Table of Contents
The molecular mechanism by which cytokinins function remained unknown for a long time. Stoner filed a patent for the first microprocessor interface to deliver tap water and nutrients into an enclosed aeroponic chamber made of plastic. A policy-led planning system recognizes and addresses the complex inter-relationships among environmental, economic and social factors in land use planning. It is important to include a wide assortment of plant foods in your diet to obtain the full range of nutritional requirements. The hypothesis that deamination of 5-methylcytosine is the first stage of demethylation in mammalia has been postulated. These units, because of cost, lack features to purify the nutrient solution, and adequately remove incontinuities, debris , and unwanted pathogens.
Ontario's long-term prosperity, environmental health and social well-being depend on wisely managing change and promoting efficient land use and development patterns. Efficient land use and development patterns support strong, liveable and healthy communities, protect the environment and public health and safety, and facilitate economic growth.
However, where an alternate time period has been established for specific areas of the Province as a result of a provincial planning exercise or a provincial plan , that time frame may be used for municipalities within the area.
Intensification and redevelopment shall be directed in accordance with the policies of Section 2: Wise Use and Management of Resources and Section 3: Protecting Public Health and Safety. However, where provincial targets are established through provincial plans , the provincial target shall represent the minimum target for affected areas.
In determining the most appropriate direction for expansions to the boundaries of settlement areas or the identification of a settlement area by a planning authority, a planning authority shall apply the policies of Section 2: Planning for infrastructure and public service facilities shall be integrated with planning for growth so that these are available to meet current and projected needs. Where feasible, public service facilities should be co-located to promote cost-effectiveness and facilitate service integration.
Intensification and redevelopment within settlement areas on existing municipal sewage services and municipal water services should be promoted, wherever feasible.
Despite this, individual on-site sewage services and individual on-site water services may be used to service more than five lots or private residences in rural areas provided these services are solely for those uses permitted by policy 1. Wise Use and Management of Resources. Waste management systems shall be located and designed in accordance with provincial legislation and standards.
In rural areas and prime agricultural areas , these systems should be designed and constructed to minimize impacts on agricultural operations. Ontario's long-term prosperity, environmental health, and social well-being depend on protecting natural heritage, water, agricultural, mineral and cultural heritage and archaeological resources for their economic, environmental and social benefits.
Prime agricultural areas are areas where prime agricultural lands predominate. Specialty crop areas shall be given the highest priority for protection, followed by Classes 1, 2 and 3 soils, in this order of priority. Proposed new secondary uses and agriculture-related uses shall be compatible with, and shall not hinder, surrounding agricultural operations.
These uses shall be limited in scale, and criteria for these uses shall be included in municipal planning documents as recommended by the Province, or based on municipal approaches which achieve the same objective. Progressive rehabilitation should be undertaken wherever feasible.
Existing mineral aggregate operations shall be permitted to continue without the need for official plan amendment, rezoning or development permit under the Planning Act. When a license for extraction or operation ceases to exist, policy 2. Final rehabilitation shall take surrounding land use and approved land use designations into consideration. On these prime agricultural lands , complete agricultural rehabilitation is not required if:.
Where significant archaeological resources must be preserved on site, only development and site alteration which maintain the heritage integrity of the site may be permitted.
Development shall be directed away from areas of natural or human-made hazards where there is an unacceptable risk to public health or safety or of property damage. Comprehensive, integrated and long-term planning is best achieved through municipal official plans. Municipal official plans shall identify provincial interests and set out appropriate land use designations and policies.
Municipal official plans should also coordinate cross-boundary matters to complement the actions of other planning authorities and promote mutually beneficial solutions. Municipal official plans shall provide clear, reasonable and attainable policies to protect provincial interests and direct development to suitable areas.
In order to protect provincial interests, planning authorities shall keep their official plans up-to-date with this Provincial Policy Statement. The policies of this Provincial Policy Statement continue to apply after adoption and approval of a municipal official plan.
This Provincial Policy Statement does not prevent planning authorities and decision-makers from going beyond the minimum standards established in specific policies, unless doing so would conflict with any policy of this Provincial Policy Statement. In some cases, a Planning Act proposal may also require approval under other legislation or regulation.
An environmental assessment process may be applied to new infrastructure and modifications to existing infrastructure under applicable legislation. The Province shall monitor their implementation, including reviewing performance indicators concurrent with any review of this Provincial Policy Statement.
Criteria for determining significance for the resources identified in sections c - g are recommended by the Province, but municipal approaches that achieve or exceed the same objective may also be used. While some significant resources may already be identified and inventoried by official sources, the significance of others can only be determined after evaluation. Ministry of Municipal Affairs and Housing.
Your Ministry Ontario Building Code. Provincial Policy Statement, Email this page This information was posted under a previous government. You can improve the aggregate stability of your soil by increasing levels of organic matter or applying specialized chemical compounds, such as anionic polyacrylamide PAM. Practices that keep soil covered physically protect it from erosive forces that disrupt aggregation, while also building organic matter.
Any practice that increases soil organic matter, and consequently biological activity, improves aggregate stability. However, it can take several growing seasons or years for significant organic matter gains. In contrast, management activities that disturb soil and leave it bare can result in a rapid decline in soil organic matter, biological activity, and aggregate stability. Aggregates form readily in soil receiving organic amendments, such as manure.
Improving aggregate stability on cropland typically involves cover and green manure crops, residue management, sod-based rotations, and decreased tillage and soil disturbance. Aggregate stability declines rapidly in soil planted to a clean-tilled crop. Pasture and forage plants have dense, fibrous root systems that contribute organic matter and encourage microbial activity. However, grazing and fertility must be managed to maintain stands and prevent development of bare areas or sparse vegetation.
Conservation practices resulting in aggregate stability favorable to soil function include: Conservation tillage systems, such as no-till with cover crops, reduce soil disturbance, and provide and manage residue for increased soil organic matter and improved aggregate stability. Additionally, surface roughness provided by crop residues protects soil from wind erosion.
Long-term use of a conservation tillage system no-till and cover crops resulted in increased soil organic matter and improved soil structure and aggregate stability of this north Georgia Cecil soil.
Photo courtesy James E. See Section II, Chapter 7, pp. Physical Tests for Monitoring Soil Quality. Methods for assessing soil quality. Aggregate Stability and Size Distribution. Methods of soil analysis. Physical and mineralogical methods. Aggregate Stability Aggregate Stability What it is: Practices that lead to poor aggregate stability include: Tillage methods and soil disturbance activities that breakdown plant organic matter, prevent accumulation of soil organic matter, and disrupt existing aggregates, Cropping, grazing, or other production systems that leave soil bare and expose it to the physical impact of raindrops or wind-blown soil particles, Removing sources of organic matter and surface roughness by burning, harvesting or otherwise removing crop residues, Using pesticides harmful to beneficial soil microorganisms.