Abstract
Two field experiments were carried out at the Experimental Farm of Gemmeiza Agriculture Research Station, Agricultural Research Center (ARC), Egypt after 2018 and 2019 summer growing seasons to determine the effect of intercropping pattern of yellow maize hybrid (single cross 168: “SC 168”) with watermelon pulp at three plant distributions (20 cm between hills and one plant/hill, 40 cm between hills and two plants/hill and 60 cm between hills and three plants/hill) and different levels of nitrogen fertilizer (25, 50, 75 and 100% of the recommended dose “120 kg N fad-1”) as well as their interactions on maize and watermelon pulp growth, yield and its attributes as well as competitive relationships and yield advantages. The experiments were carried out in split-plot design with four replicates. The main-plots were assigned to plant distributions of maize, the sub-plots were allocated to levels of nitrogen fertilizer for maize. The obtained results showed that planting maize plants on one side of terraces of 140 cm width with 20 cm between hills and leaving one plant/hill and planting watermelon pulp on the other side of the terraces produced the highest values of plant height, ear height, number of kernels row-1, 100-kernel weight and grain yield fad-1, at the same time the lowest values of ear leaf area, ear length, ear diameter and number of rows ear-1 of maize as well as the lowest values of growth, yield and its attributes of watermelon pulp during the both seasons. Mineral fertilizing maize plants with 75% of the recommended dose (90 kg N/fad) and watermelon pulp with the recommended dose produced the highest values of all studied growth characters, yield and its attributes of maize and watermelon pulp in both seasons. The highest values of land equivalent ratio (LER), relative crowding coefficient (RCC), area time equivalent ratio (ATER), land equivalent coefficient (LEC), aggressivity index (AI), monetary advantage index (MAI), actual yield (L.E.) of watermelon, Total income (L.E.) and economic return (L.E.) were obtained from planting maize plants on one side of terraces of 140 cm width with 60 cm between hills and leaving three plants/hill and planting watermelon pulp on the other side of the terraces besides fertilizing maize plants with 75% of the recommended dose (90 kg N/fad) and watermelon pulp with the recommended dose in both seasons. It can be recommended that planting maize on 60 cm between hills and leaving three plants/hill and planting watermelon pulp on the other side of the terraces besides fertilizing maize plants with 90 kg N/fad and watermelon pulp with the recommended dose to obtain the maximum values growth, yield and its attributes of watermelon pulp and competitive relationships and yield advantages of both crops under the climates conditions of Middle Delta, Egypt.
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Claims 11
Claim · model-written summary
Planting maize on one side of terraces with 20 cm between hills and one plant per hill produced the highest plant height, ear height and number of kernels per row.
- Treatment
- planting maize plants on one side of terraces of 140 cm width with 20 cm between hills and leaving one plant/hille1
- Outcome
- plant height, ear height, number of kernels row-1e1
- Direction
- higheste1
- Setting
- Experimental Farm of Gemmeiza Agriculture Research Statione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Two field experiments were carried out at the Experimental Farm of Gemmeiza Agriculture Research Station, Agricultural Research Center (ARC), Egypt”
e1“planting maize plants on one side of terraces of 140 cm width with 20 cm between hills and leaving one plant/hill and planting watermelon pulp on the other side of the terraces produced the highest values of plant height, ear height, number of kernels row-1, 100-kernel weight and grain yield fad-1”
Claim · model-written summary
Planting maize on one side of terraces with 20 cm between hills and one plant per hill produced the highest 100-kernel weight and grain yield per fad.
- Treatment
- planting maize plants on one side of terraces of 140 cm width with 20 cm between hills and leaving one plant/hille1
- Outcome
- 100-kernel weight and grain yield fad-1e1
- Direction
- higheste1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e1“planting maize plants on one side of terraces of 140 cm width with 20 cm between hills and leaving one plant/hill and planting watermelon pulp on the other side of the terraces produced the highest values of plant height, ear height, number of kernels row-1, 100-kernel weight and grain yield fad-1”
Claim · model-written summary
Planting maize with 20 cm between hills and one plant per hill gave the lowest ear leaf area, ear length and ear diameter.
- Treatment
- planting maize plants on one side of terraces of 140 cm width with 20 cm between hills and leaving one plant/hille1
- Outcome
- ear leaf area, ear length, ear diametere2
- Direction
- loweste2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e1“planting maize plants on one side of terraces of 140 cm width with 20 cm between hills and leaving one plant/hill and planting watermelon pulp on the other side of the terraces produced the highest values”
e2“the lowest values of ear leaf area, ear length, ear diameter and number of rows ear-1 of maize as well as the lowest values of growth, yield and its attributes of watermelon pulp during the both seasons”
Claim · model-written summary
Planting maize with 20 cm between hills and one plant per hill gave the lowest number of rows per ear.
- Treatment
- planting maize plants on one side of terraces of 140 cm width with 20 cm between hills and leaving one plant/hille1
- Outcome
- number of rows ear-1e2
- Direction
- loweste2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e1“planting maize plants on one side of terraces of 140 cm width with 20 cm between hills and leaving one plant/hill and planting watermelon pulp on the other side of the terraces produced the highest values”
e2“the lowest values of ear leaf area, ear length, ear diameter and number of rows ear-1 of maize as well as the lowest values of growth, yield and its attributes of watermelon pulp during the both seasons”
Claim · model-written summary
Planting maize with 20 cm between hills and one plant per hill gave the lowest growth, yield and yield attributes of watermelon pulp.
- Taxon
- watermelon pulpe2
- Treatment
- planting maize plants on one side of terraces of 140 cm width with 20 cm between hills and leaving one plant/hille1
- Outcome
- growth, yield and its attributese2
- Direction
- loweste2
Not reportedComparator
Verbatim
e1“planting maize plants on one side of terraces of 140 cm width with 20 cm between hills and leaving one plant/hill and planting watermelon pulp on the other side of the terraces produced the highest values”
e2“the lowest values of ear leaf area, ear length, ear diameter and number of rows ear-1 of maize as well as the lowest values of growth, yield and its attributes of watermelon pulp during the both seasons”
Claim · model-written summary
Fertilizing maize with 75% of the recommended nitrogen dose produced the highest values of all studied growth characters and yield attributes of maize.
- Treatment
- fertilizing maize plants with 75% of the recommended dose (90 kg N/fad)e3
- Outcome
- all studied growth characters, yield and its attributese3
- Direction
- higheste3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e3“Mineral fertilizing maize plants with 75% of the recommended dose (90 kg N/fad) and watermelon pulp with the recommended dose produced the highest values of all studied growth characters, yield and its attributes of maize and watermelon pulp in both seasons”
Claim · model-written summary
Watermelon pulp fertilized with the recommended dose produced the highest values of all studied growth characters and yield attributes.
- Taxon
- watermelon pulpe3
- Treatment
- watermelon pulp with the recommended dosee3
- Outcome
- all studied growth characters, yield and its attributese3
- Direction
- higheste3
Not reportedComparator
Verbatim
e3“Mineral fertilizing maize plants with 75% of the recommended dose (90 kg N/fad) and watermelon pulp with the recommended dose produced the highest values of all studied growth characters, yield and its attributes of maize and watermelon pulp in both seasons”
Claim · model-written summary
Planting maize with 60 cm between hills and three plants per hill gave the highest land equivalent ratio, relative crowding coefficient and area time equivalent ratio.
- Treatment
- planting maize plants on one side of terraces of 140 cm width with 60 cm between hills and leaving three plants/hille5
- Outcome
- land equivalent ratio (LER), relative crowding coefficient (RCC), area time equivalent ratio (ATER)e4
- Direction
- higheste4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e4“The highest values of land equivalent ratio (LER), relative crowding coefficient (RCC), area time equivalent ratio (ATER)”
e5“planting maize plants on one side of terraces of 140 cm width with 60 cm between hills and leaving three plants/hill”
Claim · model-written summary
Planting maize with 60 cm between hills and three plants per hill gave the highest land equivalent coefficient, aggressivity index and monetary advantage index.
- Treatment
- planting maize plants on one side of terraces of 140 cm width with 60 cm between hills and leaving three plants/hille5
- Outcome
- land equivalent coefficient (LEC), aggressivity index (AI), monetary advantage index (MAI)e6
- Direction
- higheste4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e4“The highest values of land equivalent ratio (LER), relative crowding coefficient (RCC), area time equivalent ratio (ATER)”
e5“planting maize plants on one side of terraces of 140 cm width with 60 cm between hills and leaving three plants/hill”
e6“land equivalent coefficient (LEC), aggressivity index (AI), monetary advantage index (MAI)”
Claim · model-written summary
Planting maize with 60 cm between hills and three plants per hill gave the highest actual watermelon yield, total income and economic return.
- Taxon
- watermelon
Citrullus lanatuse7 - Treatment
- planting maize plants on one side of terraces of 140 cm width with 60 cm between hills and leaving three plants/hille5
- Outcome
- actual yield (L.E.) of watermelon, Total income (L.E.) and economic return (L.E.)e7
- Direction
- higheste4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e4“The highest values of land equivalent ratio (LER), relative crowding coefficient (RCC), area time equivalent ratio (ATER)”
e5“planting maize plants on one side of terraces of 140 cm width with 60 cm between hills and leaving three plants/hill”
e7“actual yield (L.E.) of watermelon, Total income (L.E.) and economic return (L.E.)”
Claim · model-written summary
Planting maize with 60 cm between hills and three plants per hill, with 90 kg N per fad and recommended watermelon fertilization, is recommended for the Middle Delta.
- Outcome
- planting maize on 60 cm between hills and leaving three plants/hille1
- Setting
- Middle Delta, Egypte2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e1“It can be recommended that planting maize on 60 cm between hills and leaving three plants/hill”
e2“under the climates conditions of Middle Delta, Egypt”
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