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SCSC 311 Exam 2 Peanuts & Corn Questions and Answers Pass Guaranteed Latest Update

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SCSC 311 Exam 2 Peanuts & Corn Questions and Answers Pass Guaranteed Latest Update How soon do rhizobium supply nitrogen to the plant - Answer- adequate nitrogen is supplied in 30 days after planting Do peanuts ever get nitrogen deficiency? - Answer- nitrogen deficiencies are rare but most s...

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  • October 31, 2024
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  • SCSC 311
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SCSC 311 Exam 2 Peanuts & Corn
Questions and Answers Pass
Guaranteed Latest Update

How soon do rhizobium supply nitrogen to the plant - Answer- adequate nitrogen is
supplied in 30 days after planting

Do peanuts ever get nitrogen deficiency? - Answer- nitrogen deficiencies are rare but
most states recommend applying 15-30 lbs/ac at or before planting

what is the most yield limiting nutrient of peanuts - Answer- calcium; (upper 3 inches);
once peg enters the soil, no Ca is transported; no obvious effect on vegetative growth

ideal pH for peanuts - Answer- sandy soils: 5.8-6.2
clay: 6-7

is there an aerial indicator of maturity in peanuts - Answer- no

ways to estimate time of harvest - Answer- shell out method; hull-scrape method; seed
coat color

what moisture level for peanut harvest - Answer- 35-50% kernel moisture; field dry to
18-24% moisture

Types of peanut rots - Answer- - aspergillus crown rot
- charcoal rot
- limb rot (spanish resistant)

types of nematodes - peanut - Answer- -root-knot nematodes (controlled by rotation)
-root-lesion nematods

types of leaf spots - peanut - Answer- cercospora (fungus); most common and serious
diseases of peanut

types of blight - peanuts - Answer- -Southern
-Sclerotinia

types of virus- peanut - Answer- -peanut stunt virus
- stunting (vectored by thrips)

, insects affecting peanut - US - Answer- - corn stalk borer
-corn earworm
-cutworm
-southern corn rootworm
- wireworm
-leaf hoper
-three-cornered alfalfa hopper
-thrips
-spidermites

Common TX peanut insects - Answer- -white grubs (june beetle)
-thrips
-whitefly
-lesser corn stalk borer
-foliage feeders
-burrowing bugs

Zea mays L. - Answer- corn

T/F: corn is the most productive cereal worldwide - Answer- true; 1 in production and
area in US

2019 corn acreage/yield - Answer- 82,017,000 ac; 13,8000,000,000 bu

T/F: corn yields have consistently improved over the past 40 years - Answer- true

top corn producing states - Answer- 1. iowa
2. illinois
3. nebraska
4. minnesota
5. indiana
14. tx

average yield per acre in tx panhandle versus stx and ctx - Answer- panhandle: 150
bu/ac
s/c: 75 bu/ac

which FEED grains industries can corn be used for - Answer- beef, pork, poultry

examples of FOOD grain made from corn - Answer- masa (tortillas/chips), flour
(baking), grits (cereals/brewing); high fructose corn syrup; corn oil

examples of industrial uses of corn - Answer- ethanol; starches

examples of forage uses of corn - Answer- silage;

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