Soil fertility assessment of organic amendments (crop residues) in lowland area of barangay Villa Cuizon [manuscript]
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Date
2020
Authors
Mark Angelo R. Mandac
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Abstract
The experiment was conducted in the field of Brgy. Villa Cuizon, Science City of Munoz, Nueva Ecija in which soil was incorporated with organic and was evaluated with the following objectives, (1) To quantify soil nutrient (N,P,K) & OM status in rice based farm (2) to determine the effect of different organic amendments in the growth and development of Pechay. The organic materials were incorporated through green manuring and crop residues with the following treatments; (T1) Control, (T2) Soil+Rice straw, (T3) Soil + Mango Leaf litter, (T4) Soil + Soybean and (T5) Soil + Mungbean. The initial soil fertility status in the experimental area is low with %OM of 1.90%, %nitrogen of 0.095% available phosphorus of 4.33 ppm and also exchangeable potassium of 99.3ppm. After 8 weeks of incorporation of different organic soil amendments no significant increase was observed in all the soil parameters measured during the sudy.
The average height of pechay planted in soil with soybean as green manure resulted to the tallest height with an average of 16.05cm, although not significantly different from othe treatments. Moreover, highest yield was obtained when soil was added with soybean with an average of 146.66g. Pechay grown with this treatment has better yield than the other treatments, mainly because of pechay has better growth and development in soil incorporated with green manure. Green manure treated with mungbean and soil incorporated with crop residues treatment (Rice straw), while crop residue treatment (Mango Leaf Litter) resulted second to the lowest.