rice production. Nerica 1 rice variety was planted and bunds were created to avoid spill over of runoff water between experimental units. Knowledge on phosphorus p fractions is vital in understanding the p bioavailability. They are widely believed to offer hope for africas green revolution because of their ability to grow under multiple stresses as well as their high response rate to inorganic fertilizers and other inputs. Soil oc, ph, n, k and ca were decreased while the soil p, mg and s were increased from. Comparative study of the effects of organic and inorganic fertilizer on nutritional composition of amaranthus spinosus l. Although artificial fertilization clearly contributes to the monopolization of primary production by agriculture, it also increases the global.
Effect of compost and inorganic nitrogen fertilizer on nutrient uptake, growth and grain yield of nerica rice. The treatments were three rice varieties nerica 1, nerica 2, and ofada and. There was a positive correlation between fertilizer application, crop yield and nutrient composition of jute mallow. With population doubling during the lifetime of each of us, a tremendous strain has been put on the ability of agriculture to feed mankind. Combine organic and inorganic fertilizer to increase yield. Japonica with locally adapted african rice oryza glaberrima. The case of upland rice farmers in namulonge, central uganda. Rice fertilizer use, kgha paddy yield, kgha yield increase net benefit. Rice yield responses to balanced fertilization in the 1990s in china. Responses of upland nerica rice to nitrogen and phosphorus.
Pdf effect of organic and inorganic fertilizers on the. When organic fertilizer is financially attractive, the most effective way to supply a balanced amount of n, p, and k exactly matching the needs of the rice crop for each nutrient is to include the use of some synthetic manufactured fertilizer. Interactive effects of organic and inorganic fertilizers. Usually the recommended fertilization method is to combine organic manures with inorganic nutrient sources as needed. Verification of integrated soil fertility management and. Thus, organic residue recycling is becoming an increasingly important aspect of environmentally.
Ecological intensification and diversification of ricebased systems ezui et al sitespecific fertilizer recommendations second africa rice congress, bamako, mali, 2226 march 2010. Factors affecting demand for fertilizer in subsaharan africa. Most smallholder upland rice farmers do rarely use inorganic fertilizers andor manure. A 4x3 factorial experiment consisting of four levels of inorganic fertilizers 0, 25, 50 and 75 kgha and three levels of fym 0, 6 and 9 tha was laid out in rcb design with three replications. Rice consumption has been growing much more rapidly than production at an average rate of 11 percent per year since kenyas independence in. Verification of integrated soil fertility management and weed. The nerica varieties are modern rice varieties developed by africarice which won its creator monty jones the 2004 world food prize. Growth, nutrient uptake efficiency and yield of upland. Urea can contain varying amounts of biuret, an impurity that can be phytotoxic. The treatments included chemical fertilizer, organic fertilizer farmyard. Pdf effect of organic and inorganic fertilizer on the. Rice husk rh is an abundant agricultural solid waste as a result of rice milling process.
Remove all rice plants that clearly look different at around flowering differing in height, plant color, flowering time, panicle type, grain shape. Appropriate fertilizer application is an important management practice to improve soil fertility and production of rice. Effect of organic, inorganic fertilizers on rice quality. Influence of nitrogen and phosphorus fertilizer application. Radiation and agriculture rational use of fertilizer by j. In order to identify the factors determining inorganic fertilizer technology adoption and rainfed rice yield, a survey was carried out among 763 farmers in 11 municipalities in four agriculture development centers adc of benin. We compare whether applying organic fertilizer is more beneficial. Growth and yield responses of nerica rice varieties to. Seeds were directly sown in 2 m x 5 m plots at a depth of 23 cm and a spacing of 30 em x 1. Nerica rice, mycorrhiza, nutritional properties, mineral contents, chemical fertilizer 1. Pdf the benefits of organic fertilizer application. Comparative study on the growth and yield of nerica cultivated with organic and inorganic fertilizers.
Agronomy journal abstract rice responses of upland. Calculation of optimum nitrogen fertilizer dose for nerica rice. It belongs to the family of graminaceae, the botanical genus oryza, and comprises a total of 23 species of which only two are cultivated. The combined use of organic and inorganic fertilizers for. This has caused decline in rice production over the years. The treatments included chemical fertilizer, organic fertilizer farmyard manure, and. Inorganic fertiliser an overview sciencedirect topics. Effects of nitrogen sources and application time on yield. Application of organic fertilizers in melon production is a matter of great concern due to the fact that compost, produced under deficient conditions or recontaminated with human pathogens as a consequence of incorrect handling, can present a high risk of biological contamination during production. Farmers should use onfarm, lowcost organic materials or manure to supply at least a portion of the crops required nutrients and improve soil fertility. Nerica, compost, poor soil, dry matter, nutrient uptake efficiency 1. Organic fertilizers create a healthy environment for the soil over a long period of time, while inorganic fertilizers work much more quickly. Jun 18, 2007 agronomy journal abstract rice responses of upland nerica rice to nitrogen and phosphorus in forest agroecosystems.
Influence of phosphorous and nitrogen fertilizer rate on. If the inline pdf is not rendering correctly, you can download the pdf file here. Water and fertilizer management are essential to achieve high yield potential in irrigated rice soils. Nitrogen fertilizer application timing on growth and yield of nerica 4 and japanese rice variety toyohatamochi tsedalu jemberu1, masaaki togashi2, hisashi urayama2 1gondar agricultural research center, p. Methods of fertilizer application pdf cromalinsupport. In the present investigation effect of the organic and the inorganic fertilizers on the growth and nutrient status of a. The effect of organic fertilizers on growth and yield of. Sharma3, tareke berhe3 1gambella regional agricultural research institute, p.
Also remove sick and insect damaged plantspanicles. Effects of nitrogen sources and application time on yield attributes, yield and grain protein of rainfed nerica 3 rice in gambella, ethiopia shiferaw nesgea1, heluf gebrekidan2, j. Agronomy journal abstract rice responses of upland nerica. Rice agronomy plays a great role in increasing and sustaining rice production and productivity. On the other hand, jensen 2006 suggested that all sourcesforms of n fertilizer can perform equally. Preface this publication builds on the work of many individuals within and outside the africa rice center warda.
This study aimed to test the effect of the different organic fertilizer and combinations of organic and inorganic fertilizers on the qualitative and quantitative parameters of two cultivars of rice as drr dhan 39 and rp. Analysis of incentives and disincentives for rice in kenya. Influence of inorganic and organic nutrient sources on soil. Comparative study on the growth and yield of nerica. Pdf nitrogen fertilizer losses from rice soils and. The effect of organic fertilizers on growth and yield of broccoli brassica oleracea l.
Pdf downloads current agriculture research journal. Organic n sources available on farm such as farmyard manure and compost can be effective and financially attractive in partially meeting the n requirement of rice. Grain qualities and their genetic derivation of 7 new rice. Review of rice response to fertilizer rates and time of. The use of organic and inorganic fertilizers budgeting money. This article reports comparitive performance of different organic and inorganic sources of n for wheat and rice rotation. Effect of organic and inorganic fertilizer on the physicochemical. Inorganic fertiliser source at recommended rate recorded.
Use of an early maturing soybean variety boshe with the lowest rates of organic and inorganic fertilizers gave signi. Soil fertility and nerica rice nutrition africarice. Although nutrient source plays an important role in crop quality, there is little information available on how rice quality is affected by different organic composts. Growth, nutrient uptake efficiency and yield of upland rice. Inorganic fertiliser source at recommended rate recorded significantly p. Pdf growth and yield responses of nerica rice varieties to. Changes in some nutritional and mineral components of. Effect of organic and inorganic fertilizers on the. Poor soil fertility is among the major factors limiting the rice production. Another advantage that inorganic fertilizers offer is the precise content of nutrients is guaranteed by law.
Historically, rice is a cash crop for rural producers. Effect of different fertilizers bio, organic and inorganic. Nerica varieties have improved african rice production in many countries. Nov 07, 2016 rice is one of the worlds most consumed cereal crop. Therefore, it is important to evaluate the effects of different rates of n and p fertilizers on yield of rice.
Phosphorus dynamics and rice yield response to different. Can we identify rice varieties nerica and oryza sativa that are more efficient in the. Booker tropical soil manual, a handbook for soil survey and. Poultry manure, inorganic fertilizer urea, plant height, tiller count, number of panicles, 100grain weight, grain yield. Topdressing of rice with n fertilizer is oft en based on the. Application of em gave a positive increase in all of the studied parameters. The effect of inorganic, organic fertilizers and their combinations under different irrigation intervals on yield and its attributes of. Due mainly to its relatively recent history of cultivation in ethiopia, the scientific information available with regards to the response of rice to n and p sources of fertilizers for its production is very limited. The coapplication of biochar and inorganic n fertilizer has been shown to be a sustainable and environmental friendly technology for the improvement of soil fertility and crop yield. Interactive effects of organic and inorganic fertilizers on. Keywords cowpea residue, nitrogen rates, rice, yield components and yield of rice.
A relatively more important fixed capital is manual knapsack type chemical sprayers. Currently, annual area under rice production is increasing by 6,500 ha maaif and ubos, 2005. Biotransformation of rice husk into organic fertilizer. To evaluate the effect of organic manure application with chemical fertilizers on rice yield and soil fertility under longterm double rice cropping system, a six year field experiment was conducted continually in the paddy soil derived from quaternary red clay in hunan province of southern china. Organic fertilizer an overview sciencedirect topics. A practical guide to nutrient management published in. Drought is the major abiotic constraint on upland rice. Please view the pdf by using the full text pdf link under view to the left. Inorganic nitrogen leaching from organic and conventional. Four levels of organic manure plus inorganic fertilizers. Comparison of n utilization and loss from organic and conventional rice production.
It is a staple food for many asian, african, latin american and caribbean countries. Effect of nitrogen application on the expression of droughtinduced. The major focuses of the experiments include inorganic fertilizers application rates, application times and their integration with organic fertilizers. Abstract two field studies were conducted to investigate growth and yield.
Abstractthis study evaluated the effect of three n fertilization levels 60. Furthermore, farmers are arguing that the price of the inorganic fertilizers is getting up. Effect of organic, inorganic fertilizers on rice quality background and methodology. So, use of organic manures combine with inorganic fertilizers are followed to obtain optimum yields. Three varieties namely, kosti 1, omgar, and nerica 4 were used. Inorganic fertilizers are alternative ways of providing the necessary nutrients to rice crop and increase its productivity.
Potassium requirements and fertilization of rice and. To achieve high yield rice production, rational input of inorganic fertilizers is a key management practice. However, organic and inorganic fertilizers supply nutrients to soil in different ways. Effects of n and p fertilizer application rates on yield. Combined effect of organic manures and inorganic fertilizers. Each plot measured 3 m x 4 m with 2 m and 1 m between replications and plots respectively. New rice for africa nerica is a cultivar group of interspecific hybrid rice developed by the africa rice center africarice to improve the yield of african rice cultivars. Although 240 million people in west africa rely on rice as the primary source of food energy and protein in their diet, the majority of this rice is imported, at a cost and aid economic development in west africa.
Effect of organic and inorganic fertilizers on the quantitative and qualitative parameters of rice oriza sativa l. Combined use of organic and inorganic fertilizers can improve rice productivity and sustain soil health and fertility. A participatory field study was conducted in tunyo division, marakwet district, kenya, to investigate whether there would be a significant response of new rice for africa nerica cultivars 1 and 4 to farmyard manure and chemical fertilizers. The present study investigated the potential of converting rh amended with market refused fruit market refused banana b, honeydew h or papaya p into vermicompost using eudrilus eugeniae. Therefore, the objective of the study was to determine the optimum of rate n and p fertilizer for upland rice nerica 4 in the area in terms of yield increase and economic return and for evaluate the effects of applied n and p fertilizer rates on yield and yield components of upland rice nerica 4 variety under nitosol condition. Inorganic fertilizer input is one of the main components of ai firbank et al. Effect of compost and inorganic nitrogen fertilizer on nutrient. Radiation and agriculture rational use of fertilizer. Inorganic fertilizer is the common source of supplemental n, and it is typically more profitable for farmers than purchased organic n fertilizers.
Effect of compost and inorganic nitrogen fertilizer on. This paper examine the benefits of applying the organic fertilizer on the rice paddy. Verification of integrated soil fertility management and weed interference in nerica rice in the guinea savanna uplands 1276 downloads biology of mahanadi mahseer, tor mosal. Factors affecting demand for fertilizer in subsaharan africa valerie a.
Tivy, 1990 with a number of potential direct and indirect effects on biodiversity robinson and sutherland, 2002. Effects of organic manure application with chemical. Potassium requirements and fertilization of rice and irrigated soybeans. Nitrogen fertilizer application timing on growth and yield. Rice is the third most important staple food in kenya after maize and wheat. All the levels improved the soil chemical properties than the inorganic fertilizer and 0 t ha1. Participatory onfarm research at marakwet district in kenya. Comparative study of the effects of organic and inorganic. Most crops can tolerate biuret levels of 2% or less. The most promising legume was selected, grown and incorporated insitu along with varying levels of inorganic nitrogen fertilizer.
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