Red Pine (Pinus Resinosa) Seedlings as Affected by Various Soil TreatmentsMichigan State College of Agriculture and Applied Science. Department of Soil Science, 1950 - 118 pàgines |
Continguts
HISTORY OF THE SITE | 8 |
DISCUSSION AND RESULTS | 21 |
SUMMARY AND CONCLUSIONS | 32 |
No s’hi han mostrat 3 seccions
Frases i termes més freqüents
acid peat active soil tests aeration ammonium sulfate available nitrogen base exchange capacity chlorosis chlorotic seedlings clay effect fertilizer treatments five week old forest nursery fungi green manure greenhouse high phosphorus content Hillsdale poor growth lbs./A and Mn legumes manganese manure treatments March 28 Mean value--10 items Michigan State College Mitchell Moisture equivalent mycorrhizae nursery bed nutrient optimum Orville W Oshtemo loamy sand pH meter phosphorus deficiency PINE PINUS RESINOSA potassium pounds per acre RED PINE PINUS root and top Root Top Root rootlets sand gray brown sand light brown sand medium brown sand pH 8.0 sandy loam seed bed seedlings grown September 16 seven inch pots shown in Table Soil of poor soil reaction Soil Science soil tests Spurway Stable manure Subsoil Table 8a Table 9 top measurements Top Root Top Topsoil total phosphorus Total value--10 items Toumey and Korstian week old seedlings Weight g yield young seedlings