Methods and apparatus consistent with the present disclosure may allow a computer to receive information regarding conditions of cannabis plant matter growing at different farms. Methods consistent with the present disclosure may allow a computing device to collect and correlate environmental data, market data, and plant growth data when estimates are made regarding product quality and value. These estimates may allow buyers of cannabis plant matter or concentrates extracted from cannabis plant matter to be sold to buyers based on terms acceptable to a particular grower and a particular buyer. Such terms may be based on data collected, organized, or estimated by computer systems that communicate with computers of both buyers and growers. Computing devices consistent with the present disclosure may allow buyers to commit to purchase contracts with growers and may provide a grower with the ability to receive payments or to send bills to buyers.
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