P. P. David

Works (2)

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1994 journal article

A HUMIC-ACID IMPROVES GROWTH OF TOMATO SEEDLING IN SOLUTION CULTURE

JOURNAL OF PLANT NUTRITION, 17(1), 173–184.

By: P. David, P. Nelson n & D. Sanders n

Source: Web Of Science
Added: August 6, 2018

1991 journal article

Effects of applied humic acids on yield, growth, nutrient accumulation/content in selected vegetable crops and soil interactions that reduce their effectiveness

Dissertation Abstracts International. B, Sciences and Engineering, 52(3), 1136.

By: P. David

Source: NC State University Libraries
Added: August 6, 2018