HORTICULTURE

HORTICULTURE SCIENCE

FLORICULTURE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Applying too much nitrogen to plants can cause adverse effects on plant growth. Of the following 4 items which is not a plant’s response to excessive nitrogen:
A
weaken the stem because of the long and soft growth
B
lower the plant’s resistance to disease
C
yellow or light green leaves on the plant
D
lower the quality of the fruit of the plant causing them to be soft to ship
Explanation: 

Detailed explanation-1: -Sulphur. Sulphur is a component in the formation of chlorophyll. Deficiencies result in yellow leaves and stunted growth.

Detailed explanation-2: -Nitrogen frequently increases root growth and foraging capacity for phosphorus. Some of the effects of nitrogen are related to the effect on increasing the growth of plant tops and concurrently increasing the absorption of phosphorus.

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