Manejo de Suelos - Fertilización, Compostado, Nutrición vegetal

Herbicide Carryover in Hay, Manure, Compost, and Grass Clippings

Many farmers and home gardeners have reported damage to vegetable and flower crops after applying horse or livestock manure, compost, hay, or grass clippings to the soil. The symptoms reported include poor seed germination; death of young plants; twisted, cupped, and elongated leaves; misshapen...
Jeanine Davis
Sue Ellen Johnson
Katie Jennings
North Carolina Cooperative Extension

Using Organic Fertilizers

Sustainability of agriculture has become a major global concern since the 1980s. Soil organic matter is very important in the functions of soil inasmuch as it is a good indicator of soil quality because it mediates many of the chemical, physical, and biological processes controlling the capacity...
Ren-Shih Chong
Food & Fertilizer Technology Center

Growth and yield of grafted cucumbers in soil infested with root-knot nematodes

The aim of this study was to determine the effect of rootstocks on the growth and yield of cucumber (Cucumis sativus L.) plants in soils infested with root-knot nematodes (Meloidogyne spp.) Cucumber ‘Adrian’ was grown with its own roots or was grafted onto three rootstocks of Lagenaria...
Smiljana Goreta Ban
Katja Žanić
Gvozden Dumičić
Emilija Raspudić
Gabriela Vuletin Selak
Dean Ban
Chilean Journal of agricultural Research

Crop Rotation on Organic Farms: A Planning Manual

Crop rotation is a critical feature of all organic cropping systems because it provides the principal mechanism for building healthy soils, a major way to control pests, and a variety of other benefits. Crop rotation means changing the type of crop grown on a particular piece of land from year to...
Charles L. Mohler
Sue Ellen Johnson
Jody Bolluyt
Peter Lowy
Margaret Tuttle McGrath
Anusuya Rangarajan
Kimberly A. Stoner
Eric Toensmeier
Harold van Es
Natural Resource, Agriculture, and Engineering Service (NRAES)

Effects of seven different mycorrhizal inoculum in Persea americana in sterile and non-sterile soil

Some mycorrhizal fungal species could have certain compatibility and efficiency in the development of the host. Recently, avocado producers became interested in the use of arbuscular mycorrhizal fungi (AMF) for the production of plants in nurseries; therefore, it is important to revise the...
Jacob Bañuelos,
Dora Trejo
Liliana Lara
Mayra Gavito
Yazmín Carreón
Gustavo Ortíz
Tropical and Subtropical Agroecosystems

Impact of soil fertility management practices on a major insect pest infestation and yield of beans (phaseolus vulgaris L.) in Taita district, Kenya

The common bean is an important food and cash crop in Eastern, Central and Southern Africa. It provides food for more than 100 million people and is a critical source of income for rural households. Common bean yields, however, have declined in the last ten years. This decline is the result of...
W.N. Ochilo
G.H. Nyamasyo
J.H. Nderitu
African Journal of Food, Agriculture, Nutrition and Development

Management of Composting

Proper and regular additions of on-farm organic wastes such as animal manure and crop residues are of utmost importance in maintaining the tilth, fertility, and productivity of agricultural soils; in protecting them from wind and water erosion; and in preventing nutrient losses through runoff and...
Shang-Shyng Yang
Food & Fertilizer Technology Center

Critical Nutrient Levels for Almonds, Peaches & Plums

Leaf analyses are very effective tools to prevent nutrient deficiency-induced crop loss. They can also save you money by preventing overfertilization. Check your results against the chart.
Roger Duncan
University of California ANR

Efecto de la fertilización orgánica sobre el rendimiento y contenido nutricional de tomate saladette en invernadero

  El experimento se estableció durante 2011 para evaluar los efectos de la fertilización orgánica sobre el rendimiento y contenido nutricional de dos genotipos de tomate saladette desarrollados en cinco sustratos: S1 = arena + solución nutritiva inorgánica;...
César Márquez Quiroz
Pedro Cano Ríos
Alejandro Moreno Reséndez
Uriel Figueroa Viramontes
Esteban Sánchez Chávez
ITEA, información técnica económica agraria

Composting Methods

Composting does not fully decompose all degradable organic materials. Because of various conditions, composting depends on the purpose, scale of production, materials, site, and climate. But whether it is for a small farm or a commercial plant, the first consideration in composting is processing...
Yuh-Ming Huang
Food & Fertilizer Technology Center