6 treff

crop yields congresses
Opportunities for increasing crop yields
edited by R.G. Hurd, P.V. Biscoe, and C. ...
Bok Engelsk 1980 · Vis mer
Fertilizers, crop quality and economy : proceedings of a Study Week on the Use of Fertilizers and their Effect on Crop Growth, with Emphasis on Quality and Economy, April 10th-16th, 1972
Study Week on the Use of Fertilizers and their Effect on Crop Growth, with Emphasis on Quality and Economy
Bok Engelsk 1974 · Vis mer
Efficient use of fertilizers in agriculture
Symposium on Research into Agro-technical Methods Aiming at Increasing the Productivity of Crops--Co-efficients for thMost Efficient Use of Fertilizer Nutrients and Means for Reucing the Losses of Nutrients to the Environment under the Cnditions of Intensive Agriculture
Bok Engelsk 1983 · Vis mer
Moving up the yield curve : advances and obstacles : proceedings of a symposium
sponsored by Divisions S-4, S-8, and A-4 ...
Bok Engelsk 1980 · Vis mer
Proceedings of the Twenty-Third Annual ACM-SIAM Symposium on Discrete Algorithms

Bok Engelsk · Les boka på nett · Vis mer
Nutrient balances and fertilizer needs in temperate agriculture : proceedings of the 18th Colloquium of the International Potash Institute held in Gardone-Riviera, Italy, 1984
International Potash Institute
Bok Engelsk 1984 · Vis mer