Iris Publishers Agriculture Soil Science

Increase in The Use of Organic Fertilizers as Complements to Inorganic Fertilizers in Maintenance of Soil Fertility and Environmental Sustainability Authored by  Joseph Xorse Kugbe Soil is taken for granted by most farmers, who often think of it as an inert support for plants. In reality, it is a dynamic, living resource whose condition is vital for food production and for the function of the ecosystem as a whole. The fertility of soil can be considered in different ways, depending on land use. In intensively managed agricultural and horticultural systems, and even in forestry, soil fertility can be defined in terms of the value of products produced relevant to inputs used (including economic aspects of nutrient budgeting). Alternatively, the emphasis may be on quality or productivity. Soil fertility maintenance is a major concern in tropical Africa [1], particularly with the rapid population increase, which has occurred in the past few decades. In traditional farming systems, fa...

  Side Effects of Insecticides on Beneficial Insects: A Practical Tool to Identify Organic Agroecosystems Authored by R González Ruiz Introduction In order to achieving sustainability, integrated pest management (IPM) represents a remarkable improvement over previous conventional approaches [1]. This crop production and phytosanitary protection model combines different management strategies and practices for healthy crops, to bring the pest organism to acceptable limits with the least possible ecological disturbance [2]. This includes the establishment of population thresholds for pests, which determine the need for chemical control, minimizing risks to human health and beneficial organisms. Currently, an area of 392,362 hectares of olive groves corresponds to IPM in Andalusia (southern Spain), which according to the regional government, it represents 71% of the total area dedicated to olive cultivation. IPM does not necessarily require the suppression of insecticides, but rather ...

  Biofertilizer Impacts on Cassava (Manihot Esculenta Crantz) Rhizosphere: Crop Yield and Growth Components, Igbariam, Nigeria Authored by Ayodele A Otaiku Introduction Cassava (Manihot esculenta crantz) is a perennial shrub grown principally for its starchy roots which are used as food, animal feed and as a source of starch. Cassava tends to be grown on the poorer agricultural lands, without irrigation and with limited application of purchased inputs. It is naturally well adapted to these conditions [1]. Nevertheless, the tremendous variation in conditions to Citation: Ayodele A Otaiku, Mmom PC, Ano AO. Growth, Biofertilizer Impacts on Cassava (Manihot Esculenta Crantz) Rhizosphere: Crop Yield and Growth Components, Igbariam, Nigeria - Paper 1. World J Agri & Soil Sci. 3(5): 2019. WJASS.MS.ID.000575. DOI: 10.33552/WJASS.2019.03.000575. Page 2 of 15 which it is subjected means that cassava production technology needs to be adapted to the varying natural conditions, rather than...

  Growth, Yield and Yield Components Response of Local Sorghum Varieties to Nitrogenous Fertilizer Rates in Northern Ghana Authored by Joseph Xorse Kugbe The economic importance of Sorghum (sorghum bicolor L. Moench) to rural households and household food security in northern Ghana, remains a key reason for the continues cultivation of the crop, though average yield (700 kg/ha) is below that of maize and rice. The low yield, however, implies that sorghum could contribute more to food supplies than at present, especially in resource-constrained regions and people in greatest need. The crop has been referred to as one with vast untapped potential [1,2]. Across northern Ghana the crop is preferred by farmers because of the relatively dry agricultural environment. Sorghum is an extremely drought tolerant crop and has an ability to survive and yield grain during continuous or intermittent drought stress [3]. As a result, the crop has been and is still an important staple in most Semi-A...

  Soil Restoration: Drought Resistance, Soil Health Improvement, Toxin Sequestration and Worms Authored by Leonard Sonnenschein Land and water systems are on the verge of a collapse due to various failed schemes [1]. The ecological impact on water/land use along with dilutive residues of pesticides, herbicides, fertilizers, and over-use of soil and waterways have led to an inability for land and water systems to be sustainably managed. The effects of climate change have further marginalized Land and Sea productivity due to change in soil and water conditions and relative cropping/water use equations [2]. Effluents from farm fields are toxifying streams and residues are being built up in adjoined waterways in the form of new eutrophic zones (dead zones); often the result of fertilizers being used to heavily increase agricultural production without consideration of the land and water ecosystem resource impact. Discussion The effects of agricultural runoff: nitrogen and phosp...