U.S. Dept. of Agriculture eBooks

3 ta ish

E-kitob platformasi

1. Experiments with crops under fall irrigation at the Scottsbluff Reclamation Project experiment farm

   Fritz Knorr

   KitobOAOchiq kirishIrrigation Practices and Water ManagementU.S. Dept. of Agriculture eBooks19140 iqtibos

   ABIABI:AkademIndex/1914.book.000001

2. Experiments in the production of crops on alkali land on the Huntley Reclamation Project, Montana /

   D. M. Hansen

   KitobOAOchiq kirishSoil Carbon and Nitrogen DynamicsU.S. Dept. of Agriculture eBooks19140 iqtibos

   ABIABI:AkademIndex/1914.book.000002

3. Gate structures for irrigation canals /

   Fred C. Scobey

   KitobOAOchiq kirishCivil and Structural Engineering ResearchU.S. Dept. of Agriculture eBooks19140 iqtibos

   ABIABI:AkademIndex/1914.book.000003