Chemistry applied to practical farming and home mixing fertilizers by Smith George Irbin 1858-

Author:Smith, George Irbin, 1858- [from old catalog]
Language: eng
Format: epub, pdf
Tags: Fertilizers, Agricultural chemistry
Publisher: [Sanford, N.C., Cole printing company]
Published: 1913-03-25T05:00:00+00:00

26 Chemistry Applied to Practical Farming

(Q) Can legume bacteria live in acid soils?

(A) Legume bacteria cannot thrive successfully in acid or sour soils. For this reason we lime soils for legume crops.

(Q) Where are cultures of bacteria produced?

(A) These cultures are bred in the laboratory.

(Q) How does the farmer inoculate his seeds of legume plants with cultured bacteria?

(A) All farmers who wish success for inoculation of the seeds of legume plants, can use Farmogerm.

HOME MIXING FERTILIZERS.

Lesson 25.

(Q) What is home-mixing fertilizers?

(A) Home-mixing fertilizers is buying materials and compounding them in the proper proportion for the need of plants.

(Q) How can you tell the number of pounds of acid phosphate or Thomas phosphate that are required to make a ton of fertilizer that will analyze 8 per cent, phosphoric acid?

(A) Multiply the number of hundred weight in a ton by the per cent, required, annex two ciphers and divide by the per cent, of the material used. Thus: 20X8=160.00-^16= 1,000 pounds.

(Q) How can you tell the number of pounds of nitrate of soda and cotton seed meal that are required to make a ton of fertilizer analyzing 4 per cent, ammonia?

(A) Multiply the number of hundred weight in a ton by the per cent, required, annex two ciphers and divide by the per cent, of the material used if you are using only one material. Two hundred pounds of nitrate of soda furnish 36 pounds of ammonia. Eighty pounds of ammonia are required to make the ton analyzing 4 per cent. Eighty pounds minus 36 pounds equal 44 pounds more, which we get from cotton seed meal, annex two ciphers to the 44 and divide by 8 the per cent, of the cotton seed meal, and we have 550 pounds of cotton seed meal and 200 pounds of nitrate of soda which, when combined, make the ton analyzing 4 per cent, ammonia.

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