Perspectives is a biannual publication of the International Fertilizer
Development Center (IFDC). Unless otherwise noted, printed material
published in Perspectives is in the public domain and may be freely
reproduced. Source acknowledgment and a copy of any reproduction are
requested. Electronic versions in English and French are available at ifdc.org.

The IFDC Magazine is a quarterly publication of the International Fertilizer Development Center (IFDC). Unless otherwise noted, printed material published in the IFDC Magazine is in the public domain and may be freely reproduced. Source acknowledgment and a copy of any reproduction are requested. Electronic versions in English and French are available at ifdc.org.

The IFDC Magazine is a quarterly publication of the International Fertilizer Development Center (IFDC). Unless otherwise noted, printed material published in the IFDC Magazine is in the public domain and may be freely reproduced. Source acknowledgment and a copy of any reproduction are requested. Electronic versions in English and French are available at ifdc.org.

The IFDC Magazine is a quarterly publication of the International Fertilizer Development Center (IFDC). Unless otherwise noted, printed
material published in the IFDC Magazine is in the public domain and may be freely reproduced. Source acknowledgment and a copy of any
reproduction are requested. Electronic versions in English and French are available at ifdc.org.

The IFDC Magazine is a quarterly publication of the International Fertilizer Development Center (IFDC). Unless otherwise noted, printed
material published in the IFDC Magazine is in the public domain and may be freely reproduced. Source acknowledgment and a copy of any
reproduction are requested. Electronic versions in English and French are available at www.ifdc.org.

The IFDC Magazine is a quarterly publication of the International Fertilizer Development Center (IFDC). Unless otherwise noted, printed material
published in the IFDC Magazine is in the public domain and may be freely reproduced. Source acknowledgment and a copy of any reproduction
are requested. Electronic versions in English and French are available at www.ifdc.org.

The IFDC Magazine is a quarterly publication of the International Fertilizer Development Center (IFDC). Unless otherwise noted, printed material
published in the IFDC Magazine is in the public domain and may be freely reproduced. Source acknowledgment and a copy of any reproduction
are requested. Electronic versions in English and French are available at www.ifdc.org.