Results 81 to 90 of about 35,719 (310)

Growth and Performance of Baby Spinach (Spinacia oleracea L.) Grown under Different Organic Fertilizers

International Journal of Agronomy, 2020
Spinacia oleracea L. (baby spinach) is a relatively new leaf vegetable crop in Zimbabwe, so the agronomic performance is unknown. A 3-year field experiment was done at the Seke Teachers College research farm, Zimbabwe. The research evaluated the response
C. Parwada, V. Chigiya, W. Ngezimana, J. Chipomho   +3 more
doaj   +1 more source

Activity theoretical view on crop rotation planning in organic vegetable farming [PDF]

, 2000
Crop rotation is an essential basis of an organic farming system. An activity theoretical concept of object shall be used in examining planning processes of crop rotations.
Seppänen, Laura
core  

Towards Water, Food and Energy Security: The Global Challenges and Possible Solutions for a Holistic Vision of Sustainability

Irrigation and Drainage, EarlyView.
ABSTRACT This invited paper gives an overview of the challenges the world is facing and offers a possible solution for water and food security within the holistic integrated concept of the water–energy–food (WEF) nexus. The paper summarizes the experience the author gained through working on various research projects at national and international ...
Ragab Ragab
wiley   +1 more source

Organic Soil Management: Impacts on Yields, Soil Quality and Economics [PDF]

, 2007
Understanding organic management practices is a key in developing sustainable organic farming systems. We report the results of four different organic fertilization strategies in a field trial on yields, soil quality and economic performance.
Koopmans, C.J., Zanen, M.
core  

Root growth and soil nitrogen depletion by onion, lettuce, early cabbage and carrot [PDF]

, 2001
Experiments examining root growth, the utilization of N and the effect of green manures were carried out on four vegetable crops. Large differences were observed both in rooting depth penetration rates, and in final rooting depth and distribution.
Thorup-Kristensen, K.
core   +1 more source

Human Health Risk Assessment From Exposure to Toxic Metals in Soils and Leafy Vegetables in Smallholder Farms of Northeastern Brazil

Journal of Applied Toxicology, EarlyView.
ABSTRACT This study assessed human health risks associated with exposure to potentially toxic metals (PTMs) in soils and leafy vegetables cultivated in smallholder agricultural systems in Northeastern Brazil. Soil and vegetable samples were collected from 18 agricultural areas and analyzed for cadmium (Cd), chromium (Cr), copper (Cu), iron (Fe), nickel
Fernando Ferreira da Cunha Filho, Alex Souza Moraes, João Paulo Siqueira da Silva, Edvane Borges da Silva, Ademir Amaral, André Maciel Netto   +5 more
wiley   +1 more source

Towards a breakthrough in nutrient recycling : State-of-the-art and recommendations for developing policy instruments in Finland [PDF]

, 2018
The report has been complemented on 11.9.2018This report describes the state-of-the-art in phosphorus and nitrogen recycling in Finland and looks at basic data on the volumes and geographical distribution of biomasses and their nutrients.
Grönroos, Juha, Iho, Antti, Kauppila, Jussi, Koikkalainen, Kauko, Koskiaho, Jari, Laine-Ylijoki, Jutta, Lantto, Raija, Lehtonen, Eeva, Luostarinen, Sari, Marttinen, Sanna, Oasmaa, Anja, Rasa, Kimmo, Sarvi, Minna, Tampio, Elina, Turtola, Eila, Valve, Helena, Venelampi, Olli, Ylivainio, Kari, zu Castell-Rüdenhausen, Malin   +18 more
core  

REDUCTION OF LEAKAGE FROM ORGANIC MANURE

Environment. Technology. Resources. Proceedings of the International Scientific and Practical Conference, 2001
Environmental problems of leakage minimisation from solid manure handling in Latvia are discussed. Volume and composition of leakage from solid manure are investigated in storage period. Amount of plant nutrients in effluents are measured 0,099 kg nitrogen, 0,029 kg phosphorus and 0,381 kg potassium per tonne manure in 14-day period of accumulation and
openaire   +4 more sources

Selecting Promising Soil Quality Indicators for Monitoring Soil Management Effects Based on 10 European Long‐Term Field Experiments

Journal of Plant Nutrition and Soil Science, EarlyView.
ABSTRACT Background: Soil quality can be measured through soil quality indicators that reflect soil processes. Aim: The aim of this study was to (1) identify a limited set of soil quality indicators that are most sensitive to agricultural soil management and that are widely applicable regardless of pedo‐climatic conditions, and (2) link common ...
Giulia Bongiorno, Marie Wesselink, Wim van den Berg, Zhanguo Bai, Ron de Goede, Carla Sofia Santos Ferreira, Luuk Fleskens, Matjaz Glavan, Wiepie Haagsma, Paul Mäder, Alicia Morugan‐Coronado, Harry Verstegen, Zoltan Toth, Wijnand Sukkel, Else K. Bünemann   +14 more
wiley   +1 more source

Effects of some new organic manures on yield, quality and N use efficiency of green soybean

浙江大学学报. 农业与生命科学版, 2008
Field experiment was carried out to study the effects of KEON (organic N extracted with KCI) and PEON (organic N extracted with phosphate buffer) from 4 kinds of organic wastes on the growth and N use efficiency of green soybean.
YE Jing, Ho Ando, FU Jian-rong, Yuka Sasaki, Ken-ichi Kakuda   +4 more
doaj   +1 more source