Which of the following is a basic demographic variable?

Which of the following is a basic demographic variable?

The common variables that are gathered in demographic research include age, sex, income level, race, employment, location, homeownership, and level of education.

Under what circumstances are bystanders less likely to attempt to help a stranger?

Under what circumstances are bystanders less likely to attempt to help a stranger who appears to be in danger? the higher the number or bystanders, Define the net migration rate.

How has Earth’s population changed in the past fifty years?

How has Earth’s population changed in the past fifty years? Population will begin to decline. The “green revolution” refers to a major transformation in agriculture that occurred in the twentieth century and resulted in an explosion in food production.

What has happened if a blighted urban neighborhood?

What has happened if a blighted urban neighborhood were to suddenly develop an assortment of upscale restaurants, coffee shops, hip boutiques, and art galleries? It is becoming gentrified.

What are three major urban decay issues that need to be addressed?

High crime rates, Depopulation, Desolate-looking landscapes, Abandonment of buildings and split families.

How can urban blight be reduced?

7 ways the city and state could address blight

1. Stop selling property tax liens.
2. Take surplus properties out of the Marion County Commissioners’ control.
3. Require county treasurers to remove certain properties from tax sale.
4. Turn land banks into a one-stop shop for derelict property.

What is blight in a neighborhood?

Blight encompasses vacant lots, abandoned buildings, and houses in derelict or dangerous shape, as well as environmental contamination. Blight can also refer to smaller property nuisances that creep up on cities and suburbs: overgrown lawns, uncollected litter, inadequate street lighting, and other signs of neglect.

What are the causes of urban blight?

Blight generally occurs in areas that are impacted by poverty and lack of economic opportunity. Neighborhoods exposed to blight are at an increased risk of various economic, social, and physical health disparities. Historically, blighted neighborhoods also have higher rates of crime and illicit drug activity.

What does blight look like?

What does early blight look like? Symptoms of early blight first appear at the base of affected plants, where roughly circular brown spots appear on leaves and stems. As these spots enlarge, concentric rings appear giving the areas a target-like appearance. Often spots have a yellow halo.

Can blight be cured?

Blight spreads by fungal spores that are carried by insects, wind, water and animals from infected plants, and then deposited on soil. While there is no cure for blight on plants or in the soil, 2 there are some simple ways to control this disease.

How long does blight stay in soil?

three to four years

How do you kill early blight in soil?

The key is solarizing the soil to kill the bacteria before they get to the plants. As soon as you can work the soil, turn the entire bed to a depth of 6″, then level and smooth it out. Dig a 4-6″ deep trench around the whole bed and thoroughly soak the soil by slowly running a sprinkler over it for several hours.

How do you kill blight in soil?

Fungicides applied directly to plants sometimes help control tomato blight. Keep in mind, however, that they are best used as a preventative, not as a cure. Copper fungicide, maneb and chlorothalonil are examples of sprays sometimes applied for tomato blight prevention.

Does baking soda kill blight?

How it works: Baking Soda works by creating an alkaline environment on the leaf, This spray of water and Baking soda will change the pH of the leaf from around 7.0 to around 8.0, this change is enough to kill, and prevent all blight spores!

What can I spray for tomato blight?

To create a solution that prevents and treats disease, add a heaping tablespoon of baking soda, a teaspoon of vegetable oil, and a small amount of mild soap to a gallon of water and spray the tomato plants with this solution. This needs to be reapplied regularly to maintain its efficiency.

What is the most blight resistant tomato?

‘Jasper’, another All-America Selections winner, has become my go-to cherry tomato for its resistance to late blight and several other common tomato diseases. It’s also ridiculously productive, with fruits ready to pick two months after transplant. The harvest of sweet cherry-size tomatoes continues until frost.

What does tomato blight look like on leaves?

Early blight is characterized by concentric rings on lower leaves, which eventually yellow and drop. Late blight displays blue-gray spots, browning and dropped leaves and slick brown spots on fruit. Although the diseases are caused by different spores, the end result is the same.

Is early blight a bacteria?

Common on tomato and potato plants, early blight is caused by the fungus Alternaria solani and occurs throughout the United States. Symptoms first appear on the lower, older leaves as small brown spots with concentric rings that form a “bull’s eye” pattern.

Why it is called late blight?

Found on tomato and potato plants, late blight is caused by the fungus Phytophthora infestans and is common throughout the United States. True to its name, the disease occurs later in the growing season with symptoms often not appearing until after blossom.

What do diseased tomato plants look like?

Identify: This common tomato plant disease appears as bulls-eye-shaped brown spots on the lower leaves of a plant. Often the tissue around the spots will turn yellow. Eventually, infected leaves will fall off the plant.

What are the signs of over watering tomato plants?

Early signs of overwatering in tomato plants include cracked fruit and blisters or bumps on the lower leaves. If the overwatering continues, the bumps or blisters on the leaves turn corky. Meanwhile, the roots begin to drown, die and rot, which reduces the amount of water the green part of the plant receives.

What is the lifespan of a tomato plant?

6-8 months

What kind of diseases can tomato plants get?

Anthracnose (fungi: Colletotrichum spp.) is primarily a problem on fruit that is ripe (or overripe), although leaves, stems, and roots may become infected. Fruit that is not yet ripe may also become infected; however, symptoms will only appear when the fruit begins to ripen.

What is best insect spray for tomato plants?

• Best Seller. Bonide32 oz Neem Oil Fungicide, Miticide, & Insecticide Ready-To-Use.
• Bonide32 oz. RTU Insecticidal SUPER Soap.
• Harris12 oz.
• 2.5 lb.
• Monterey B. T. Caterpillar Killer.
• Monterey5 lb.
• MontereyB.T. (Bacillus Thuringiensis) Pint Concentrate Outdoor Organic Insecticide.
• MontereyGarden Insect Spray with Spinosad.

Why tomato leaves curl up?

High winds, blowing dust and low humidity can damage the leaves and stems on tomato plants. Heat and low moisture can cause the edges of the tomato leaves to die back, then twist and curl. This is a self- defense response, where leaves and leaflets curl slightly to prevent further water loss (Fig. 6).

Should I cover my tomato plants when it rains?

If you are growing tomatoes in rainy season, you can cover tomato plants with plastic to provide some protection from heavy rains, wind or hail during extreme weather or to get an early start on the growing season.

Should I put plastic over my tomatoes?

Using plastic sheeting to protect tomato plants Make sure plastic does not touch tomato plants. Cold plastic will damage plants at the point of contact. Make sure you remove sheets of plastic during the daytime so that soil can reheat and light can warm plants.

Why are tomato leaves turning yellow?

Watering Problems Too much water or too little water can both cause yellow tomato leaves. Soak tomatoes plants thoroughly once every five to seven days, depending on weather and soil type. Water tomato plants carefully at the base of the plant and keep the leaves as dry as possible. Watering early in the day is best.

How do you protect tomatoes from heavy rain?

A simple preventative measure is to protect the roots of your plants from weather damage by spreading mulch. A 3-inch layer around the root area will protect the plant from cold damage following heavy rain. Just keep the mulch at least 3 inches from the plant’s foliage.