OALib Journal
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Sep 27, 2021Open    AccessArticle

Yield and Quality of Rainfed Cotton (Gossypium hirsutum L.) in Response to Nitrogen Rates under Different Plant Available Water Capacity Sites in Central Dry Zone of Myanmar

Thu Zar Win, Kyaw Ngwe, Swe Swe Mar, Aye Aye Khaing
The aim of this research was to explore the optimum nitrogen (N) fertilizer rate for yield and quality of rainfed cotton under respective PAWC. A two-year field experiment was conducted in 2019 and 2020 during post-monsoon season at two sites, Pawaingyoe and Kokkokhahla, having different PAWC. Each year at both sites, six levels of N rate (T1 = 0, T2 = 60, T3 = 90, T4 = 120, T5 = 150 and T6 = 180 kg N ha-1) were laid out in randomized complete block design with four replications and c...
Open Access Library J. Vol.8, 2021
Doi:10.4236/oalib.1107891


Aug 27, 2021Open    AccessArticle

Soil Organic Matter and Nitrogen Content as Related to Coconut Nutrition in Guerrero, Mexico

Jorge H. Ramírez-Silva, Matilde Cortazar-Ríos, Genovevo Ramírez-Jaramillo, Carlos M. Oropeza-Salín, Dinosca D. Rondón-Rivera
The state of Guerrero in Mexico is the main coconut copra producer with 84,881 hectares and employing more than one million wages annually. However, the production is facing very important and continuous losses due to aging of palms and a lack of technological options to enhance productivity. Farmer’s soils are linked to important problems of low fertility; and the studies to understand the relationship between soil nutrients supply and coconut nutrition are practically unknown. Considering the ...
Open Access Library J. Vol.8, 2021
Doi:10.4236/oalib.1107727


Jul 12, 2021Open    AccessArticle

Research on the Utilization Efficiency of Nitrogen by Winter Wheat under Different Water and Fertilizer Regulation and Cultivation Modes

Jinbo Zhao, Ming Chen, Jinghua Zhou
Since 2016 China liberalized its third-child policy, which resulted in an increase of millions of people every year and therefore China must ensure annual output increases. The utilization efficiency of water and fertilizer is one of the most important keys to mitigating the food crisis. Artificial intelligence technology will be the development of Chinese agriculture. However, the physical and chemical properties of soil, the selection of seeds, the characteristics of different crops, the propo...
Open Access Library J. Vol.8, 2021
Doi:10.4236/oalib.1107057


Jun 23, 2021Open    AccessArticle

Value-Added Distribution among Stakeholders Tea Value Chain: A Case Study in Thai Nguyen Province, Viet Nam

Tran Thi Quy Chinh, Tran Cuong, Cu Ngoc Bac, Jiancheng Chen
The article analyzed the added value received by the actors in the Thai Nguyen tea value chain based on the economic chain analysis method including calculation of input costs, added costs, added value, net added value, total profit and total income of each actor and of the entire chain. The results show that the distribution of value added and net added value among actors is uneven, in which farmers receive the largest net value and value added in the chain, but it is the largest effect in the ...
Open Access Library J. Vol.8, 2021
Doi:10.4236/oalib.1107508


May 14, 2021Open    AccessArticle

Improved Groundnut Performance under Natural Field Leaf Spot and Rosette Mosaic Virus Infections in the South Western Agro-Ecological Zone of Uganda

Peace Kankwatsa, Laban Turyagyenda, Maggiore Kyomugisha, K. D. Okello
For farmers to satisfy the food, nutrition and income demands on groundnut in the South Western Agro-Ecological Zone (SWAEZ), the accessibility, and adaptability of economically viable and high performing varietal and non-varietal technologies must increase to enhance production. Field experiments to evaluate the agronomic performance of advanced lines of improved nine AGRA red, nine Spanish and six Serenut varieties were concurrently carried out on-station at the Mbarara Zonal Agricultural Rese...
Open Access Library J. Vol.8, 2021
Doi:10.4236/oalib.1107200


Apr 16, 2021Open    AccessArticle

Productive Potential of Precious Wood Species in the State of Chiapas, Mexico

Genovevo Ramírez-Jaramillo, Mónica Guadalupe Lozano-Contreras, Jorge H. Ramírez-Silva
In order to promote forest plantations in Mexico, the federal government has implemented, since 1977, programs such as the Commercial Forest Plantations Development Program (PRODEPLAN) and in 2000 launched the Strategic Forest Program for Mexico 2025. In spite of these initiatives, nowadays there are new programs (The Sembrando Vida Program) recording a critical deforestation rate of 115 thousand hectares per year and a population decrease of forest species which are endemics for Mexico and Cent...
Open Access Library J. Vol.8, 2021
Doi:10.4236/oalib.1107299


Dec 10, 2020Open    AccessArticle

Factors Affecting to Tea-Growing Household’s Financial Efficiency: A Case Study from Thai Nguyen Province

Tran Thi Quy Chinh, Tran Cuong, Jiancheng Chen
Due to one of the major tea-producing regions of the country, the quality and brand have been affirmed, Thai Nguyen province has identified tea as the main crop to develop local economy as well as improve farm households income. The main objective of this study is analyzing the financial efficiency of tea farmers in Thai Nguyen province through the data collected from 210 households. The results indicated that the financial efficiency of tea cultivation is quite high with the rate of return on t...
Open Access Library J. Vol.7, 2020
Doi:10.4236/oalib.1106969


Oct 20, 2020Open    AccessArticle

Effect of Water and Fertilizer Regulation on the Soil Available P Content in Winter Wheat at West Lake Plain and Baiyang Lake in China

Jinbo Zhao, Ming Chen, Jiawei Li, Jinghua Zhou
Water and nutrients are the basic requirements for crop growth, which are mutually interacting and restricted. This paper studied winter wheat (wheat breed: Ji wheat 22) on changes in soil nutrient leaching in the regulation measures of water and fertilizer (two irrigation methods: traditional irrigation (A) and water-saving irrigation (B); three fertilization factors: no fertilization (CK), traditional fertilization (FC) and optimized fertilization (FO)). The results showed that under the diffe...
Open Access Library J. Vol.7, 2020
Doi:10.4236/oalib.1106774


Jun 10, 2020Open    AccessArticle

Agroclimatic Conditions for Growing Sorghum bicolor L. Moench, under Irrigation Conditions in Mexico

Genovevo Ramírez-Jaramillo, Mónica Guadalupe Lozano-Contreras, Jorge H. Ramírez-Silva
Faced with the possible depletion of fossil fuels and the growing demand for energy; the liquid biofuels are being considered as a renewable energy alternative with low impact on carbon emissions. Sweet sorghum (Sorghum bicolor (L) Moench) is a good alternative as it has several advantages in relation to other plant species. Given the interest of the Mexican Government to promote biofuels and S. bicolor in particular, this work aimed to spatially delimit the optimal and suboptimal areas to produ...
Open Access Library J. Vol.7, 2020
Doi:10.4236/oalib.1106423


May 20, 2020Open    AccessArticle

Lettuce (Lactuca sativa L.) Production in Republic of Congo Using Hydroponic System

Romeo Ekoungoulou, Espoire Brice Rahmat Mouendo Mikouendanandi
Hydroponic is a subset of hydroculture, which is a method of growing plants without soil by instead using mineral nutrient solutions in a water solvent. The study aimed to assess the behavior of Minetto and Blonde de Paris varieties of Lettuce (Lactuca sativa L.) in hydroculture. The experiments tanks have been installed in Talanga? Micro-garden site, located in Kimbanguiste Church at Brazzaville. The lettuce seeds were sown in a nursery tank, and then transplanted into 4 hydroponic production t...
Open Access Library J. Vol.7, 2020
Doi:10.4236/oalib.1106339


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