Effects of Age and Position on Mineral Composition of Mango Leaves1

Koo, R. C. J.; Young, T. W.

doi:10.21273/jashs.97.6.792

Cited by 4 publications

(1 citation statement)

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“…The sampling methods used for the latter purpose usually are devised on the basis of convenience. An example is sampling leaves or fruit around the periphery of the tree at a specified height from the ground (4,7,12). The use and effectiveness of branch samples in pomological research have been pointed out by Forshey and Elfving (5).…”

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Branch Sampling for Estimating the Number of Fruit on a Tree

Kumar

Srivenkataramana

Sundararaj

1985

J. Amer. Soc. Hort. Sci.

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Probability sampling schemes for selecting limbs of a tree form a basic tool for estimating characteristics of a tree or an orchard. Experimental investigations in fruit crops which have estimation of tree and/or orchard parameters as the objective often employ judgement sampling in selecting trees or their parts. Two varying probability sampling schemes for selecting branches from terminal fruit-bearing trees are proposed. The first has a new size measure—the number of feeder branches, and the other is a variation of Jessen's scheme. The schemes are compared for estimating fruit number by taking single-branch samples from an orange tree. They also are compared for applicability and adaptability to varied investigations with fruit trees.

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confidence: 99%