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Root growth and nutrient accumulation in cover crops as affected by soil compaction
(2002-03-25)
Crop rotation using cover crops with vigorous root systems may be a tool to manage soils with some degree of compaction. Root and shoot growth as well as nutrient accumulation by summer species suitable for crop rotation ...
Crop type influences soil aggregation and organic matter under no-tillage
(Elsevier B.V., 2009-06-01)
The adaptation of no-tillage system in tropical regions depends on the suitable choice of summer and winter crops which should contribute to improvement of soil properties. The aim of the present study was to determine the ...
The no-tillage system and cover crops-Alternatives to increase upland rice yields
(2013-02-01)
Upland rice (Oryza sativa L.) cultivation has been increasing in importance in Asia while water availability for irrigation has been decreasing because of rapid growth in industry and urban centers. Therefore, the development ...
Influence of Agroforestry and Traditional Management of Maize (Zea mays L.) on Soil Fertility
(2013-07-01)
The aim of the work was to evaluate soil nutrient concentration at 0-5, 5-10, and 10-20 cm in maize (Zea mays L.) grown in sequence with black oats (Avena strigosa Schreb.) under Leucaena diversifolia alley cropping ...
Anthropogenic influences on Cd, Cr,Cu, Ni, Pb and Zn concentrations in soils and sediments in a watershed with sugar cane crops at São Paulo State, Brazil
(2013-08-23)
The use of fertilizers NPK and amendments in sugar cane crops may change the heavy metals concentrations in soils, making them available for plants and, consequently, they can be transferred to the human food chain. This ...
Effects of superficial liming and silicate application on soil fertility and crop yield under rotation
(2013-03-01)
Soil acidity and low natural fertility are the main problems for grain production in Brazilian 'cerrado'. Although lime has been the most applied source for soil correction, silicate may be an alternative material due to ...
Reação de cultivares de cana-de-açúcar à broca do colmo
(2013-01-01)
The objective of this study was to evaluate the reaction of ten sugarcane cultivars to Diatraea saccharalis under field conditions, using a randomized block design with treatments in factorial 2x10 with six replications. ...
Phosphorus and potassium balance in a corn-soybean rotation under no-till and chiseling
(2013-05-01)
Nutrient use efficiency has become an important issue in agriculture, and crop rotations with deep vigorous rooted cover crops under no till may be an important tool in increasing nutrient conservation in agricultural ...
Cover crop termination timing on rice crop production in a no-till system
(2013-11-01)
Measuring shikimic acid accumulation in response to glyphosate applications can be a rapid and accurate way to quantify and predict glyphosate-induced damage to sensitive plants. The objective of this paper was to evaluate ...
Phosphorus and potassium budget in the soil-plant system in crop rotations under no-till
(2013-01-01)
Soil management and crop rotations can affect P and K budget in soil, decreasing losses, and increasing fertilizer use efficiency. The P and K budget in the soil-plant system at depths up to 60. cm was studied for different ...