25. Which of the following would be not true for the Cormell peat-lite mix? a. I

Question

25. Which of the following would be not true for the Cormell peat-lite mix? a. It contains peat and perlite b. It is good for growing nursery crops for an extended period of time c. It is standardized and good for growing indoor plants d Tall plants grown in Cormell peat-lite mix may turn over easily when moisture is lacking 26. After steam sterilization, soil medium may a. have a higher water-holding capacity b. develop a problem of ammonium toxicity when it contains a high level of organic matter. c still have a problem of weeds d. take two weeks of aeration before use. 27. The optimum range of soil pH for most greenhouse crops is: a. pH 4.5-5.5 b. pH 5.5-6.5. e. pH 6.5-7.5 d. pH 7.5-8.5. -10% and A20-10-20 commercial analysis fertilizer contains 20%- 20% 28 . 96 P, and %K A 10-10-10 elemental analysis fertilizer contains on a weight basis. (Note-ersion 29. nn nno, .43. KKO-es) 30. The ionic form of phosphorus absorbed by plants at pH 6.5 is likely to be: a. POs b. IIPO c. H2PO4. d. none of the above 1 Which of the following is a core component of chlorophyll molecule? a. Sulfur (S) b. Calcium (Ca) e. Phosphorus (P d. Magnesium (Mg) 2. Which of the following macronutrients is a component of protein? a. Magnesium (Mg) b. Sulfur (S) c. Potassium (K) d. Calcium (Ca) 33. Plants absorb potassium (K) as an anionic form a. True b. False

Explanation / Answer

Q25)answer- option b- It is good for growing nursery crops for an extended period of time.

explanation: this is not true for cornell peat lite mix, because it is efficient for its water holding capacity and not for extending time.

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