Re-imagining Farmers as Knowledge Entrepreneurs

“Unsustainable agricultural practices and poor land management around the world are decreasing the nutritional content of crops and threatening our ability to produce food,” writes Kristie Wang. Given the current status quo, we need to use smarter agricultural practices that not only feed the growing population but can cycle nutrients back into soil. Naturally, we should to turn our focus back to those who are closest to the soil – the farmers.

Marzena Zukowska, Media Manager and Strategist at Ashoka Changemakers, sat down with three thought leaders working in the realm of environmental and agricultural innovation to dig deeper into how we can reverse current trends in food production.

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The SunWater project: advanced solar technology for poor farmers

Guest post by Paul Polak, author, “Out of Poverty” and founder of International Development Enterprises

In my last article you heard about SunWater, a project to build a radically affordable solar water pump for USD $2 a day. The project will transform small plot agriculture, create water markets where they don’t currently exist, and significantly increase incomes that will raise bottom-of-the-pyramid families out of poverty.

Our target customers are small-plot farmers in India and Africa.

These farmers need a reliable, low cost water pumping system so they can grow cash crops to increase their incomes. They also need electric power to add value to their crops (i.e. grinding and processing) and for household use. Current pumping systems cost too much or are unreliable.

Solar pumping systems have been available for years, and they show great promise. But they haven’t been adopted at scale for a very simple reason. They cost too much.

The purchase price of solar PV systems is much too high to be competitive with diesel pumps, even though the fuel costs and repair costs of diesel pumps are astronomical.

If we could cut the cost of solar pumping systems by 80 percent, we could transform small plot farmer incomes, create tens of thousands of new jobs and significantly lower carbon emissions.

How it can be done

So how can we radically reduce the purchase price of solar PV powered pumping systems along with technologies that efficiently transport irrigation water from the source to the plant?

The good news is that affordable small farm systems are already available through the work of IDE, which uses market-oriented development models to increase the income of the rural poor. Through IDE, the market price of drip irrigation has been drastically reduced by using comparatively thin-walled lay-flat hose to convey irrigation water from sources like tube-walls to rows of plants.

The cost of drip irrigation systems were reduced by designing affordable filters to remove dirt from the water, reducing system pressure to decrease the wall thickness of supply and lateral tubing bringing water to each plant and simplifying the design of the emitters, or drip points, along each lateral. This reduced the cost of drip irrigation systems from about USD $1,200 or more to less than USD $600 per acre.

So what about the greater challenge of cutting the cost of a solar PV system and a pump motor combination from USD $7,500 to USD $2,500?

Here is how I think it can be done:

1. Zero-based design. In my new book with Mal Warwick, The Business Solution to Poverty: Designing Products and Services for 3 Billion New Customers, we provide a detailed description of zero-based design. Like zero-based budgeting, it starts from scratch, making no assumptions about the technology and strategy that can best be used or created to address a specific problem.

In this case, we’ve defined the problem as cutting the cost of an installed 2-kilowatt solar PV powered pumping system to USD $2,500. We have broken this down further to set a price target for the installed solar PV system of 70 cents per watt (USD $1,400 for a 2-kilowatt system), and the price of controller, pump and motor at less than USD $1,100, for a total retail price of USD $2,500. If we can achieve these targets, we believe that solar PV powered pumping systems would be economically competitive with diesel powered pumps, which would create transformative new energy markets in developing countries.

2. A systems approach to design. To pull it off, we’ll need to work on solar pumping, irrigation and livelihood enhancing high-value crop production and marketing as a total system. Figure 1 diagrams what this system looks like. Integrated financing also needs to play a role in the whole system solution.

3. Mirrors are cheaper than solar panels. In spite of the fact that the price of photovoltaic (PV) solar systems have dropped significantly over the past ten years, the capital cost of an installed PV system used to pump irrigation water is still far too expensive to be competitive with diesel powered pump sets. But there are many options for further lowering the capital lost.

For example, a simple glass mirror is much cheaper than a solar panel. If we reflect the sunlight hitting 10 glass mirrors that are a little bit bigger than the surface area of a 250- or 300-watt solar panel, we should be able to generate 2,000 watts. We can pump a small amount of water through a simple heat exchanger on the back of the PV panel to keep it from overheating. The mirror system would need to be incorporated into a simple frame that could be rotated to track the sun. This is just one out of the out-of-the-box solutions that could lower cost. A simple initial prototype we built in collaboration with Ball Aerospace engineers worked pretty well (see Figure 2).

4. Improving water conveyance and application efficiency. Most diesel-powered pumps convey water from the pump to the crop in unlined channels, and deliver it to plants by flooding the field. The result is that 60 to 70 percent of the water pumped out of the ground is lost to seepage before it ever gets to the plants that need it. Using thin-walled lay-flat tubing to carry the water from the pump to the field and low-cost drip irrigation to deliver water to the plants would double the overall efficiency of traditional water conveyance and application methods. This would either double the water available for irrigation or cut the size of the pumping system in half, either of which have the same functional impact as cutting the cost of the solar powered pumping system in half.

Fifteen years ago, my colleagues and I at IDE started designing and field testing a low-cost drip system for small farms that is about one half the price of conventional drip systems. Such a low-cost drip system costs about USD $1,400 for 2.5 acres, including the lay-flat hose to carry water from the pump to the field. IDE field tests in a variety of countries have demonstrated that typical farmers can earn net income after expenses of 45 cents/square meter, or USD $4,500 from a 2.5 acre plot of diversified high-value cash crops like off-season vegetables by putting the low-cost drip system to work.

5. Improving farmer income. You can’t pay for a low-cost drip systm and a solar PV powered pumping system and make a profit by using the water these systems produce to grow low value crops like rice, wheat, corn, and pulses. To earn a reasonable livelihood, small farmers need to learn to irrigate in the dry season, when vegetables prices are two to three times as high as they are during the rainy season when everybody can grow vegetables.

Savvy farmers plant four or five high-value crops, because it’s impossible to predict what the market price for any one crop will be, and diversified cropping both lowers risk and increases probability that at least one of the crops will generate lucrative profit. So it’s just as important to help farmers optimize income as it is to lower the cost of pumping and improve the efficiency of conveying and applying water from the source to the crop.

6. Creating a scalable, profitable business model.  The best way to reach scale is to release market forces, creating opportunities for every participant in the marketplace to earn a reasonable profit. This includes the manufacturers of both the solar PV powered pumping systems and the irrigation systems, the dealers who sell them, the technicians who install them and the farmers who buy them to improve their livelihoods.

The first barrier to profitability is the capital cost of USD $3,900 for the total system. Even though it can earn attractive returns on investment, the upfront cost is too high for most small farmers. For this reason, an important player in the system needs to be a business that offers the solar PV powered pumping and irrigation system on a lease basis or on credit, with the least/credit business also earning an attractive profit.

SunWater is a project of my company, Paul Polak Enterprises. We are partnering with a group of volunteer engineers from Ball Aerospace, the company that built the instruments on the Hubble space telescope, to build the proof of concept prototype of the USD $2,500 solar PV powered pumping system. Jack Keller, a world authority on drip and sprinkle irrigation, and Bob Yoder, an irrigation engineer I worked with at IDE, are working on the design of the total system and its beta testing and pilot commercial rollout in Gujarat, India. There we will be working with an Indian subsidiary of Paul Polak Enterprises, and they will play the local leadership role.

From Gujarat, SunWater India will initiate a full scale rollout of the affordable solar PV powered pumping and irrigation system in India’s Eastern states, where the majority of India’s existing 19 million diesel pumps are located. My dream is that after we create a new market for solar PV powered pressurized irrigation in India and other countries in Asia, we will then repeat the process with a global commercial initiative to provide affordable village electricity to a significant percentage of the billion or more people in the world who are without a connection to the electric grid.

To learn more about SunWater Affordable Village Solar Irrigation, click here.

 

Photo courtesy Paul Polak.

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Mercy Corps’ Agri-Fin Mobile program goes live in Indonesia, Uganda, and Zimbabwe

 

A unique “bundled” mobile service is changing the way smallholder farmers conduct business.

A new Mercy Corps program, dubbed “Agri-Fin Mobile” (“agriculture” plus “financial” services), is helping rural farmers in Indonesia, Uganda and Zimbabwe increase their crop yields, boost their food security, and enhance their economic prospects. Launched in July of 2012 with support from the Swiss Agency for Development and Cooperation, Agri-Fin Mobile partners local mobile tech companies, financial institutions and research organizations to provide “bundled” support for smallholder farmers. Read more

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Unleashing Ugandan farmers’ potential through mobile phones

 

Farmers will be able to build a credit history through data collected on their farming supply purchases and produce sales.

A powerful new mobile platform combining agriculture information and financial services specifically designed for smallholder farmers is going live in Uganda, helping farmers plow even more value from each acre.

Based on AgriLife, a cloud-based platform, the platform will be accessible via mobile phone and provide two key, interconnected services: data collection and analysis about farmers’ production capability and history, as well as provide an integration point for financial institutions, mobile network operators, produce buyers and their agents to more efficiently provide much-needed services to distant, rural farmers. Read more

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Mercy Corps partnership ushers in the mobile age for rural Filipino farmers

 

Filipino rice farmers will soon pad their mobile wallets with more than just mobile money: they’ll get on-demand farming advice, too.

Though rice is the archipelago’s staple food, most smallholder farmers produce less than they consume, and most don’t have access to formal financial services, like savings and loans.

Mercy Corps brought together a bank and an agricultural research center to address farmers’ needs for advice that will increase their crop yields and profits while also providing better banking options to manage their finances. The partnership offers a tailored suite of services available via mobile phone. Read more

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Who says GMOs are necessary? Small farmer shatters rice record

 

A 2012 report released by the International Service for the Acquisition of Agri-Biotech Applications highlights the unprecedented growth in biotech crops globally, particularly in developing countries. Of the 28 countries planting biotech crops in 2012, 20 were developing countries, compared to only eight industrialized nations. The past 17 years have seen consecutive increases in the numbers of farmers worldwide planting GMOs. According to ISAAA, these figures are expected to grow. Read more

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Post Harvest Challenges in Agriculture – Can Mobile Apps Help?

By Sheilah Birgen
The fourth Wireless Wednesday meet up on mobile innovations in agriculture saw mobile apps developers, entrepreneurs, farmers, NGOs, financial advisors,media, government representatives, and other stakeholders review apps that target post-harvest challenges. Read more
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