QUIZ on Farm Manures

(30)1. State a justification for the following practices in applications of farm manures to crop land.

a. Fresh (uncomposted) farm manures should be applied to land about two weeks ahead of planting of crops.

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b. To achieve maximum benefit from plant nutrients, farm manures should be incorporated into the ground immediately after application of the manures to the land.

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c. Farm manures for fertilization of food crops should be well rotted (composted) in piles before land application or composted in the soil for four months after land application and prior to harvest of the crops.

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(12)2. List the recommended rates of annual application of farm manures for the following conditions.

a. Livestock manure to provide nutrients to a high-yielding crop _____________________________________

b. Poultry manure to provide nutrients to a high-yielding crop _______________________________________

c. Livestock manure to provide a rapid increase of humus in soil _____________________________________

d. Composted manure to provide a mulch _______________________________________________________

e. Unincorporated manure on the surface of the ground _____________________________________________

f. Livestock manure on snow-covered ground _____________________________________________________

(30)3. Evaluate the following practices for utilization of farm manures as fertilizers.

a. Application of farm manures to land in the fall of the year preceding crop production (for example, fall 2000 for spring 2001 crop).

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b. Application of fresh poultry manure to land and directly planting a crop into the freshly manured field.

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c. Application of poultry manure from an egg-producing operation. ___________________________________

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(28) 4. Comment on the truth of the following statements

a. Manured land is often very weedy ____________________________________________________________

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b. Strawy manure (manure with an abundance of bedding) should be composted before use as fertilizer.

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c. Since the farm manure from one or two cows will fertilize an acre of land, organic farmers have no problem in giving crops adequate nutrition in a small, mixed crop-livestock farm.

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