✦ LIBER ✦

Soil as a Factor in the Future of Great Plains Agriculture1

✍ Scribed by Harper, Horace J.

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

The Future of Agricultural Research in G

📂 Article 📅 1910 🏛 Nature Publishing Group 🌐 English ⚖ 536 KB

Analysis of Factors Controlling Soil Org

✍ Parton, W. J.; Schimel, D. S.; Cole, C. V.; Ojima, D. S. 📂 Article 📅 1987 🏛 The American Society of Agronomy 🌐 English ⚖ 266 KB

The Occurrence of Extractable Elements i

✍ McNeal, James M.; Severson, R. C.; Gough, Larry P. 📂 Article 📅 1985 🏛 The American Society of Agronomy 🌐 English ⚖ 288 KB

Agriculture in the Great Plains, 1876-19

✍ Review by: Michael E. Kurtzig 📂 Article 📅 1977 🏛 Agricultural History Society 🌐 English ⚖ 319 KB

Factors Which Affect the Development of

✍ Harper, Horace J. 📂 Article 📅 1938 🏛 The American Society of Agronomy 🌐 English ⚖ 377 KB

Practical Problems in Soil Taxonomy and

✍ Thorp, James 📂 Article 📅 1948 🏛 The American Society of Agronomy 🌐 English ⚖ 157 KB