B4U4

指导老师：丁红云

制作：马可欣 莫娇恋 胡迎

1

directory

The descriptions of two methods

The advantages of two methods

The disadvantages of two methods

Two different visions of agriculture

Consequences of intensive farming

Imagining the future of agricultural

development

Part1 Paras.1-5

Part2 Paras.6-7

Part3 Paras.8-14

Part4 Our vision

2

Part1：

The Discriptions Of

Two Methods

◆The Present Method:

Intensive Farming:

keep the cows in barns, put

them on a balanced nutrientrich diet, with their feed

transported from afar and

their manure redistributed

elsewhere.

3

Part1：

The Discriptions Of

Two Methods

◆The Alternative Method:

Managed Grazing:

keep the cows in a paddock and

let them graze fresh grassland

and spread their own manure until

a new paddock is necessary.

4

Part1：

The Advantages Of

Two Methods

◆The Present Method:

Intensive Farming:

high yields per unit input.

◆The Alternative Method:

Managed Grazing:

low cost in money and labor,

profitable for farmers.

5

Part1：

The Disadvantages Of

Two Methods

◆The Present Method:

Intensive Farming:

reliance on genetic alteration,

wasteful use of chemicals, not

profitable for farmers,

devastating environmental

degradation.

◆The Alternative Method:

Managed Grazing:

probably low yields, making

governments subsidies

necessary.

6

Part2：

Two Different Visions of

Agriculture

◆The Present Method:

Intensive Farming:

market-driven.

its sole purpose being

the production of the

least expensive and most

uniform food products.

we cannot squeeze every

possible harvestable unit from

the land.

7

◆The Alternative Method:

Managed Grazing:

regenerative and sustainable,

with the long-term goal of

building thriving communities and

maintaining a nurturing

environment.

building and storing carbon

and nutrients in soils

providing habitat for wildlife

contributing to bucolic

landscapes

8

Part of what we grow must

go back into the soil, the

savings account whose

interest will accrue to our

future selves.

A small but growing

group of farmers has

adopted this vision, but

growing the movement

is not easy.

9

Part3:Consequences

of Intensive Farming

· Processed foods with empty

calories, and transportation

ethanol whose energyconversion efficiency is about

zero.

· Sharp decline in biodiversity,

soil loss.

Obesity

10

· The land accumulates large

amounts of animal manure

used to replenish the land

with nutrients, which can run

off with rainwater into surface

water and infiltrate into

groundwater, polluting it.

11

· Collapsing fisheries, farm

bankruptcies, mass rural

exodus, erratic climate.

· Lakes and rivers damaged by

overgrown algae; toxic

cyanobacteria make people

sick and kill fish and pets

12

Part4：

Imagining the future of

agricultural development

Traditional agriculture is a resourceintensive, labor-intensive industry,

but with the development of science

and technology, especially the rapid

development of biotechnology,

information technology, logistics

industry, agriculture is getting rid of

water, soil and other resources and

labor bondage.

What is the future of agriculture?

13

When I sit reading in the study, I can

reach out and put a fresh small tomato

from my plant screen in my mouth.

I also hope to point a little computer or

mobile phone screen at home,

watering crops, fertilizing, adding feed

to cattle sheep livestock.

With a few more phone calls, I can

distribute the food and fruit harvested

from my farm to supermarkets

everywhere.

There will be oraganic food which

provides us nutrients without fear of

gaining weight. With the food as our

diet, we can remain healthy, slim and

forever young.

We imagine：

14

Part4：

Imagining the future of

agricultural development

◆Smart agriculture:

The application of drones,

intelligent robots and big data

technology in agriculture will put

agriculture in the era of digital,

precise, networked and intelligent

agriculture.

Therefore, agriculture in the

future will be intensive, largescale, environmentallyfriendly and efficient .

15

Part4：

Imagining the future of

agricultural development

Under the right conditions, given

enough light and the necessary

nutrients, it is possible to grow

plants indoors - to 'grow' crops

in the air, to turn a high-rise

building into a farm, to produce

food and fruit, even chicken,

ducks and fish, using workshop

production methods.

16

Part4：

Imagining the future of

agricultural development

Plant factories rely on highly

accurate and intelligent control of

the facilities.

Plant factories require clean

cultivation space and for some

seedling and tissue, culture type

plant factories, even sterile culture

rooms are required.

Breakthroughs in plant factory

technology have made tall building

farms, desert farms, space farms,

sea farms, polar farms, etc. possible.

17

Part4：

◆Functional agricultural

products：The use of modern

breeding and cultivation techniques

can achieve the quantitative

enrichment of certain nutritional

components or functional

substances in agricultural products,

and produce high-quality, nutritious,

and special functional foods.

1、General functional foods are

designed to promote nutritional balance,

increase dietary fiber, regulate the

physiological state of the body, and

enhance immunity.

For instance α- Linolenic acid (ALA) is crucial for health,

but the human body cannot synthesize it on its own.

So scientists have produced peony oil with food

engineering technology to prevent cardiovascular

diseases.

18

Part4：

2、Special functional food ——for

special people, such as obesity, diabetes,

hypertension, hyperlipidemia, etc

Is there any food

that prevents people

from gaining weight?

Can we produce special

food for diabetes patients?

Cereals rich in high resistant starch

Synthetic biology and genome editing technology can

not only introduce the anabolic pathway that originally

did not exist in plants into plants, but also realize the

rapid domestication of wild resources. Therefore, with

the help of a variety of molecular biology research

technologies, different excellent traits are combined to

cultivate new varieties with high yield, stress resistance,

green, nutrition and special functions to meet the needs

of different consumers, It has gradually become the

current situation of agricultural production.

19