Comment on the relative advantages and disadvantages of organic versus plastic mulches. Which irrigation systems are likely to be used where: (a) water is expensive and the market value of crops...

Comment on the relative advantages and disadvantages of organic versus plastic mulches. Which irrigation systems are likely to be used where: (a) water is expensive and the market value of crops produced per hectare is high, and (b) the cost of irrigation water is subsidized and the value of crop products that can be produced per hectare is low? Explain.