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Nutrient balances and the need for fertilizers in semi-arid and arid regions : proceedings of the 17th Colloquium of the International Potash Institute held in Rabat and Marrakech, Morocco.

I tiakina i:

Ngā taipitopito rārangi puna kōrero
Kaituhi rangatōpū:	International Potash Institute. Colloquium Rabat and Marrakech, Morocco
Hōputu:	Conference Proceeding Pukapuka
I whakaputaina:	Bern : The Institute, 1983.
Ngā marau:	Fertilizers. Arid regions agriculture. Soils and nutrition.
Tags:	Tāpirihia he Tūtohu No Tags, Be the first to tag this record!

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