Preliminary Crop And Soil Data for the Cooperative Study of Available Plant Food
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To quickly assess the difficulty of the text, read a short excerpt:
Season very bad and dry. Soil is not alkali ; not irrigated. Geolog- ! ically a limestone-clay soil.
Arlington, Soil No. 29. This soil is from one of the Department's experimental farms, located at Arlington, Virginia. Previous to its pur- chase for this purpose it was an old field that had been in grass sod for \ some time. The sod had been taken off and used elsewhere previous to this year's work. There is no crop history and no knowledge of the application of fertilizers.
The season was fair... and all the crops started well but made no head- \ way, two of them dying out. The crops were not injured by insects nor disease. Soil is not alkali ; was not irrigated. The soil rests upon a stiff clay subsoil and is all very poor and worked down in this vicinity. ' Potomac Flats, Soil No. 31. This is a soil from a second experi- mental farm belonging to the Department and located in the District of Columbia. It is a very unusual soil, being a river deposit to a depth of about 50 feet. The deposit is one of the system of the Potomac flats which has been made artificially.
What to read after Preliminary Crop And Soil Data for the Cooperative Study of Available Plant Food?
You can find similar books in the "Read Also" column, or choose other free books by Charles C Charles Chilton Moore to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Season very bad and dry. Soil is not alkali ; not irrigated. Geolog- ! ically a limestone-clay soil.
Arlington, Soil No. 29. This soil is from one of the Department's experimental farms, located at Arlington, Virginia. Previous to its pur- chase for this purpose it was an old field that had been in grass sod for \ some time. The sod had been taken off and used elsewhere previous to this year's work. There is no crop history and no knowledge of the application of fertilizers.
The season was fair... and all the crops started well but made no head- \ way, two of them dying out. The crops were not injured by insects nor disease. Soil is not alkali ; was not irrigated. The soil rests upon a stiff clay subsoil and is all very poor and worked down in this vicinity. ' Potomac Flats, Soil No. 31. This is a soil from a second experi- mental farm belonging to the Department and located in the District of Columbia. It is a very unusual soil, being a river deposit to a depth of about 50 feet. The deposit is one of the system of the Potomac flats which has been made artificially.
What to read after Preliminary Crop And Soil Data for the Cooperative Study of Available Plant Food?
You can find similar books in the "Read Also" column, or choose other free books by Charles C Charles Chilton Moore to read onlineMoreLess
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