Pechay

Topics: Brassica, Chinese cabbage, Brassica rapa Pages: 9 (1852 words) Published: January 3, 2012
Republic of the Philippines

Department of Education

Region IV-A CALABARZON

Division of Rizal

SAN JOSE NATIONAL HIGH SCHOOL

San Jose Rodriguez, Rizal

Effects of Different Colors of Cellophane in Pechay Plant

(Brassica Rapa Linn.)

Researchers:

Ma. Rufina Angeles B. Igat

Deciel Ann Lois H. Jacobe

Christine Anne V. Mones

Crystal Judy C. Sabado

Alexander L. Divino Jr.

Christopher A. Agno

Jennilyn G. Dacut

Mark C. Hidalgo

Patrick Revilla

Research Adviser:

Mr. Jayson A. Peñafiel

In Partial Fulfillment of the Requirements in Science and Technology IV (Physics)

October 3, 2011

Effects of Different Colors of Cellophane in Pechay Plant(Brassica Rapa Linn.)

Researchers:

Ma. Rufina Angeles B. Igat

Deciel Ann Lois H. Jacobe

Christine Anne V. Mones

Crystal Judy C. Sabado

Alexander L. Divino Jr.

Christopher A. Agno

Jennilyn G. Dacut

Mark C. Hidalgo

Patrick Revilla

Research Adviser:

Mr. Jayson A. Peñafiel

In Partial Fulfillment of the Requirements in Science and Technology IV (Physics)

October 3, 2011

Chapter 1

Problem and Its Background

A. Introduction

For almost three decades, farmers in the Philippines have been using chemical fertilizers, pesticides and growth regulators in their crop production strategies. Despite the high cost of these inputs, and the farmers’ awareness that they can adversely affect soil fertility, food quality, human and animal health, and environmental quality; they are used extensively because there are few alternatives that would be considered practical and feasible. One reason for this is that university-based research has strongly promoted the use of agricultural chemicals as the best means of achieving the highest possible crop yields. The predominant question then is how can the farmers shift from a chemical-intensive agriculture to one that is based on the utilization of natural systems, and still maintain their economic Viability. It is encouraging that there are some efforts now underway by university researchers, the Philippine government, and the private sector to develop nature farming as an alternative to chemical-based agriculture.The government.

The critical role of the agriculture sector in a country’s overall economic development as stylized in economic development literature is well known. It releases surplus labor to the industry and services sectors. With 70 percent of the country’s poor coming from the rural areas where agriculture is the dominant source of livelihood and employment, the importance of agriculture to the Philippine economy cannot be overemphasized. B. Background of the Study

Plants are affected by different substances that come into contact with them.   These effects may be good or bad.   There are certain substances such as fertilizers, which have a positive effect on the growth of certain plants, more specifically pechay (Brassica rapa variety chinensis).

Pechay is commonly used in cooking in Filipino households. It requires little attention as it is a very hardy plant.   It is rich in vitamins A, C, K, and fiber as well, which are all good for our bodies.   They grow best in cold seasons.

The researchers selected this study to know the effects of different colors of cellophane in pechay.   The researchers wanted to find out if these materials would benefit or cause damage to the pechay plant.   

C. Statement of the Problem

The study aims to know the effects of different colors of cellophane in pechay plant especially intent to answer the following questions.

1. What color of cellophane has the greatest effect on pechay plant in terms of its color of leaves?

2. What color of cellophane has the greatest effect on pechay plant in terms of its height?

3. How tall is pechay plant with the following colors of cellophane: green, red, yellow and clear cellophanes? Compare it to the height of pechay...
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