Ralph C. Martin – författare
Visar alla böcker från författaren Ralph C. Martin. Handla med fri frakt och snabb leverans.
7 produkter
Managing Energy, Nutrients, and Pests in Organic Field Crops
Av Ralph C. Martin, Rod MacRae
Häftad, 2019
1041 kr
Lägg i varukorg
The use of organic management practices in field cropping continues to rise globally, and these methods have proven to be a viable way to produce food with reduced resource use and environmental damage. Managing Energy, Nutrients, and Pests in Organic Field Crops challenges the popular …
Managing Energy, Nutrients, and Pests in Organic Field Crops
Av Ralph C. Martin, Rod MacRae
E-bok, 2014
1230 kr
Lägg i varukorg
The use of organic management practices in field cropping continues to rise globally, and these methods have proven to be a viable way to produce food with reduced resource use and environmental damage. Managing Energy, Nutrients, and Pests in Organic Field Crops challenges the popular …
Food Security
From Excess to Enough
E-bok, 2019
191 kr
Lägg i varukorg
Canadians are failing to balance reasonable food consumption with sufficient and sustainable production.The modern agricultural system is producing more and more food. Too much food. The cost is enormous: excess nutrients are contaminating the air and water; soil is being depleted; species loss is …
Food Security
From Excess to Enough
E-bok, 2019
93 kr
Lägg i varukorg
Canadians are failing to balance reasonable food consumption with sufficient and sustainable production.The modern agricultural system is producing more and more food. Too much food. The cost is enormous: excess nutrients are contaminating the air and water; soil is being depleted; species loss is …
Managing Energy, Nutrients, and Pests in Organic Field Crops
Av Ralph C. Martin, Rod MacRae
Inbunden, 2014
3065 kr
Lägg i varukorg
The use of organic management practices in field cropping continues to rise globally, and these methods have proven to be a viable way to produce food with reduced resource use and environmental damage. Managing Energy, Nutrients, and Pests in Organic Field Crops challenges the popular …
Managing Energy, Nutrients, and Pests in Organic Field Crops
Av Ralph C. Martin, Rod MacRae
E-bok, 2014
1203 kr
Lägg i varukorg
The use of organic management practices in field cropping continues to rise globally, and these methods have proven to be a viable way to produce food with reduced resource use and environmental damage. Managing Energy, Nutrients, and Pests in Organic Field Crops challenges the popular …
Food Security
From Excess to Enough
Häftad, 2019
177 kr
Tillfälligt slut
Canadians are failing to balance reasonable food consumption with sufficient and sustainable production.The modern agricultural system is producing more and more food. Too much food. The cost is enormous: excess nutrients are contaminating the air and water; soil is being depleted; species loss is …